ICL7667 Datasheet, PDF (7/8 Pages) Intersil Corporation – Dual Power MOSFET Driver

18V
CA CB V_IN
EA
470
CA1524
EB
470
ICL7667
+V
1µF
IRF730
ICL7667
IRF730
1µF
-V
+165V
0V
-165V
V_OUT
0V - 5V
INPUT
FROM
PWM IC
FIGURE 11. TRANSFORMER COUPLED DRIVE CIRCUIT
V+
0.1µF
+
4.7µF
1/2
ICL7667
2200pF
1/2
ICL7667
IN914
D₁
R₁
10k
FF10
4.7µF
0.1µF
Q₂
IRFF120
1000pF
C₁
5FF10
Z_L
IRFF120
Q₁
FIGURE 12. VERY HIGH SPEED DRIVER
-4
-6
f = 10kHz
+15V
1kHz - 250kHz
SQUARE
WAVE
IN TTL
LEVELS
1/2
ICL7667
+-
10µF
IN4001
IN4001
-13.5V
-
+ ^47µF
-8
SLOPE = 60Ω
-10
-12
-14
5
20
40
60
80
100
I_OUT (mA)
FIGURE 13A.
FIGURE 13B. OUTPUT CURRENT vs OUTPUT VOLTAGE
FIGURE 13. VOLTAGE INVERTER
3-79