BUZ71 Datasheet, PDF (5/6 Pages) STMicroelectronics – N - CHANNEL 50V - 0.085W - 17A TO-220 STripFET] POWER MOSFET

BUZ71
Typical Performance Curves Unless Otherwise Specified (Continued)
10²
PULSE DURATION = 80µs
DUTY CYCLE = 0.5% MAX
15
I_D = 18A
10¹
10
T_J = 150^oC
T_J = 25^oC
10⁰
5
V_DS = 10V
V_DS = 40V
10^-1
0
0.5
1.0
1.5
2.0
2.5
3.0
V_SD, SOURCE TO DRAIN VOLTAGE (V)
FIGURE 12. SOURCE TO DRAIN DIODE VOLTAGE
Test Circuits and Waveforms
VARY t_P TO OBTAIN
REQUIRED PEAK I_AS
R_G
V_GS
t_P
0V
V_DS
L
DUT
+
V_DD
-
I_AS
0.01Ω
00
10
20
30
Q_g, GATE CHARGE (nC)
FIGURE 13. GATE TO SOURCE VOLTAGE vs GATE CHARGE
t_P
I_AS
BV_DSS
V_DS
V_DD
0
t_AV
FIGURE 14. UNCLAMPED ENERGY TEST CIRCUIT
R_L
+
R_G
V_DD
-
DUT
V_GS
FIGURE 16. SWITCHING TIME TEST CIRCUIT
FIGURE 15. UNCLAMPED ENERGY WAVEFORMS
V_DS
t_ON
t_d(ON)
t_r
90%
t_OFF
t_d(OFF)
t_f
90%
10%
0
V_GS
10%
0
50%
PULSE WIDTH
10%
90%
50%
FIGURE 17. RESISTIVE SWITCHING WAVEFORMS
15