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RHRG75120
Data Sheet January 2000 File Number 3414.3
75A, 1200V Hyperfast Diode
The RHRG75120 is a hyperfast diode with soft recovery characteristics (trr < 85ns). It has half the recovery time of ultrafast diodes and is silicon nitride passivated ion-implanted epitaxial planar construction. This device is intended for use as a freewheeling/clamping diode and rectifier in a variety of high frequency switching power supplies and other power switching applications. Its low stored charge and hyperfast soft recovery characteristic minimize ringing and electrical noise in many power switching circuits, thus reducing power loss in the switching transistors. Formerly developmental type TA49042.
Features
* Hyperfast with Soft Recovery . . . . . . . . . . . . . . . . . . <85ns * Operating Temperature. . . . . . . . . . . . . . . . . . . . . . .175oC * Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . .1200V * Avalanche Energy Rated * Planar Construction
Applications
* Switching Power Supplies * Power Switching Circuits * General Purpose
Ordering Information
PART NUMBER RHRG75120 PACKAGE TO-247 BRAND RHRG75120
Packaging
JEDEC STYLE TO-247
ANODE CATHODE CATHODE (BOTTOM SIDE METAL)
NOTE: When ordering, use the entire part number.
Symbol
K
A
Absolute Maximum Ratings
TC = 25oC RHRG75120 UNITS V V V A 1200 1200 1200 75
Peak Repetitive Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VRRM Working Peak Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VRWM DC Blocking Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VR Average Rectified Forward Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IF(AV) (TC = 42oC) Repetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IFRM (Square Wave, 20kHz) Nonrepetitive Peak Surge Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IFSM (Halfwave, 1 Phase, 60Hz) Maximum Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PD Avalanche Energy (See Figures 7 and 8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . EAVL Operating and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TSTG, TJ
150
A
500
A
190 50 -65 to 175
W mJ
oC
1
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(c) Intersil Corporation 2000
RHRG75120
Electrical Specifications
SYMBOL VF TC = 25oC, Unless Otherwise Specified MIN TYP 60 25 MAX 3.2 2.6 250 2 85 100 0.8 UNITS V V A mA ns ns ns ns
oC/W
TEST CONDITION IF = 75A IF = 75A, TC = 150C
IR
VR = 1200V VR = 1200V, TC = 150C
trr
IF = 1A, dIF/dt = 100A/s IF = 75A, dIF/dt = 100A/s
ta tb RJC DEFINITIONS
IF = 75A, dIF/dt = 100A/s IF = 75A, dIF/dt = 100A/s
VF = Instantaneous forward voltage (pw = 300s, D = 2%). IR = Instantaneous reverse current. trr = Reverse recovery time (See Figure 6), summation of ta + tb . ta = Time to reach peak reverse current (See Figure 6). 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 6). RJC = Thermal resistance junction to case. pw = Pulse width. D = Duty cycle.
Typical Performance Curves
400 1000 IR, REVERSE CURRENT (A) 175oC 100 100oC 10
IF, FORWARD CURRENT (A)
100
175oC 100oC
10 25oC
1 25oC
1
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
0.1
0
200
400
600
800
1000
1200
VF, FORWARD VOLTAGE (V)
VR , REVERSE VOLTAGE (V)
FIGURE 1. FORWARD CURRENT vs FORWARD VOLTAGE
FIGURE 2. REVERSE CURRENT vs REVERSE VOLTAGE
2
RHRG75120 Typical Performance Curves
100
(Continued)
TC = 25oC, dIF/dt = 100A/s IF(AV), REVERSE CURRENT (A)
80
80 trr t, TIME (ns) 60 ta 40 tb 20
60 DC 40
SQ. WAVE 20
0
1
10 IF, FORWARD CURRENT (A)
80
0 25
50
75
100
125
150
175
TC , CASE TEMPERATURE (oC)
FIGURE 3. trr, ta AND tb CURVES vs FORWARD CURRENT
FIGURE 4. CURRENT DERATING CURVE
Test Circuits and Waveforms
VGE AMPLITUDE AND RG CONTROL dIF/dt t1 AND t2 CONTROL IF L
DUT RG VGE t1 t2
CURRENT SENSE + VDD 0
IF
dIF dt ta
trr tb
IGBT
-
0.25 IRM IRM
FIGURE 5. trr TEST CIRCUIT
IMAX = 1.6A L = 40mH R < 0.1 EAVL = 1/2LI2 [VR(AVL) /(VR(AVL) - VDD)] Q1 = IGBT (BVCES > DUT VR(AVL)) L CURRENT SENSE Q1 VDD DUT R + VDD IV
FIGURE 6. trr WAVEFORMS AND DEFINITIONS
VAVL
IL
IL
t0 t1 t2 t
FIGURE 7. AVALANCHE ENERGY TEST CIRCUIT
FIGURE 8. AVALANCHE CURRENT AND VOLTAGE WAVEFORMS
All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site www.intersil.com 3

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