AIC1577 AIC [Analog Intergrations Corporation], AIC1577 Datasheet - Page 12

• Manufacturer Part Number: AIC1577
• Description: External NMOS Step-Down PWM Controller
• Manufacturer: AIC [Analog Intergrations Corporation]

APPLICATION CIRCUIT
**
C7
1 µ F
V
IN
6V~24V
R4
1.2M
LL4148
Fig. 15 Placement (Top Overlay)
D2
Fig. 17 3.3V Step-Down Converter with External Soft-Start Circuit
R3
24k
C5
330pF
1
2
3
4
CS
ITH/RUN
FB
GND
R1
20k
AIC1577
BOOST
DRI
VIN
SW
R2
1nF
C4
8
7
6
5
62k
Fig. 16 Placement (Bottom Overlay)
1000pF
0.1 µ F
C3
C1
C2
0.1 µ F
R
33m
FDS6694
D1
SL43
M1
S
+
22 µ F
10 µ H
C
IN1
C
220 µ F
L1
OUT
AIC1577
+
22 µ F
V
C
V
OUT
IN
IN
C6
2.2 µ F
2
6V~24V
3.3V 3A
12