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MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Order this document by BUL45D2/D

Designer's Data Sheet

High Speed, High Gain Bipolar NPN Power Transistor with Integrated Collector-Emitter Diode and Built-in Efficient Antisaturation Network

The BUL45D2 is state±of±art High Speed High gain BIPolar transistor (H2BIP). High dynamic characteristics and lot to lot minimum spread (±150 ns on storage time) make it ideally suitable for light ballast applications. Therefore, there is no need to guarantee an hFE window.

Main features:

Low Base Drive Requirement

High Peak DC Current Gain (55 Typical) @ IC = 100 mA

Extremely Low Storage Time Min/Max Guarantees Due to the H2BIP Structure which Minimizes the Spread

Integrated Collector±Emitter Free Wheeling Diode

Fully Characterized and Guaranteed Dynamic VCE(sat)

ª6 Sigmaº Process Providing Tight and Reproductible Parameter Spreads

It's characteristics make it also suitable for PFC application.

MAXIMUM RATINGS

BUL45D2

POWER TRANSISTORS

5 AMPERES

700 VOLTS

75 WATTS

CASE 221A±06

TO±220AB

Rating

Symbol

Value

Unit

 

 

 

 

Collector±Emitter Sustaining Voltage

VCEO

400

Vdc

Collector±Base Breakdown Voltage

VCBO

700

Vdc

Collector±Emitter Breakdown Voltage

VCES

700

Vdc

Emitter±Base Voltage

VEBO

12

Vdc

Collector Current Ð Continuous

IC

5

Adc

Ð Peak (1)

ICM

10

 

Base Current Ð Continuous

IB

2

Adc

Base Current Ð Peak (1)

IBM

4

 

*Total Device Dissipation @ TC = 25_C

PD

75

Watt

*Derate above 25°C

 

0.6

W/_C

 

 

 

 

Operating and Storage Temperature

TJ, Tstg

± 65 to 150

_C

THERMAL CHARACTERISTICS

Thermal Resistance

 

 

_C/W

Ð Junction to Case

RqJC

1.65

 

Ð Junction to Ambient

RqJA

62.5

 

Maximum Lead Temperature for Soldering Purposes:

TL

260

_C

1/8″ from case for 5 seconds

 

 

 

 

 

 

 

(1) Pulse Test: Pulse Width = 5 ms, Duty Cycle ≤ 10%.

 

 

 

Designer's and SWITCHMODE are trademarks of Motorola, Inc.

Designer's Data for ªWorst Caseº Conditions Ð The Designer 's Data Sheet permits the design of most circuits entirely from the information presented. SOA Limit curves Ð representing boundaries on device characteristics Ð are given to facilitate ªworst caseº design.

Motorola, Inc. 1995

BUL45D2

ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted)

Characteristic

 

Symbol

Min

Typ

Max

Unit

 

 

 

 

 

 

 

OFF CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

Collector±Emitter Sustaining Voltage

 

VCEO(sus)

400

450

 

Vdc

(IC = 100 mA, L = 25 mH)

 

 

 

 

 

 

Collector±Base Breakdown Voltage

 

VCBO

700

910

 

Vdc

(ICBO = 1 mA)

 

 

 

 

 

 

Emitter±Base Breakdown Voltage

 

VEBO

12

14.1

 

Vdc

(IEBO = 1 mA)

 

 

 

 

 

 

Collector Cutoff Current

 

ICEO

 

 

100

μAdc

(VCE = Rated VCEO, IB = 0)

 

 

 

 

 

 

Collector Cutoff Current (VCE = Rated VCES, VEB = 0)

@ TC = 25°C

ICES

 

 

100

μAdc

 

@ TC = 125°C

 

 

 

500

 

Collector Cutoff Current (VCE = 500 V, VEB = 0)

@ TC = 125°C

 

 

 

100

 

Emitter±Cutoff Current

 

IEBO

 

 

100

μAdc

(VEB = 10 Vdc, IC = 0)

 

 

 

 

 

 

ON CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

Base±Emitter Saturation Voltage

@ TC = 25°C

VBE(sat)

 

 

 

