LTC4097 データシートの表示（PDF） - Linear Technology

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LTC4097

USB/Wall Adapter Standalone Li-Ion/Polymer Battery Charger

Linear Technology 

LTC4097

BLOCK DIAGRAM

VNTC

3

R1

RNOM

R2

DCIN

1

–

TOO COLD

+

CC/CV

REGULATOR

+

NTC

6

RNTC

R3

R4

+

4.2V –

–

TOO HOT

DCIN UVLO

+

BAT –

+

NTC_EN

–

SUSPEND

BAT

12

DCON

USBON

CC/CV

REGULATOR

USBIN

2

4V

USBIN UVLO

BAT

10mA MAX

CHRG 4

SUSP 5

LOGIC

RECHRG

TRICKLE

TERM

RSUSP

4.1V

RECHARGE

RHPWR

7 HPWR

TRICKLE

CHARGE

TERMINATION

BAT

2.9V

DC_ENABLE

USB_ENABLE

CHARGER CONTROL

100mV

IBAT/1000

IBAT/1000

IBAT/1000

THERMAL

REGULATION

AND

SHUTDOWN

ITERM

8

RITERM

IDC

10

RIDC

IUSB

9

GND 11, 13

RIUSB

TDIE

115°C

150°C

4097 BD

4097f

10

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