AIC1571 AIC [Analog Intergrations Corporation], AIC1571 Datasheet - Page 16

• Manufacturer Part Number: AIC1571
• Description: 5-bit DAC, Synchronous PWM Power Regulator with Dual Linear Controllers
• Manufacturer: AIC [Analog Intergrations Corporation]

APPLICATION CIRCUIT
+3.3V
IN
4 x 1000µF
2 x 1000µF
20N03HL
20N03HL
V
1.5V
VOUT2
1.8V
+12V
C45-46
C47-48
OUT3
IN
Q3
Q4
+
+
40nF
R15
C48
10
4.2K
R11
1.87K
FAULT
PGOOD
RT
R11
Circuit 1 Motherboard Power application Circuit
10K
R12
10K
R12
SS
GATE3
GATE2
2.2µF
VIN2
C16
VCC
FB2
FB3
10
8
7
9
12
15
16
13
11
1
14
6
5
4
3
20
24
23
22
21
19
18
2
17
COMP1
FB1
OCSET
UGATE
PHASE
LGATE
PGND
VSEN
10pF
C41
1000pF
VID0
VID1
VID2
VID3
VID4
C18
2.2K
R2
Q2
Q1
D5820
160K
R10
C42
2.2nF
C15
1µF
R4
5K
3.5µH
732K
2.2K
R9
R8
L2
+
+
C1-C7
6 x 1000µF
C40
0.68µF
7 x 1000µF
C24-36
1µH
L1
+5V
AIC1571
GND
V
OUT1
IN
16