ISL6402A Datasheet, PDF (4/18 Pages) Intersil Corporation – 1.4MHz Dual, 180 Out-of-Phase, Step- Down PWM and Single Linear Controller

Typical Application Schematic
ISL6402A
+ _C1
+12V
D1
C2
C7
VOUT1
+1.2V
R1
L1
+ _C9
R2
SD1
C4
GATE3
ISEN1
21
13
C3
BOOT2
27
Q1A
LGATE2 ₂₆
LGATE1 ₂₅
R3 _{BOOT1 24}
OCSET2
7
SGND
9
C5
ISEN2
2
Q1A
3 ^PGOOD
4 ^VCC_5V
5 ^SD2
R4
Q1B
UGATE2 ₂₈
UGATE1 ₂₃
ISL6402A
(See Note)
Q2B
1 ^PHASE2
11 ^SYNC
SS1 ₁₈
PHASE1 ₂₂
FB2 ₈
SD1
19
R7
20 14
PGND
SGND
FB3
12
17 ^SGND
16 ^OCSET1
FB1
15
VIN
10
6
R10
SS2
R8
R9
VCC_5V
D2
C6
C8
L2
C10 ⁺
VOUT2
+3.3V
R5
R6
C11
VOUT2
+3.3V
R11
R12
Q3
VOUT3
+2.5V
+ _C12
R13
NOTE: Pin numbers correspond to the QFN pinout.
4
FN9010.3