Vdc

(IC = 0.8 Adc, IB = 80 mAdc)

 

 

0.8

1

 

 

@ TC = 125°C

 

 

0.7

0.9

 

(IC = 2 Adc, IB = 0.4 Adc)

@ TC = 25°C

 

 

0.89

1

 

 

@ TC = 125°C

 

 

0.79

0.9

 

Collector±Emitter Saturation Voltage

@ TC = 25°C

VCE(sat)

 

 

 

Vdc

(IC = 0.8 Adc, IB = 80 mAdc)

 

 

0.28

0.4

 

 

@ TC = 125°C

 

 

0.32

0.5

 

(IC = 2 Adc, IB = 0.4 Adc)

@ TC = 25°C

 

 

0.32

0.5

 

 

@ TC = 125°C

 

 

0.38

0.6

 

(IC = 0.8 Adc, IB = 40 mAdc)

@ TC = 25°C

 

 

0.46

0.75

 

 

@ TC = 125°C

 

 

0.62

1

 

DC Current Gain

@ TC = 25°C

hFE

 

 

 

Ð

(IC = 0.8 Adc, VCE = 1 Vdc)

 

22

34

 

 

 

@ TC = 125°C

 

20

29

 

 

(IC = 2 Adc, VCE = 1 Vdc)

@ TC = 25°C

 

10

14

 

 

 

@ TC = 125°C

 

7

9.5

 

 

DIODE CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

Forward Diode Voltage

@ TC = 25°C

VEC

 

 

 

V

(IEC = 1 Adc)

 

 

1.04

1.5

 

 

@ TC = 125°C

 

 

0.7

 

 

(IEC = 2 Adc)

@ TC = 25°C

 

 

1.2

1.6

 

 

@ TC = 125°C

 

 

 

 

 

(IEC = 0.4 Adc)

@ TC = 25°C

 

 

0.85

1.2

 

 

@ TC = 125°C

 

 

0.62

 

 

Forward Recovery Time (see Figure 27)

 

Tfr

 

330

 

ns

(IF = 1 Adc, di/dt = 10 A/μs)

@ TC = 25°C

 

 

 

 

 

(IF = 2 Adc, di/dt = 10 A/μs)

@ TC = 25°C

 

 

360

 

 

(IF = 0.4 Adc, di/dt = 10 A/μs)

@ TC = 25°C

 

 

320

 

 

2

Motorola Bipolar Power Transistor Device Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BUL45D2

ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Characteristic

 

 

Symbol

Min

Typ

Max

 

Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DYNAMIC CHARACTERISTICS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Current Gain Bandwidth

 

 

 

 

 

 

 

 

fT

 

13

 

 

MHz

(IC = 0.5 Adc, VCE = 10 Vdc, f = 1 MHz)

 

 

 

 

 

 

 

 

 

 

Output Capacitance

 

 

 

 

 

 

 

 

Cob

 

50

75

 

pF

(VCB = 10 Vdc, IE = 0, f = 1 MHz)

 

 

 

 

 

 

 

 

 

 

Input Capacitance

 

 

 

 

 

 

 

 

Cib

 

340

500

 

pF

(VEB = 8 Vdc)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DYNAMIC SATURATION VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

= 1 A

 

@ 1 μs

@ TC = 25°C

 

VCE(dsat)

 

3.7

 

 

V

 

 

 

C

 

 

°

 

 

 

9.4

 

 

 

 

 

 

 

 

 

 

@ TC = 125 C

 

 

 

 

 

 

Dynamic Saturation

 

IB1 = 100 mA

 

 

 

 

 

 

 

 

 

 

 

 

@ 3 μs

@ TC = 25°C

 

 

 

0.35

 

 

V

Voltage:

 

VCC = 300 V

 

 

 

 

 

 

μ

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

2.7

 

 

 

Determined 1 s and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 μs respectively after

 

 

 

 

 

 

@ 1 μs

@ TC = 25°C

 

 

 

3.9

 

 

V

rising IB1 reaches

 

 

I

 

= 2 A

 

 

 

 

 

 

 

 

C

 

 

°

 

 

 

12

 

 

 

