ISL6421 Datasheet, PDF (2/10 Pages) Intersil Corporation – Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs

Pinout
ISL6421
ISL6421ER (32 LEAD 5X5 QFN)
TOP VIEW
32 31 30 29 28 27 26 25
PGND 1
24 CPSWOUT
NC 2
23 NC
SGND 3
22 NC
SEL18V 4
21 NC
NC 5
20 AGND
BYPASS 6
19 VOUT
PGND 7
18 DSQIN
GATE 8
17 TCAP
9 10 11 12 13 14 15 16
Typical Application Schematic
VIN = 8V TO 14V
+ _C3
56µF
L1
33µH
D1
C4
1µF
C1
1µF
+ _C2
56µF
STPS2L40U
Q1
FDS6612A
R2
C11
R1
0.1
R3
C6
C5
VOUT
C10
ISL6421
VCC
SGND
GATE
CS
PGND
COMP
FB
VSW
VOUT
TCAP
SEL18V
DSQIN
ADDR
SDA
SCL
CPSWIN
CPSWOUT
CPVOUT
BYPASS
AGND
C11
C7
C8
C9
2