ISL6425 Datasheet, PDF (3/12 Pages) Intersil Corporation – Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs

Typical Application Schematic
VIN
C16
1uF
0
C17
47nF
0
C18 1n
C6
2
56uF
L2
33uH
0
Q2
1
FDS6612A
5
6
7
8
D2
STPS2L40U
C4
56uF
0
0
0
0
C8 1uF
1
2
3
PGND
NC
4
5
6
7
8
SGND
SEL18V
NC
BYP
PGND
GATE
CPSWOUT
NC
24
23
22
U1
ISL6425ER
NC
NC
AGND
VOUT
DSQIN
21
20
19
18
17
TCAP
0
R6
18
4
3
2
R5 100
1
R2
0.1 C2
100pF
0
C13
10uF
0
0
L3 4.7uH
1
2
C9 1.5n R8 68K
C10 33p
C14 C15
10uF 10uF
0
0
C20
0.22uF
0
R10 1k
R11 1k
0
D5 STPS2L40U
D3
STPS2L40U
0
C22
0.1uF
0
VLNB1
R13
100k
0
DSQIN1
SCL
SDA
SEL18V1