90% of final IB1

 

I

 

= 0.8 A

 

 

@ TC = 125 C

 

 

 

 

 

 

 

B1

 

 

 

 

 

 

 

 

 

 

 

 

@ 3 μs

@ TC = 25°C

 

 

 

0.4

 

 

V

 

 

VCC = 300 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

1.5

 

 

 

SWITCHING CHARACTERISTICS: Resistive Load (D.C. 10%, Pulse Width = 20 μs)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turn±on Time

I

 

= 2 Adc, I

= 0.4 Adc

@ TC = 25°C

 

ton

 

90

150

 

ns

 

C

°

 

 

 

105

 

 

 

 

 

 

 

B1

 

 

@ TC = 125 C

 

 

 

 

 

 

 

 

 

 

 

IB2 = 1 Adc

 

 

 

 

 

 

 

 

Turn±off Time

 

 

 

 

@ TC = 25°C

 

toff

 

1.15

1.3

 

μs

 

 

 

V = 300 Vdc

 

 

 

 

 

 

 

 

CC

 

 

@ TC = 125°C

 

 

 

1.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Turn±on Time

I

 

= 2 Adc, I

= 0.4 Adc

@ TC = 25°C

 

ton

 

90

150

 

ns

 

C

°

 

 

 

110

 

 

 

 

 

 

 

B1

 

 

@ TC = 125 C

 

 

 

 

 

 

 

 

 

 

 

IB2 = 0.4 Adc

 

 

 

 

 

 

 

 

Turn±off Time

 

 

 

 

@ TC = 25°C

 

toff

2.1

 

2.4

 

μs

 

 

 

VCC = 300 Vdc

 

 

 

 

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

3.1

 

 

 

SWITCHING CHARACTERISTICS: Inductive Load (Vclamp = 300 V, VCC = 15 V, L = 200 μH)

 

 

 

 

Fall Time

 

 

 

 

 

 

 

@ TC = 25°C

 

tf

 

90

150

 

ns

 

 

 

 

 

IC = 1 Adc

@ TC = 125°C

 

 

 

93

 

 

 

Storage Time

 

 

 

 

@ TC = 25°C

 

ts

 

0.72

0.9

 

μs

 

 

 

IB1 = 100 mAdc

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

1.05

 

 

 

 

 

 

 

IB2 = 500 mAdc

 

 

 

 

 

 

Crossover Time

 

 

 

 

 

 

 

@ TC = 25°C

 

tc

 

95

150

 

ns

 

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

95

 

 

 

Fall Time

 

 

 

 

 

 

 

@ TC = 25°C

 

tf

 

80

150

 

ns

 

 

 

 

 

IC = 2 Adc

@ TC = 125°C

 

 

 

105

 

 

 

Storage Time

 

 

 

 

@ TC = 25°C

 

ts

1.95

 

2.25

 

μs

 

 

 

 

IB1 = 0.4 Adc

 

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

2.9

 

 

 

 

 

 

 

 

IB2 = 0.4 Adc

 

 

 

 

 

 

Crossover Time

 

 

 

 

 

 

 

@ TC = 25°C

 

tc

 

225

300

 

ns

 

 

 

 

 

 

 

 

@ TC = 125°C

 

 

 

450

 

 

 

Motorola Bipolar Power Transistor Device Data

3

BUL45D2

TYPICAL STATIC CHARACTERISTICS

 

100

 

 

 

 

 

VCE = 1 V

 

 

 

 

GAIN

80

 

TJ = 125°C

 

 

 

 

TJ = 25°C

 

 

CURRENT

60

 

 

 

 

 

 

 

40

 

TJ = ± 20°C

 

 

, DC

 

 

 

 

 

 

 

 

FE

 

 

 

 

 

h

20

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0.001

0.01

0.1

1

10

IC, COLLECTOR CURRENT (AMPS)

Figure 1. DC Current Gain @ 1 Volt

 

4

 

 

 

 

 

 

 

 

 

TJ = 25°C

(VOLTS)

3

 

 

 

 

 

 

 

 

 

VOLTAGE,

2

 

 

 

 

 

 

 

 

 

