LTC4078XEDD 查看數據表（PDF） - Linear Technology

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LTC4078XEDD

Dual Input Li-Ion Battery Charger with Overvoltage Protection

Linear Technology 

LTC4078/LTC4078X

BLOCK DIAGRAM

DCIN

10

PWR 4

TRICKLE

CHARGE*

2.9V +

BAT –

CC/CV

REGULATOR

BAT

9

DC_ENABLE USB_ENABLE

CHARGER CONTROL

TRICKLE

DISABLE

CC/CV

REGULATOR

USBIN

1

VBOC

7 BATDET

1.75V

+

4.15V

–

DCIN UVLO

+

BAT –

USBIN UVLO

3.95V

BAT

ENABLE 6

+

6V –

DCIN OVLO

+

2M

0.9V –

4.075V

+

BAT –

RECHARGE

USBIN OVLO

THERMAL

REGULATION

6V

TDIE

120°C

CHRG 5

TERMINATION

0.1V

IBAT/1000

IBAT/1000

GND ITERM

11

3

RITERM

IDC

8

RIDC

IBAT/1000

IUSB

2

RIUSB

4078X BD

*TRICKLE CHARGE DISABLED ON THE LTC4078X

4078xfb

8

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