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RHRP870

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

April 1995

RHRP870, RHRP880, RHRP890, RHRP8100

8A, 700V - 1000V Hyperfast Diodes

Features

• Hyperfast with Soft Recovery . . . . . . . . . . . . . . . . . . . . .<60ns

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

• Reverse Voltage Up To . . . . . . . . . . . . . . . . . . . . . . . . . .1000V

•Avalanche Energy Rated

•Planar Construction

Applications

•Switching Power Supplies

•Power Switching Circuits

•General Purpose

Description

RHRP870, RHRP880, RHRP890 and RHRP8100 (TA49060) are hyperfast diodes with soft recovery characteristics (tRR < 60ns). 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.

PACKAGING AVAILABILITY

PART NUMBER	PACKAGE	BRAND

RHRP870	TO-220AC	RHRP870

RHRP880	TO-220AC	RHRP880

RHRP890	TO-220AC	RHRP890

RHRP8100	TO-220AC	RHRP8100

NOTE: When ordering, use the entire part number.

Package

JEDEC TO-220AC

ANODE

CATHODE

CATHODE (FLANGE)

Symbol

Absolute Maximum Ratings TC = +25oC, Unless Otherwise Speciﬁed
				RHRP870	RHRP880	RHRP890	RHRP8100	UNITS
Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . .	. . .VRRM			700	800	900	1000	V
Working Peak Reverse Voltage . . . . . . . . . . . . . . . .	. . VRWM			700	800	900	1000	V
DC Blocking Voltage. . . . . . . . . . . . . . . . . . . . . . . . . .	. . . .	VR		700	800	900	1000	V
Average Rectiﬁed Forward Current . . . . . . . . . . . . . .	. . IF(AV)			8	8	8	8	A
(TC = +140oC)
Repetitive Peak Surge Current. . . . . . . . . . . . . . . . . .	. . .IFSM			16	16	16	16	A
(Square Wave, 20kHz)
Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . .	. . .IFSM			100	100	100	100	A
(Halfwave, 1 Phase, 60Hz)
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . .	. . . .	PD		75	75	75	75	W
Avalanche Energy (L = 40mH) . . . . . . . . . . . . . . . . . .	. . EAVL			20	20	20	20	mj
Operating and Storage Temperature . . . . . . . . . . . .	T	, T	J	-65 to +175	-65 to +175	-65 to +175	-65 to +175	oC
	STG		J

Copyright © Harris Corporation 1995							File Number	3667.1
				7-58

Speciﬁcations RHRP870, RHRP880, RHRP890, RHRP8100

Electrical Speciﬁcations TC = +25oC, Unless Otherwise Speciﬁed

											RHRP870				RHRP880				RHRP890			RHRP8100			UNITS
																									UNITS
SYMBOL						TEST CONDITION				MIN		TYP	MAX	MIN		TYP	MAX	MIN		TYP	MAX	MIN	TYP	MAX

V		I	F		= 8A, T		C	= +25oC		-		-	3.0	-		-	3.0	-		-	3.0	-	-	3.0	V
	F		F				C
		IF = 8A, TC = +150oC								-		-	2.5	-		-	2.5	-		-	2.5	-	-	2.5	V
I	R	V		R		= 700V, T			= +25oC	-		-	100	-		-	-	-		-	-	-	-	-	μA
	R			R				C
		V		R		= 800V, T			= +25oC	-		-	-	-		-	100	-		-	-	-	-	-	μA
				R				C
		V		R		= 900V, T			= +25oC	-		-	-	-		-	-	-		-	100	-	-	-	μA
				R				C
		VR = 1000V, TC = +25oC								-		-	-	-		-	-	-		-	-	-	-	100	μA
I	R	V		R		= 700V, T			= +150oC	-		-	500	-		-	-	-		-	-	-	-	-	μA
	R			R				C
		V		R		= 800V, T			= +150oC	-		-	-	-		-	500	-		-	-	-	-	-	μA
				R				C
		V		R		= 900V, T			= +150oC	-		-	-	-		-	-	-		-	500	-	-	-	μA
				R				C
		V		R		= 1000V, T			= +150oC	-		-	-	-		-	-	-		-	-	-	-	500	μA
				R				C
tRR		IF = 1A, dIF/dt = 100A/μs								-		-	60	-		-	60	-		-	60	-	-	60	ns
		IF = 8A, dIF/dt = 100A/μs								-		-	65	-		-	65	-		-	65	-	-	65	ns
tA		IF = 8A, dIF/dt = 100A/μs								-		38	-	-		38	-	-		38	-	-	38	-	ns
tB		IF = 8A, dIF/dt = 100A/μs								-		21	-	-		21	-	-		21	-	-	21	-	ns
QRR		IF = 8A, dIF/dt = 100A/μs								-		130	-	-		130	-	-		130	-	-	130	-	nC
CJ		VR = 10V, IF = 0A								-		30	-	-		30	-	-		30	-	-	30	-	pF
RθJC										-		-	2.0	-		-	2.0	-		-	2.0	-	-	2.0	oC/W

DEFINITIONS

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

tRR = Reverse recovery time (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). RθJC = Thermal resistance junction to case.