CE

 

 

 

 

5 A

 

 

 

 

 

V

1

 

2 A

3 A

 

 

 

 

 

 

 

4 A

 

 

 

 

1 A

 

 

 

 

IC = 500 mA

 

 

 

 

0

 

 

1

 

 

0.001

0.01

0.1

10

IB, BASE CURRENT (AMPS)

Figure 3. Collector Saturation Region

 

10

 

 

 

 

 

 

IC/IB = 10

 

 

 

(VOLTS)

 

 

 

 

 

, VOLTAGE

1

 

 

 

 

 

 

 

 

 

CE

 

TJ = ± 20°C

 

 

 

V

 

 

TJ = 125°C

 

 

 

 

 

 

 

 

 

 

 

TJ = 25°C

 

 

0.1

 

 

1

 

 

0.001

0.01

0.1

10

 

 

IC, COLLECTOR CURRENT (AMPS)

 

Figure 5. Collector±Emitter Saturation Voltage

 

100

 

 

 

 

 

 

VCE = 5 V

TJ = 125°C

 

 

GAIN

80

 

 

 

 

 

TJ = 25°C

 

 

CURRENT

60

 

 

 

 

 

 

 

40

 

TJ = ± 20°C

 

 

, DC

 

 

 

 

 

 

 

 

FE

 

 

 

 

 

h

20

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0.001

0.01

0.1

1

10

 

 

IC, COLLECTOR CURRENT (AMPS)

 

Figure 2. DC Current Gain @ 5 Volt

 

10

 

 

 

 

 

 

IC/IB = 5

 

TJ = 25°C

 

 

 

 

 

 

(VOLTS)

 

 

 

 

 

, VOLTAGE

1

 

 

TJ = 125°C

 

 

 

 

 

 

 

 

 

 

CE

 

 

 

 

 

V

 

 

 

 

 

 

 

 

TJ = ± 20°C

 

 

 

0.1

 

 

 

 

 

0.001

0.01

0.1

1

10

 

 

IC, COLLECTOR CURRENT (AMPS)

 

Figure 4. Collector±Emitter Saturation Voltage

 

10

 

 

 

 

 

 

IC/IB = 20

 

 

 

(VOLTS)

 

 

 

 

 

,VOLTAGE

1

 

 

 

 

 

°

TJ = 125°C

 

 

CE

 

TJ = 25 C

 

 

 

 

TJ = ± 20°C

 

 

 

V

 

 

 

 

 

 

0.1

 

 

 

 

 

0.001

0.01

0.1

1

10

 

 

IC, COLLECTOR CURRENT (AMPS)

 

Figure 6. Collector±Emitter Saturation Voltage

4

Motorola Bipolar Power Transistor Device Data

BUL45D2

TYPICAL STATIC CHARACTERISTICS

 

10

 

 

 

 

 

IC/IB = 5

 

 

 

 

(VOLTS)

 

TJ

= 25°C

 

 

, VOLTAGE

 

 

 

1

 

TJ = ± 20°C

 

 

 

 

 

 

 

BE

 

 

TJ = 125°C

 

 

V

 

 

 

 

 

0.1

 

 

 

 

 

0.001

0.01

0.1

1

10

 

 

IC, COLLECTOR CURRENT (AMPS)

 

Figure 7. Base±Emitter Saturation Region

 

10

 

 

 

 

 

IC/IB = 20

 

 

 

 

(VOLTS)

 

 

 

 

 

, VOLTAGE

1

 

TJ = ± 20°C

 

 

 

 

 

TJ = 125°C

 

BE

 

 

 

 

V

 

TJ = 25°C

 

 

 

 

 

 

 

0.1

 

 

 

10

 

0.001

0.01

0.1

1

 

 

IC, COLLECTOR CURRENT (AMPS)

 

Figure 9. Base±Emitter Saturation Region

 

1000

 

 

 

 

C

ib

(pF)

TJ = 25°C

 

 

 

f(test) = 1 MHz

 

 

 

 

(pF)

100

 

 

 

CAPACITANCE

 

 

 

Cob (pF)

10

 

 

 

C,

 

 

