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S E M I C O N D U C T O R

March 1995

RHRD6120,

RHRD6120S

6A, 1200V Hyperfast Diodes

Features

• Hyperfast with Soft Recovery . . . . . . . . . . . . . . . . . . . . .<55ns

• Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . .+175oC

• Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1200V

Avalanche Energy Rated

Planar Construction

Applications

Switching Power Supplies

Power Switching Circuits

General Purpose

Description

The RHRD6120 and RHRD6120S (TA49058) are hyperfast diodes with soft recovery characteristics (tRR < 55ns). They have half the recovery time of ultrafast diodes and are silicon nitride passivated ion-implanted epitaxial planar construction.

These devices are intended for use as freewheeling/clamping diodes and rectifiers in a variety of switching power supplies and other power switching applications. Their low stored charge and hyperfast soft recovery minimize ringing and electrical noise in many power switching circuits reducing power loss in the switching transistors.

PACKAGE AVAILABILITY

PART NUMBER

PACKAGE

BRAND

 

 

 

RHRD6120

TO-251

HR6120

 

 

 

RHRD6120S

TO-252

HR6120

 

 

 

NOTE: When ordering, use the entire part number.

Package

JEDEC STYLE TO-251

ANODE

CATHODE

CATHODE (FLANGE)

JEDEC STYLE TO-252

CATHODE

(FLANGE) CATHODE

ANODE

Symbol

K

A

 

 

 

 

 

 

 

 

 

Absolute Maximum Ratings TC = +25oC, Unless Otherwise Specified

 

 

 

 

 

 

 

 

RHRD6120

 

 

 

 

 

 

 

RHRD6120S

UNITS

 

 

Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .

. . VRRM

1200

V

 

 

Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . VRWM

1200

V

 

 

DC Blocking Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . .

VR

1200

V

 

 

Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . . . .

. . .IF(AV)

6

A

 

 

(TC = 130oC)

 

 

 

 

 

 

 

Repetitive Peak Surge Current. . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . IFSM

12

A

 

 

(Square Wave, 20kHz)

 

 

 

 

 

 

 

Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . .

. . . IFSM

60

A

 

 

(Halfwave, 1 Phase, 60Hz)

 

 

 

 

 

 

 

Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . .

PD

50

W

 

 

Avalanche Energy (See Figures 10 and 11). . . . . . . . . . . . . . . . . .

. . . EAVL

10

mJ

 

 

Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .

T

, T

J

-65 to +175

oC

 

 

 

STG

 

 

 

 

 

 

 

 

 

 

 

 

Copyright © Harris Corporation 1995

 

 

 

 

File Number 3981

 

 

7-17

 

 

 

 

Specifications RHRD6120, RHRD6120S

Electrical Specifications

TC = +25oC, Unless Otherwise Specified

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SYMBOL

 

 

 

 

 

TEST CONDITION

 

MIN

TYP

MAX

UNITS

 

 

 

 

 

 

 

 

 

 

 

V

I

F

= 6A, T

C

= +25oC

 

-

-

3.2

V

F

 

 

 

 

 

 

 

 

 

 

IF = 6A, TC = +150oC

 

-

-

2.6

V

 

 

 

 

 

 

 

IR

VR = 1200V, TC = +25oC

 

-

-

100

μA

 

 

 

 

 

 

 

 

VR = 1200V, TC = +150oC

 

-

-

500

μA

 

 

 

 

 

 

 

tRR

IF = 1A, dIF/dt = 200A/μs

 

-

-

55

ns

 

IF = 6A, dIF/dt = 200A/μs

 

-

-

65

ns

 

 

 

 

 

 

 

tA

IF = 6A, dIF/dt = 200A/μs

 

-

33

-

ns

 

 

 

 

 

 

 

tB

IF = 6A, dIF/dt = 200A/μs

 

-

22

-

ns

 

 

 

 

 

 

 

QRR

IF = 6A, dIF/dt = 200A/μs

 

-

210

-

nC

CJ

VR = 10V, IF = 0A

 

-

22

-

pF

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

-

-

3

oC/W

θJC

 

 

 

 

 

 

 

 

 

 

 

DEFINITIONS

VF = Instantaneous forward voltage (pw = 300μs, D = 2%).

IR = Instantaneous reverse current.

tRR = Reverse recovery time (See Figure 2), summation of tA + tB. tA = Time to reach peak reverse current (See Figure 2).

tB = Time from peak IRM to projected zero crossing of IRM based on a straight line from peak IRM through 25% of IRM (See Figure 2).

QRR = Reverse recovery charge.

CJ = Junction Capacitance.

RθJC = Thermal resistance junction to case.

EAVL = Controlled avalanche energy. (See Figures 10 and 11). pw = pulse width.

D = duty cycle.

