Document
PD-91796A
FRED
HFA40HF60C
Ultrafast, Soft Recovery Diode
Features
• Reduced RFI and EMI • Reduced Snubbing • Extensive Characterization of Recovery Parameters • Hermetic • Surface Mount
VR = 600V VF = 1.56V Qrr = 270nC
di(rec)M/dt = 345A/µs
Description
These Ultrafast, soft recovery diodes are optimized to reduce losses and EMI/RFI in high frequency power conditioning systems. An extensive characterization of the recovery behavior for different values of current, temperature and di/dt simplifies the calculations of losses in the operating conditions. The softness of the recovery eliminates the need for a snubber in most applications. These devices are ideally suited for power converters, motors drives and other applications where switching losses are significant portion of the total losses.
Absolute Maximum Ratings (per Leg)
VR IF(AV) IFSM PD @ TC = 25°C TJ, TSTG
Parameter Cathode to Anode Voltage Continuous Forward Current, TC = 55°C Single Pulse Forward Current, TC = 25°C Maximum Power Dissipation Operating Junction and Storage Temperature Range
Note: D.C.= 50% rect. wave 1/2 sine wave, 60Hz, P.W.= 8.33ms
Max. 600 30 150 63 -55 to +150
Units V A
W °C
CASE STYLE
(ISOLATED BASE)
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ANODE COMMON ANODE CATHODE
1
11/04/13
HFA40HF60C
Electrical Characteristics (per Leg) @ TJ = 25°C (unless otherwise specified)
Parameter
Min. Typ. Max. Units
Test Conditions
VBR
Cathode Anode Breakdown Voltage
600 — —
V IR = 250µA
VF
Max Forward Voltage
— — 1.43
IF = 15A, TJ = -55°C
See Fig. 1
— — 1.56 V IF = 15A, TJ = 25°C See Fig. 2
— — 1.92
IF = 30A, TJ = 25°C
— — 1.51
IF = 15A, TJ = 125°C
IR
Max Reverse Leakage Current
— — 10 µA VR = VR Rated
See Fig. 2
— — 1.0 mA VR = 480V, TJ = 125°C
CT
Junction Capacitance, See Fig. 3
— 24 36 pF VR = 200V
LS
Series Inductance
— 2.8 —
nH Measured from center of cathode pad to center of anode pad
Dynamic Recovery Characteristics (per Leg) @ TJ = 25°C (unless otherwise specified)
trr1 trr2 IRRM1 IRRM2 Qrr1 Qrr2 di(rec)M/dt1 di(rec)M/dt2
Parameter Reverse Recovery Time
Peak Recovery Current
Reverse Recovery Charge
Peak Rate of Fall of Recovery Current During tb
Min. Typ. Max. Units
Test Conditions
— 54 88 ns TJ = 25°C See Fig.
— 94 140
TJ = 125°C
5
IF = 15A
— 5.6 7.8 A TJ = 25°C See Fig.
— 7.8 11.7
TJ = 125°C
6
VR = 200V
— 180 270 nC TJ = 25°C See Fig.
— 435 650
TJ = 125°C
7 dif/dt = 200A/µs
— 300 345 A/µs TJ = 25°C See Fig.
— 190 285
TJ = 125°C
8
Thermal-Mechanical Characteristics
RthJC Wt
Parameter Junction-to-Case, Single Leg conducting Weight
Typ. — 2.6
Max. 2.0 —
Units °C/W
g
2
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Instantaneous Forward Current - I F (A)
100
10
Tj = 125°C Tj = 25°C Tj = -55°C 1 0 0.5 1.0 1.5 2.0 2.5 3.0 Forward Voltage Drop - V F (V)
Fig. 1 - Maximum Forward Voltage Drop Vs. Instantaneous Forward Current (per Leg)
10
Reverse Current - IR (µA)
HFA40HF60C
1000 100 10 1 0.1 0.01
0.001 0.0001
0
1000 A
TJ = 150°C TJ = 125°C
TJ = 25°C
200
400
600
Reverse Voltage - VR (V)
Fig. 2 - Typical Reverse Current Vs. Reverse Voltage (per Leg)
TJ = 25°C
100
Junction Capacitance - C T (pF)
10 1
10
100
1000
Reverse Voltage - VR (V)
Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (per Leg)
Thermal Response (Z thJC )
1 D = 0.50
0.20
0.10
0.05
0.1
0.02
0.01
0.01 0.00001
PDM
SINGLE PULSE (THERMAL RESPONSE)
t1 t2
Notes:
1. Duty factor D = t1 / t 2 2. Peak TJ = P DM x Z thJC + TC
0.0001
0.001
0.01
0.1
1
t1, Rectangular Pulse Duration (sec)
Fig. 4 - Maximum Thermal Impedance Zthjc Characteristics (per Leg)
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3
HFA40HF60C
150 120
90 60
IF = 30A IF = 15A IF = 7.5A
I IRRM - (A)
100 VR = 200V TJ = 125°C TJ = 25°C
IF = 30A IF = 15A IF = 7.5A
10
Q RR - (nC)
30
VR = 200V TJ = 125°C TJ = 25°C
0 100
dif /dt - (A/µs)
1000
Fig. 5 - Typical Reverse Recovery Vs. dif/dt (per Leg)
1
100
1000
di f /dt - (A/µs)
Fig. 6 - Typical Recovery Current Vs. dif/dt (per Leg)
1200
IF = 30A IF = 15A 900 IF = 7.5A
10000
VR = 200V TJ = 125°C TJ = 25°C
1000
di(rec)M/dt - (A/µs)
Q RR - (nC)
600
300
VR = 200V TJ = 125°C TJ = 25°C
0
100
1000
dif /dt - (A/µs)
Fig. 7 - Typical Stored Charge Vs. dif/dt (per Leg)
4
100
IF = 7.5A IF = 15A
IF = 30A
10 100
1000
di f /dt - (A/µs)
Fig. 8 - Typical di(rec)M/dt Vs. dif/dt (per Leg)
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HFA40HF60C
REVERSE RECOVERY CIRCUIT
VR = 200V
L = 70µH
0.01 Ω D.U.T.
dif/dt ADJUST G
D IRFP250
S
IF 0
3
trr
ta
tb
2
I RRM
4
Q rr 0.5 I RRM di(rec)M/dt 5
0.75 IRRM
1 dif /dt
1. dif/dt - Rate of change of current through zero crossing
2. IRRM - Peak reverse recovery current
3. trr - Reverse recovery time measured from zero crossing point of negative going IF to point where a line passing through 0.75 IRRM and 0.50 IRRM extrapolated to zero current
4. Qrr - Area under curve defined by trr and IRRM trr X IRRM.