 

 

 

 

 

 

1

 

 

 

 

1

 

10

100

VR, REVERSE VOLTAGE (VOLTS)

Figure 11. Capacitance

 

10

 

 

 

 

 

 

IC/IB = 10

 

 

 

(VOLTS)

 

 

 

 

 

, VOLTAGE

1

 

TJ = ± 20°C

 

 

 

 

TJ = 125°C

 

 

BE

 

 

 

 

V

 

 

TJ = 25°C

 

 

 

 

 

 

 

 

0.1

 

 

 

 

 

0.001

0.01

0.1

1

10

IC, COLLECTOR CURRENT (AMPS)

Figure 8. Base±Emitter Saturation Region

 

10

 

 

 

VOLTAGE (VOLTS)

1

 

25°C

 

FORWARD DIODE

 

 

 

 

 

 

 

125°C

 

 

 

 

 

 

0.1

 

1

 

 

0.01

0.1

10

 

 

REVERSE EMITTER±COLLECTOR CURRENT (AMPS)

 

Figure 10. Forward Diode Voltage

 

1000

 

 

 

900

BVCER @ 10 mA

TJ = 25°C

 

 

(VOLTS)

800

 

 

700

 

 

BVCER

 

 

600

 

 

 

 

 

 

 

BVCER(sus) @ 200 mA

 

 

500

 

 

 

400

 

 

 

10

100

1000

 

 

RBE (Ω)

 

Figure 12. BVCER = f(ICER)

Motorola Bipolar Power Transistor Device Data

5

BUL45D2

TYPICAL SWITCHING CHARACTERISTICS

 

1000

 

 

 

 

 

 

 

5

 

 

IBon = IBoff

 

 

TJ = 125°C

 

 

 

 

 

800

VCC = 300 V

 

 

TJ = 25°C

 

 

 

4

 

PW = 20 μs

 

 

 

 

 

 

(ns)

600

 

 

 

 

 

 

( μs)

3

 

 

 

 

 

 

 

 

TIME

400

 

 

IC/IB = 10

 

 

 

TIME

2

t,

 

 

 

 

 

 

t,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC/IB = 5

 

 

 

200

 

 

 

 

 

 

 

1

 

0

1

1.5

2

2.5

3

3.5

4

0

 

0.5

 

 

 

 

 

 

 

IBon = IBoff

 

 

 

I /I

= 10

 

 

VCC = 300 V

 

 

 

C B

 

 

 

PW = 20 μs

 

 

 

 

 

 

 

 

 

 

TJ = 125°C

 

IC/IB = 5

 

 

 

 

 

 

 

 

 

 

 

 

TJ = 25°C

 

 

 

 

 

0.5

1

1.5

2

2.5

3

3.5

4

IC, COLLECTOR CURRENT (AMPS)

IC, COLLECTOR CURRENT (AMPS)

Figure 13. Resistive Switch Time, ton

Figure 14. Resistive Switch Time, toff

 

4

 

 

 

 

 

 

IC/IB = 5

 

IBon = IBoff

 

 

 

VCC = 15 V

 

 

 

 

 

3

 

 

VZ = 300 V

 

 

 

LC = 200

μH

 

 

 

 

μs)

 

 

 

 

 

(

 

 

 

 

 

t, TIME

2

 

 

 

 

 

 

 

 

 

 

1

TJ = 125°C

 

 

 

 

 

 

 

 

 

 

TJ = 25°C

 

 

 

 

0

 

 

 

 

 

0

1

2

3

4

IC, COLLECTOR CURRENT (AMPS)

 

5

 

 

 

 

 

 

 

 

IBon = IBoff

 

 

4

 

 

VCC = 15 V

 

 

 

 

VZ = 300 V

 

 

 

 

 

 

 

 

 

 

LC = 200 μH

 

μs)

3

 

 

 

 

 

 

 

 

 

t, TIME (

2

 

 

 

 

 

1

TJ = 125°C

 

 

 

 

 

TJ = 25°C

 

 

 

 

0

 

 

 

 

 

0

1

2

3

4

IC, COLLECTOR CURRENT (AMPS)

