ISL6423 Datasheet, PDF (4/16 Pages) Intersil Corporation – Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-Top Box Designs DiSEqC 2.0 Compatible

Typical Application Schematic QFN
C27 0.22µF
C23
56µF
0
0
R10
18
C26 1µF
0
2
L5
15µH
1
D5
CMS06
TPC6002
Q2
R9
470
R8 C21
0.1 100pF
C22
56µF
0
0
0
L6 4.7µH
1
2
C18
10µF
C19
10µF
0
0
C20
10µF
0
C24
1µF
0
C29
1n _{C25 47n}
0
1
2
3
4
5
6
SGND
TCAP
ADDR0
U2
ADDR1 ISL6423ER
BYPASS
PGND
EXTM
SDA
SCL
TDOUT
TDIN
VO
18
17
16
15
14
13
C16
10n
D7 CMS06
0
R11
100
R12 100
D6
CMS06
C28
R23
0.1µF
10k
L4 220µH
1
2
C15 0.22µF
R7 15
M6
NDS356AP
R24
4.7k
R13 4.7k
R22
47k
Q4
2N2222A
VIN
RTN
FLT BAR
EXTM
SDA
SCL
VLNB
D8
1.5KE24
RTN
TXT
TDOUT
SELVTOP
NOTE : SDA and SCL require pull up to the required logic level.