ISL6422B View Datasheet(PDF) - Renesas Electronics
Part Name
Description
Manufacturer
ISL6422B Datasheet PDF : 19 Pages
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Block Diagram
17
COUNTER
OVERCURRENT
PROTECTION
LOGIC SCHEME 1
OLF1
DCL1
12
GATE1
PWM
LOGIC
Q
S
CLK1
OC1
PGND1
11
CS ILIM1
AMP
15
CS1
SLOPE
COMPENSATION
TDOUT1
23
TONE
DECODER
22
TDIN1
TXT1
VREF1
14
VSW1
20,21
19,32
VO1
AGND
24
VCC
ON CHIP
LINEAR
UVLO
2
SGND
POR
SOFT-START
INT 5V
SOFT-START
EN1/EN2
10
16
NOTE:
1. Pinouts shown are for the QFN package.
56
8
4
7
OLF2
DCL2
OVERCURRENT
PROTECTION
LOGIC SCHEME 2
COUNTER
SDA SCL ADDR1
OC2
ADDR0OUVFO11UVF2
CLK2
PWM
LOGIC
Q
S
GATE2
39
PGND2
40
ISEL1L AND
ISEL1H
EN1
ENT1
OLF1 FLT OLF2
I2C
INTERFACE
ISEL2L AND
ISEL2H
EN2
ENT2
ILIM2 CS
AMP
CS2
36
OTF
VTOP1 VBOT1
DCL
VBOT2 VTOP2
SLOPE
COMPENSATION
BAND GAP
REF VOLTAGE
REF
VOLTAGE
ADJ1
BGV
CLK1
OSC.
1.1MHz
CLK2
DIV AND
WAVE SHAPING
TONE
INJ
CKT 1
INT
TONE
TONE
INJ
CKT 2
BGV
REF
VOLTAGE
ADJ2
VREF2
SELVTOP2
34
VSW2
37
+-
+-
VO2
30,31
EXT TONE CKT
ENT1
ENT2
TDOUT2
28
TONE
DECODER
TDIN2
29
OTF
THERMAL CHARGE PUMP CPSWIN
SHUTDOWN
25
CPVOUT CPSWOUT
18
9
1
33 35
27
26
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