LTC4009CUF-2 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC4009CUF-2

High Efficiency, Multi-Chemistry Battery Charger

Linear Technology 

1 2 3 4 5 6 7 8 9 10 Next

LTC4009

LTC4009-1/LTC4009-2

Block Diagram (LTC4009-1/LTC4009-2)

DCIN

3

CLP

2

CLN

1

ICL

4

CHRG

8

FVS1

10

FVS0

9

BAT

11

INPUT

CURRENT

LIMIT

C/10

DETECTION

OUTPUT

VOLTAGE

SELECT

VFB

CC

BOOST AND

OV DETECTION

EA

CA

R1

DCDIV

5

ACP

7

SHDN

6

OSCILLATOR

TO

INTERNAL CIRCUITS

1.2085V

REFERENCE

CHARGE

SHUTDOWN SHUTDOWN

CONTROL

TO

INTERNAL

CIRCUITS

OVERVOLTAGE

PWM

LOGIC

TO

INTERNAL

CIRCIUTS

5V

REGULATOR

CSP

15

CSN 14

PROG 13

ITH

12

BOOST 20

TGATE 19

SW 18

INTVDD

17

BGATE

16

GND 21

4009 BD02

4009fd

10

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