Figure 15. Inductive Storage Time,

 

 

 

tsi @ IC/IB = 5

 

 

 

600

 

 

 

 

 

 

IBon = IBoff

TJ = 125°C

 

 

 

500

VCC = 15 V

TJ = 25°C

 

 

 

 

VZ = 300 V

 

 

 

 

400

LC = 200 μH

 

 

tc

 

 

 

 

 

(ns)

 

 

 

 

 

t, TIME

300

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

100

 

 

 

 

 

0

 

 

 

tfi

 

0

1

2

3

4

IC, COLLECTOR CURRENT (AMPS)

Figure 17. Inductive Switching,

tc & tfi @ IC/IB = 5

Figure 16. Inductive Storage Time,

 

 

tsi @ IC/IB = 10

 

 

 

400

 

 

 

 

 

 

IBoff = IBon

 

 

 

 

 

VCC = 15 V

 

 

 

 

300

VZ = 300 V

 

 

 

 

 

LC = 200 μH

 

 

 

(ns)

 

 

 

 

 

t, TIME

200

 

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

TJ = 125°C

 

 

 

 

 

TJ = 25°C

 

 

 

 

0

 

 

 

 

 

0

1

2

3

4

IC, COLLECTOR CURRENT (AMPS)

Figure 18. Inductive Switching,

tfi @ IC/IB = 10

6

Motorola Bipolar Power Transistor Device Data

BUL45D2

TYPICAL SWITCHING CHARACTERISTICS

1500

 

 

 

 

 

IBoff = IBon

TJ = 125°C

 

 

 

VCC = 15 V

TJ = 25°C

 

 

 

VZ = 300 V

 

 

 

1000

LC = 200 μH

 

 

 

t, TIME (ns)

 

 

 

 

500

 

 

 

 

0

 

 

 

 

0

1

2

3

4

IC, COLLECTOR CURRENT (AMPS)

Figure 19. Inductive Switching,

 

 

 

 

 

tc @ IC/IB = 10

 

 

 

 

450

 

 

 

 

 

 

 

 

 

 

 

IBoff = IBon

 

 

TJ = 125°C

 

 

 

 

 

 

VCC = 15 V

 

 

TJ = 25°C

 

 

 

 

 

350

VZ = 300 V

 

 

 

 

 

IC = 1 A

 

TIME (ns)

LC = 200

μH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

250

 

 

 

 

 

 

 

 

 

, FALL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

fi

 

 

 

 

 

 

 

 

 

 

t

 

 

 

 

 

 

 

 

 

 

 

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC = 2 A

 

 

50

4

6

 

10

12

 

 

 

 

 

2

8

14

16

18

20

hFE, FORCED GAIN

Figure 21. Inductive Fall Time

3000

 

 

 

 

 

 

 

 

 

 

 

IB1 = IB2

 

IBon = IBoff

 

 

 

 

 

 

 

VCC = 15 V

 

 

 

 

 

 

 

VZ = 300 V

 

2000

 

 

 

 

 

LC = 200 μH

 

 

 

 

 

 

 

 

(ns)

 

 

 

 

 

 

 

t, TIME

IB = 50 mA

 

 

 

 

 

 

IB = 100 mA

 

 

 

 

 

1000

 

 

 

 

 

 

 

 

 

 

 

 

 

IB = 200 mA

 

 

 

 

 

 

 

IB = 500 mA

 

 

 

 

 

0

 

 

IB = 1 A

 

 

 

 

 

 

 

 

3.5

4

0.5

1

1.5

2

2.5

3

IC, COLLECTOR CURRENT (AMPS)

Figure 23. Inductive Storage Time, tsi

 

5

 

 

 

 

 

 

TJ = 125°C

 

IBon = IBoff

 

 

 

TJ = 25°C

 

VCC = 15 V

 

(μs)

 

 

IC = 1 A

VZ = 300 V

 

 

 

LC = 200 μH

 

4

 

 

 

, STORAGE TIME

 

 

 

 

3

 

 

 

 

si

 

 

 

 

 

t

 

IC = 2 A

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

0

5

10

15

20

 