V1 AMPLITUDE CONTROLS IF

 

 

 

 

 

 

V2 AMPLITUDE CONTROLS dIF/dt

+V3

 

 

 

 

 

L1 = SELF INDUCTANCE OF

R1

t1 ³ 5tA(MAX)

 

 

 

R4 + LLOOP

Q2

 

 

 

 

 

 

 

 

 

 

 

 

 

t2 > tRR

 

 

 

 

 

Q1

 

t3 > 0

 

 

 

 

+V1

 

L1 £ tA(MIN)

 

 

 

 

 

 

 

 

0

 

 

R4

10

dIF

 

tRR

 

LLOOP

 

IF

 

t2

 

 

dt

tA

tB

R2

 

 

 

 

t1

 

DUT

0

 

 

 

 

Q4

 

 

 

 

 

 

 

 

 

 

0.25 IRM

 

 

 

 

 

 

 

t3

 

 

 

 

 

 

IRM

0

C1

R4

 

 

 

VR

Q3

 

 

 

 

 

 

 

 

 

 

 

 

-V2

R3

-V4

 

 

 

 

 

 

 

 

 

 

 

VRM

 

FIGURE 1. tRR TEST CIRCUIT

FIGURE 2. tRR WAVEFORMS AND DEFINITIONS

7-18

RHRD6120, RHRD6120S

Typical Performance Curves

 

30

 

 

 

 

 

 

 

 

(A)

10

 

 

 

 

 

 

 

 

FORWARDCURRENT

 

 

 

 

 

 

 

 

 

+175

o

C

o

C

+25oC

 

 

,

1

 

+100

 

 

 

I

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

0.5

 

 

 

 

 

 

 

 

 

0

 

 

1

 

 

2

3

4

VF , FORWARD VOLTAGE (V)

FIGURE 3. TYPICAL FORWARD CURRENT vs FORWARD VOLTAGE DROP

TC = +25oC, dIF/dt = 200A/μs

 

60

 

(ns)

50

 

 

 

TIMES

40

tRR

 

RECOVERYt,

 

30

 

 

 

 

 

tA

 

20

 

 

10

tB

0

0.5

1

6

IF , FORWARD CURRENT (A)

FIGURE 5. TYPICAL tRR, tA AND tB CURVES vs FORWARD CURRENT AT 25oC

 

500

 

 

 

 

 

 

 

100

 

 

+175oC

 

 

 

(μA)

 

 

 

 

 

 

 

 

 

 

 

 

 

CURRENT

10

 

 

 

 

 

 

 

 

 

 

 

 

 

REVERSE,

 

 

 

+100oC

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

R

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

+25oC

 

 

 

 

 

 

 

 

 

 

 

0.01

 

 

 

 

 

 

 

0

200

400

600

800

1000

1200

 

 

 

VR, REVERSE VOLTAGE (V)

 

 

FIGURE 4. TYPICAL REVERSE CURRENT vs REVERSE VOLTAGE

TC = +100oC, dIF/dt = 200A/μs

TIMES(ns)

100

 

60

 

 

80

 

RECOVERYt,

 

tRR

40

 

 

 

 

 

tA

 

20

tB

 

 

0

0.5

1

6

IF , FORWARD CURRENT (A)

FIGURE 6. TYPICAL tRR, tA AND tB CURVES vs FORWARD CURRENT AT 100oC

TC = +175oC, dIF/dt = 200A/μs

 

125

 

(ns)

100

 

 

 

TIMES

75

tRR

RECOVERYt,

25

tB

 

50

 

 

 

tA

0

0.5

1

6

IF , FORWARD CURRENT (A)

FIGURE 7. TYPICAL tRR, tA AND tB CURVES vs FORWARD CURRENT AT 175oC

(A)

6

 

CURRENT

5

 

 

DC

FORWARD

4

SQ. WAVE

 

AVERAGE

3

1

 

2

,

 

F(AV)

0

I

100

115

130

145

160

175

 

 

TC , CASE TEMPERATURE (oC)

 

 

FIGURE 8. CURRENT DERATING CURVE FOR ALL TYPES

7-19

 

 

RHRD6120, RHRD6120S

 

 

 

Typical Performance Curves (Continued)

 

 

 

 

 

 

100

 

 

 

 

 

 

 

(pF)

80

 

 

 

 

 

 

 

CAPACITANCE

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

JUNCTION

40

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

,

 

 

 

 

 

 

 

 

J

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

0

 

50

100

150

200

 

 

 

 

 

VR , REVERSE VOLTAGE (V)

 

 

 

FIGURE 9. TYPICAL JUNCTION CAPACITANCE vs REVERSE VOLTAGE

 

 

Test Circuit and Waveforms

 

 

 

 

 

 

 

IMAX = 1A

 

 

 

 

 

 

 

 

L = 40mH

 

 

 

 

 

 

 

 

R < 0.1Ω

 

 

 

 

 

 

 

 

EAVL = 1/2LI2 [VAVL/(VAVL - VDD)]

 

 

 

 

 

 

 

 

Q1 AND Q2 ARE 1000V MOSFETs

 

L

R

 

 

 

 

 

Q1

 

 

+

 

 

 

 

 

 

 

 

VDD

 

 

 

 

130Ω

1MΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DUT

 

 

 

VAVL

 

 

Q2

 

 

 

 

 

 

 

12V

 

 

 

 

 

 

 

 

 

 

CURRENT

 

IL

IL

 

 

130Ω

 

SENSE

 

 

 

 

 

 

I

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VDD

 

 

 

 

 

 

 

 

-

 

 

 

 

12V

 

 

 

 

t0

t1

t2

t

FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT

FIGURE 11. AVALANCHE CURRENT AND VOLTAGE

 

 

 

 

 

 

WAVEFORMS

 

 

 

 

 

 

7-20

 

 

 

 

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