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

D = duty cycle.

V1 AMPLITUDE CONTROLS IF			+V3
V2 AMPLITUDE CONTROLS dIF/dt			t	1	5t
L1 = SELF INDUCTANCE OF	R1	Q2		1	A(MAX)
L1 = SELF INDUCTANCE OF	R1	Q2	t2		> tRR
R4 + LLOOP			t2		> tRR
R4 + LLOOP	Q1		t3 > 0
+V1	Q1		L1 ≤ tA(MIN)
+V1			L1 ≤ tA(MIN)
0			R4			10		dIF		tRR
0			LLOOP				IF	dIF		tRR
t2			LLOOP				IF	dt	tA	tB
	R2								tA	tB
t1	R2				DUT		0
t1			Q4		DUT		0
			Q4
t3										0.25 IRM
t3										IRM
	C1		R4							IRM
0	C1		R4
0	Q3
	Q3
-V2	R3		-V4							VR
										VR
									VRM

FIGURE 1. tRR TEST CIRCUIT

FIGURE 2. tRR WAVEFORMS AND DEFINITIONS

7-59

RHRP870, RHRP880, RHRP890, RHRP8100

Typical Performance Curves

	40
(A)
CURRENTFORWARD	10	+175oC	+100oC		+25oC
	10
,
F	1
I	1
	0.5	0.5	1	1.5	2	2.5		3.5
	0	0.5	1	1.5	2	2.5	3	3.5	4

VF , FORWARD VOLTAGE (V)

FIGURE 3. TYPICAL FORWARD CURRENT vs FORWARD VOLTAGE DROP

		500
		+175oC
	(μA)	100
	(μA)
	CURRENT	10
		10
		+100oC
	REVERSE,	1
	REVERSE,	+25oC
		+25oC
		0.1

R	0.01
I

0.001

200

400

600

800

1000

VR , REVERSE VOLTAGE (V)

FIGURE 4. TYPICAL REVERSE CURRENT vs REVERSE VOLTAGE

	75			TC = +25oC		125				TC = +100oC
	75					125
(ns)	60				(ns)	100
(ns)					(ns)			tRR
TIMES	45	tRR			TIMES	75		tRR
TIMES					TIMES					tB

RECOVERY					RECOVERY
RECOVERY		tB			RECOVERY
	30	tA				50
t,	15				t,	25				tA
						25
	0		4			0
	0.5	1	4	8		0	0.5	1	4	8
		IF , FORWARD CURRENT (A)						IF , FORWARD CURRENT (A)

FIGURE 5. TYPICAL tRR , tA AND tB CURVES vs FORWARD

FIGURE 6. TYPICAL tRR , tA AND tB CURVES vs FORWARD

		CURRENT AT +25oC						CURRENT AT +100oC
	200			TC = +175oC	(A)		10
	200						10

t, RECOVERY TIMES (ns)	160				AVERAGE FORWARD CURRENT		8
		tRR								DC
	120	tRR					6
	120						6
									SQ. WAVE
	80	tB					4
	80
		tA
	40						2

					,
	0				F(AV)		0
	0	1	4	8	I		0	115	130	145	160	175
	0.5	1	4	8			100	115	130	145	160	175
		IF , FORWARD CURRENT (A)						TC , CASE TEMPERATURE (oC)
FIGURE 7. TYPICAL tRR , tA AND tB CURVES vs FORWARD						FIGURE 8. CURRENT DERATING CURVE FOR ALL TYPES
		CURRENT AT +175oC

7-60

RHRP870, RHRP880, RHRP890, RHRP8100

Typical Performance Curves (Continued)

100

(pF)

CAPACITANCE

, JUNCTION

100

150

200

VR , REVERSE VOLTAGE (V)

FIGURE 9. TYPICAL JUNCTION CAPACITANCE vs REVERSE VOLTAGE

IMAX = 1A

L = 40mH

R < 0.1Ω

2[V

AVL

= 1/2LI

/(V

- V

)]

AVL

Q1 AND Q2 ARE 1000V MOSFETS

130Ω

1MΩ

VAVL

DUT

VDD

12V Q2

CURRENT

130Ω

SENSE

12V

FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT

FIGURE 11. AVALANCHE CURRENT AND VOLTAGE

WAVEFORMS

7-61

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