ISL6421A_06 INTERSIL [Intersil Corporation], ISL6421A_06 Datasheet - Page 2

• Manufacturer Part Number: ISL6421A_06
• Description: Single Output LNB Supply and Control Voltage Regulator with I2C Interface for Advanced Satellite Set-top Box Designs
• Manufacturer: INTERSIL [Intersil Corporation]

Block Diagram
GATE
PGND
COMP
FB
VSW
VOUT
VCC
SGND
COUNTER
CS
SOFT-START
CS
AMP
ON CHIP
LINEAR
UVLO
POR
LOGIC SCHEME 1
OVERCURRENT
ILIM
PROTECTION
Q
LOGIC
COMPENSATION
PWM
INT 5V
SOFT-START
EN
S
∑
SLOPE
CLK
OLF
DCL
OC
-
-
VREF
SEL18V
+
-
REF VOLTAGE
BAND GAP
VOLTAGE
REF
ADJ
ISEL
ENT
OTF
EN
BGV
TONE
LLC
CKT
INJ
OLF
INTERFACE
OTF
CHARGE PUMP
VSEL
I
CLK
2
C
SHUTDOWN
WAVE SHAPING
CPSWOUT
THERMAL
÷ 10 AND
220kHz
22kHz
TONE
OSC.
ADDR
SDA
SCL
DCL
ENT
CPVOUT
CPSWIN
DSQIN
ADDR
SDA
SCL