 

hFE, FORCED GAIN

 

 

Figure 20. Inductive Storage Time

 

1400

 

 

 

 

 

 

 

 

 

 

1200

IBon = IBoff

 

 

TJ = 125°C

 

 

 

 

VCC = 15 V

 

 

TJ = 25°C

 

 

 

(ns)

 

 

 

 

 

 

1000

VZ = 300 V

 

 

 

 

 

 

 

TIME

LC = 200 μH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

800

 

 

 

 

 

 

 

IC = 2 A

 

, CROSSOVER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

600

 

 

 

 

 

 

 

 

 

400

 

 

 

 

 

 

 

 

 

c

 

 

 

 

 

 

 

 

 

 

t

 

 

 

 

 

 

 

 

 

 

 

200

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

IC = 1 A

 

 

2

4

6

8

10

12

14

16

18

20

hFE, FORCED GAIN

Figure 22. Inductive Crossover Time

 

360

 

 

 

 

(ns)

 

dI/dt = 10 A/μs

 

 

 

TIME

 

 

 

 

 

TC = 25°C

 

 

 

RECOVERY

340

 

 

 

 

 

 

 

 

 

, FORWARD

320

 

 

 

 

 

 

 

 

 

fr

 

 

 

 

 

t

 

 

 

 

 

 

300

 

 

 

 

 

0

0.5

1

1.5

2

 

 

IF, FORWARD CURRENT (AMP)

 

Figure 24. Forward Recovery Time tfr

Motorola Bipolar Power Transistor Device Data

7

BUL45D2

TYPICAL SWITCHING CHARACTERISTICS

VCE

 

dyn 1 μs

 

dyn 3 μs

0 V

 

90% IB

 

1 μs

 

IB

μs

3

 

TIME

Figure 25. Dynamic Saturation

Voltage Measurements

10

 

 

 

 

 

 

 

 

9

IC

 

 

 

 

90% IC

 

 

 

 

 

 

 

 

 

8

 

 

tsi

 

 

tfi

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

10% IC

 

5

Vclamp

 

10% Vclamp

 

 

 

 

 

 

 

tc

 

 

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

IB

90% IB1

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

0

1

2

3

4

5

6

7

8

 

 

 

 

TIME

 

 

 

 

Figure 26. Inductive Switching Measurements

 

 

VFRM

VFR (1.1 VF unless

 

 

 

 

otherwise specified)

 

VF

 

tfr

 

VF

 

 

 

 

 

 

 

0.1 VF

 

 

 

 

0

 

 

 

 

 

IF

10% IF

 

 

 

 

 

 

 

 

 

0

2

4

6

8

10

Figure 27. tfr Measurements

8

Motorola Bipolar Power Transistor Device Data

BUL45D2

TYPICAL SWITCHING CHARACTERISTICS

Table 1. Inductive Load Switching Drive Circuit

+15 V

 

 

 

 

 

 

 

1 μF

150 Ω

100 Ω

 

MTP8P10

100 μF

 

 

 

 

 

3 W

 

3 W

 

 

 

 

 

 

 

 

 

 

 

MPF930

 

 

 

 

MTP8P10

RB1

VCE

 

 

 

 

MUR105

IB1

 

MPF930

 

 

+10 V

 

 

Iout

I

 

 

 

 

 

 

 

B

 

 

 

 

 

 

A

 

50 Ω

 

 

 

 

MJE210

RB2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMMON

 

 

 

150 Ω

MTP12N10

 

V(BR)CEO(sus)

 

 

 

 

 

 

 

 

 

 

 

 

500

μ

F

3 W

 

 

L = 10 mH

 

 

 

 

 

RB2 =

 

 

 

 

 

 

 

 

 

 

 

 

 

1 μF

VCC = 20 Volts

 

 

 

 

 

 

 

IC(pk) = 100 mA

±Voff

IC PEAK

VCE PEAK

IB2

Inductive Switching

L = 200 μH

RB2 = 0

VCC = 15 Volts RB1 selected for desired IB1

RBSOA

L = 500 μH

RB2 = 0

VCC = 15 Volts RB1 selected for desired IB1

TYPICAL CHARACTERISTICS

 

