isl6422b Intersil Corporation, isl6422b Datasheet - Page 3
isl6422b
Manufacturer Part Number
isl6422b
Description
Dual Output Lnb Supply And Control Voltage Regulator With I2c Interface For Advanced Satellite Set-top Box Designs
Manufacturer
Intersil Corporation
Datasheet
1.ISL6422B.pdf
(18 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
isl6422bERZ
Manufacturer:
INTERSIL
Quantity:
20 000
Company:
Part Number:
isl6422bERZ-T
Manufacturer:
Intersil
Quantity:
50
20,21
19,32
Block Diagram
NOTE:
15
23
22
14
24
12
11
2
1. Pinouts shown are for the QFN package.
AGND
TDOUT1
GATE1
PGND1
VSW1
VO1
VCC
SGND
COUNTER
CS1
TDIN1
DECODER
TONE
SOFT-START
10
CS
AMP
ON CHIP
LINEAR
UVLO
POR
LOGIC SCHEME 1
ILIM1
OVERCURRENT
PROTECTION
TXT1
Q
LOGIC
COMPENSATION
PWM
INT 5V
SOFT-START
EN1/EN2
S
∑
SLOPE
CLK1
OLF1
DCL1
OC1
16
-
-
VREF1
17
+
-
REF VOLTAGE
BAND GAP
VOLTAGE
ADJ1
REF
18
SDA
ISEL1L AND
ISEL1H
ENT1
OTF
EN1
BGV
5
TONE
CKT 1
VTOP1 VBOT1
INJ
SCL
6
9
ADDR1
CLK1
8
EXT TONE CKT
OLF1
WAVE SHAPING
ENT1
INTERFACE
DIV AND
1.1MHz
TONE
OSC.
FLT
I
INT
1
2
4
C
OLF2
CLK2
ENT2
ADDR0
VBOT2 VTOP2
7
ISEL2L AND
33
OUVF11
CKT 2
TONE
INJ
ISEL2H
OUVF2
ENT2
35
DCL
EN2
OTF
OC2
DCL2
OLF2
SHUTDOWN
VOLTAGE
THERMAL
CLK2
ADJ2
BGV
REF
+
-
LOGIC SCHEME 2
OVERCURRENT
-
PROTECTION
LOGIC
PWM
COMPENSATION
S
VREF2
CHARGE PUMP
Q
SLOPE
∑
-
27
CPVOUT
ILIM2
AMP
26
DECODER
CS
CPSWOUT
TONE
COUNTER
SELVTOP2
CPSWIN
TDOUT2
PGND2
GATE2
TDIN2
VSW2
CS2
VO2
39
40
36
34
37
30,31
28
25
29