IRF7854PBF_15 Datasheet, PDF (6/8 Pages) International Rectifier – Secondary Side Synchronous Rectification Switch for 12Vout

IRF7854PbF
25
TJ = 125°C
20
15
TJ = 25°C
10
Vgs = 10V
5
0 10 20 30 40 50 60 70 80 90
ID, Drain Current (A)
Fig 12. On-Resistance vs. Drain Current
40
ID = 6.0A
35
30
25
TJ = 125°C
20
15
TJ = 25°C
10
4
6
8
10 12 14 16
VGS, Gate -to -Source Voltage (V)
Fig 13. On-Resistance vs. Gate Voltage
L
V_GS
Q_G
VCC
DUT
Q_GS
Q_GD
0
1K
V_G
Charge
Fig 14a&b. Basic Gate Charge Test Circuit
and Waveform
V(BR)DSS
tp
I_AS
VDS
L
RG
20V
tp
D.U.T
I_AS
0.01Ω
15V
DRIVER
+
- ^VDD
A
Fig 15a&b. Unclamped Inductive Test circuit
and Waveforms
6
450
ID
400
TOP
0.61A
350
0.75A
BOTTOM 6.0A
300
250
200
150
100
50
0
25
50
75
100 125 150
Starting TJ , Junction Temperature (°C)
Fig 15c. Maximum Avalanche Energy
vs. Drain Current
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