AIC1571 Datasheet, PDF (16/18 Pages) Analog Intergrations Corporation – 5-bit DAC, Synchronous PWM Power Regulator with Dual Linear Controllers

AIC1571
APPLICATION CIRCUIT
+12V_IN
R15
10
VCC ₁
C16
2.2µF
+3.3V_IN
Q3
20N03HL
V_OUT3
1.5V
+
C45-46
4 x 1000µF
VIN2 ₁₂
GATE3 ₁₅
R11
FB3
16
1.87K
R12
10K
Q4
20N03HL
GATE2 ₁₃
VOUT2
1.8V
C47-48
2 x 1000µF
R11
+ ^4.2K _R12
10K
FB2 ₁₁
RT
10
FAULT
8
PGOOD
7
SS
9
C48
14
40nF
C18
1000pF
R2
20
OCSET 2.2K
24 ^UGATE
Q1
23 ^PHASE
22 ^LGATE
21 ^PGND
Q2
D5820
+
C15
1µF
L1
1µH
C1-C7
6 x 1000µF
3.5µH
L2 ₊
C24-36
R4
7 x 1000µF
5K
19 ^VSEN
C40
+5V_IN
GND
V_OUT1
18 ^FB1
C41
10pF
17 ^COMP1
R8
2.2K
0.68µF
R10
160K
C42
2.2nF
R9
732K
6
VID0
5
VID1
4
VID2
3
VID3
2
VID4
Circuit 1 Motherboard Power application Circuit
16