isl6423 Intersil Corporation, isl6423 Datasheet - Page 3

• Manufacturer Part Number: isl6423
• Description: Single Output Lnb Supply And Control Voltage Regulator With I2c Interface For Advanced Satellite Set-top Box Designs, Diseqc 2.0 Compatible
• Manufacturer: Intersil Corporation

Block Diagram
NOTE:
1. Pinouts shown are for the QFN package.
15
14
13
12
22
6
9
8
1
7
TDOUT
GATE
PGND
VSW
VO
AGND
VCC
SGND
COUNTER
CS
TDIN
DECODER
TONE
SOFT-START
CS
AMP
5
ON CHIP
LINEAR
UVLO
POR
LOGIC SCHEME 1
ILIM1
OVERCURRENT
PROTECTION
LOGIC
Q
COMPENSATION
PWM
INT 5V
SOFT-START
EN1/EN2
S
∑
TXT
TTH
SLOPE
CLK1
OLF/BCF
DCL
OC1
-
10
-
VREF1
11
+
-
REF VOLTAGE
BAND GAP
VOLTAGE
ADJ1
REF
ISELL&H
ENT
2
EN
BGV
SDA
17
TONE
CKT
VTOP VBOT
INJ
SCL
16
18
CLK1
EXT TONE CKT
WAVE SHAPING
OLF/BCF
ENT1
INTERFACE
TONE
OSC.
DIV &
I
INT
2
C
20
ADDR0
3
21
ADDR1
4
CHARGE PUMP
OUVF
DCL
OTF
TTH
19
CPVOUT
SHUTDOWN
THERMAL
23