100

 

 

 

(AMPS)

10

 

 

1 μs

 

 

10 μs

 

CURRENT

 

 

 

1

5 ms

1 ms

SOA

 

 

COLLECTOR

 

 

EXTENDED

 

DC

 

0.1

 

 

 

 

 

,

 

 

 

 

C

 

 

 

 

I

 

 

 

 

 

0.01

 

 

 

 

10

100

 

1000

VCE, COLLECTOR±EMITTER VOLTAGE (VOLTS)

Figure 28. Forward Bias Safe Operating Area

 

6

 

 

 

 

 

 

(AMPS)

5

 

 

 

 

TC 125°C

 

 

 

 

GAIN

5

 

 

 

 

 

LC = 2 mH

CURRENT

4

 

 

 

 

 

 

3

 

 

 

 

 

 

, COLLECTOR

 

 

 

 

 

 

2

 

 

 

 

± 5 V

 

 

 

 

 

 

 

1

 

 

 

 

 

 

C

 

 

0 V

 

 

 

I

 

 

±1.5 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

500

 

 

 

 

200

300

400

600

700

800

VCE, COLLECTOR±EMITTER VOLTAGE (VOLTS)

Figure 29. Reverse Bias Safe Operating Area

Motorola Bipolar Power Transistor Device Data

9

BUL45D2

TYPICAL CHARACTERISTICS

 

1

 

 

 

 

 

 

 

 

 

 

 

 

SECOND BREAKDOWN

 

FACTOR

0.8

 

 

 

 

DERATING

 

 

0.6

 

 

 

 

 

 

 

DERATING

 

 

 

 

 

 

 

 

THERMAL DERATING

 

 

 

 

0.4

 

 

 

 

 

 

 

POWER

 

 

 

 

 

 

 

0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

20

40

60

80

100

120

140

160

 

 

 

TC, CASE TEMPERATURE (°C)

 

 

Figure 30. Forward Bias Power Derating

There are two limitations on the power handling ability of a transistor: average junction temperature and second breakdown. Safe operating area curves indicate IC ±VCE limits of the transistor that must be observed for reliable operation; i.e., the transistor must not be subjected to greater dissipation than the curves indicate. The data of Figure 28 is based

on TC = 25°C; TJ(pk) is variable depending on power level. Second breakdown pulse limits are valid for duty cycles to

10% but must be derated when TC > 25°C. Second breakdown limitations do not derate the same as thermal limitations. Allowable current at the voltages shown on Figure 28 may be found at any case temperature by using the appropriate curve on Figure 30.

TJ(pk) may be calculated from the data in Figure 31. At any case temperatures, thermal limitations will reduce the power

that can be handled to values less than the limitations imposed by second breakdown. For inductive loads, high voltage and current must be sustained simultaneously during turn±off with the base to emitter junction reverse biased. The safe level is specified as a reverse biased safe operating area (Figure 29). This rating is verified under clamped conditions so that the device is never subjected to an avalanche mode.

TYPICAL THERMAL RESPONSE

 

 

1

 

 

 

 

 

 

TRANSIENT THERMAL RESISTANCE

 

 

0.5

 

 

 

 

 

 

 

0.2

 

 

 

 

 

(NORMALIZED)

 

0.1

 

P(pk)

 

RθJC(t) = r(t) RθJC

 

0.1

0.05

 

 

 

 

 

 

RθJC = 2.5°C/W MAX

 

 

 

 

 

 

 

 

 

 

 

 

D CURVES APPLY FOR POWER

 

 

0.02

 

t1

 

PULSE TRAIN SHOWN

 

 

 

 

 

READ TIME AT t1

 

 

SINGLE PULSE

 

t

2

 

 

 

 

TJ(pk) ± TC = P(pk) RθJC(t)

 

 

 

 

DUTY CYCLE, D = t1/t2

 

r(t),

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

 

0.01

0.1

1

10

100

1000

t, TIME (ms)

Figure 31. Typical Thermal Response (ZθJC(t)) for BUL45D2

10

Motorola Bipolar Power Transistor Device Data

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