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RHRP840C

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

April 1995

RHRP840CC, RHRP850CC, RHRP860CC

8A, 400V - 600V Hyperfast Dual Diodes

Features

•Hyperfast with Soft Recovery . . . . . . . . . . . . . . . . <30ns

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

•Reverse Voltage Up To . . . . . . . . . . . . . . . . . . . . . . 600V

•Avalanche Energy Rated

•Planar Construction

Applications

•Switching Power Supplies

•Power Switching Circuits

•General Purpose

Description

RHRP840CC, RHRP850CC and RHRP860CC (TA49059) are hyperfast dual diodes with soft recovery characteristics (tRR < 30ns). 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

RHRP840CC	TO-220AB	RHRP840C

RHRP850CC	TO-220AB	RHRP850C

RHRP860CC	TO-220AB	RHRP860C

NOTE: When ordering, use the entire part number.

Package

JEDEC TO-220AB

ANODE 2

CATHODE

ANODE 1

CATHODE (FLANGE)

Symbol


Absolute Maximum Ratings (per leg) TC = +25oC, Unless Otherwise Speciﬁed
				RHRP840CC	RHRP850CC	RHRP860CC	UNITS
Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .	. . VRRM			400	500	600	V
Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . VRWM			400	500	600	V
DC Blocking Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . . .	VR		400	500	600	V
Average Rectiﬁed Forward Current . . . . . . . . . . . . . . . . . . . . . . . .	. . .IF(AV)			8	8	8	A
(TC = 150oC)
Repetitive Peak Surge Current. . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . IFSM			16	16	16	A
(Square Wave, 20kHz)
Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . .	. . . IFSM			100	100	100	A
(Halfwave, 1 Phase, 60Hz)
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	. . . . .	PD		75	75	75	W
Avalanche Energy (See Figures 10 and 11). . . . . . . . . . . . . . . . . .	. . . EAVL			20	20	20	mJ
Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .	T	, T	J	-65 to +175	-65 to +175	-65 to +175	oC
	STG		J

Copyright © Harris Corporation 1995	File Number 3964.1
	8-3

Speciﬁcations RHRP840CC, RHRP850CC, RHRP860CC

Electrical Speciﬁcations					(per leg)	TC = +25oC, Unless Otherwise Speciﬁed

													LIMITS

								RHRP840CC				RHRP850CC				RHRP860CC

SYMBOL				TEST CONDITION			MIN		TYP	MAX	MIN		TYP	MAX	MIN		TYP	MAX	UNITS

VF		IF = 8A, TC = +25oC					-		-	2.1	-		-	2.1	-		-	2.1	V
		IF = 8A, TC = +150oC					-		-	1.7	-		-	1.7	-		-	1.7	V
I	R	V	R	= 400V, T	= +25oC		-		-	100	-		-	-	-		-	-	μA
	R		R	C
		V	R	= 500V, T	= +25oC		-		-	-	-		-	100	-		-	-	μA
			R	C
		V	R	= 600V, T	= +25oC		-		-	-	-		-	-	-		-	100	μA
			R	C
I	R	V	R	= 400V, T	= +150oC		-		-	500	-		-	-	-		-	-	μA
	R		R	C
		V	R	= 500V, T	= +150oC		-		-	-	-		-	500	-		-	-	μA
			R	C
		V	R	= 600V, T	= +150oC		-		-	-	-		-	-	-		-	500	μA
			R	C
tRR		IF = 1A, dIF/dt = 200A/μs					-		-	30	-		-	30	-		-	30	ns
		IF = 8A, dIF/dt = 200A/μs					-		-	35	-		-	35	-		-	35	ns
tA		IF = 8A, dIF/dt = 200A/μs					-		18	-	-		18	-	-		18	-	ns
tB		IF = 8A, dIF/dt = 200A/μs					-		10	-	-		10	-	-		10	-	ns
QRR		IF = 8A, dIF/dt = 200A/μs					-		56	-	-		56	-	-		56	-	nC
CJ		VR = 10V, IF = 0A					-		25	-	-		25	-	-		25	-	pF
RθJC							-		-	2	-		-	2	-		-	2	oC/W

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
L	= SELF INDUCTANCE OF			+V3
1	R4 + LLOOP	R1	Q2	t1 ³ 5tA(MAX)
		R1	Q2	t1 ³ 5tA(MAX)

				t2 > tRR
	Q1			t3 > 0
	Q1			L1 £ tA(MIN)
	+V1			L1 £ tA(MIN)

0		R4		10	dIF		tRR
0		LLOOP		IF	dIF		tRR
	t2	LLOOP		IF	dt	tA	tB
t1	R2		DUT	0
t1		Q4	DUT
		Q4					0.25 IRM
							0.25 IRM
	t3						IRM
0	C1	R4					VR
0	Q3						VR
	Q3
-V2	R3	-V4

VRM

FIGURE 1. tRR TEST CIRCUIT

FIGURE 2. tRR WAVEFORMS AND DEFINITIONS

8-4

RHRP840CC, RHRP850CC, RHRP860CC

Typical Performance Curves

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

VF , FORWARD VOLTAGE (V)

FIGURE 3. TYPICAL FORWARD CURRENT vs FORWARD VOLTAGE DROP

		T	C	= +25oC, dI /dt = 200A/μs
	35		C		F
	35
	30
(ns)	25
TIMES		tRR
		tRR
RECOVERY	20
RECOVERY	15	tB
	15	tA
	10
t,	5
	5
	0	1		4	8
	0.5	1		4	8

IF , FORWARD CURRENT (A)

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

	1000	+175oC
(μA)
	100
CURRENT
	10	+100oC
REVERSE,
	1

R		+25oC
I	0.1

	0.01	100	200	300	400
	0	100	200	300	400	500	600
			VR , REVERSE VOLTAGE (V)
FIGURE 4. TYPICAL REVERSE CURRENT vs REVERSE
		VOLTAGE
	60				TC = +100oC, dIF/dt = 200A/μs
	60
	50
(ns)	40			tRR
TIMES	40			tRR
TIMES				tB
RECOVERY	30			tB
	30
	20			tA
	20
t,	10
	10
	0		1			4	8
	0.5		1			4	8

IF , FORWARD CURRENT (A)

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

		T	= +175oC, dI	/dt = 200A/μs
	90	C	F			10
	90				(A)	10
(ns)TIMESRECOVERYt,					(A)
(ns)TIMESRECOVERYt,	75				CURRENTFORWARDAVERAGE	8
	75

	60	tRR							DC
		tRR				6
						6
	45							SQ. WAVE
	45
		tA				4
	30	tA
		tB				2
	15					2
	15
					,
	0				F(AV)	0
	0.5	1	4	8	I	0	135	145	155	165	175
	0.5	1	4	8		125	135	145	155	165	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

8-5

RHRP840CC, RHRP850CC, RHRP860CC

Typical Performance Curves (Continued)

(pF)

CAPACITANCE

, JUNCTION

100

150

200

VR , REVERSE VOLTAGE (V)

FIGURE 9. TYPICAL JUNCTION CAPACITANCE vs REVERSE VOLTAGE

IMAX = 1A

L = 40mH

R < 0.1W

AVL

= 1/2LI2

/(V

- V

)]

AVL

Q1 AND Q2 ARE 1000V MOSFETs

VDD

130Ω

1MΩ

DUT

VAVL

12V

CURRENT

130Ω

SENSE

VDD

12V

FIGURE 10. AVALANCHE ENERGY TEST CIRCUIT

FIGURE 11. AVALANCHE CURRENT AND VOLTAGE

WAVEFORMS

8-6

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