Datasheet > DC1967A

DC1967A

更新时间： 2022-02-26 13:07:03

品牌	Logo	应用领域
凌特 - Linear		/
页数	文件大小	规格书
2页	98K
描述
400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER

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DC1967A 数据手册

REVISION HISTORY

DESCRIPTION

ECO REV

APPROVED

DATE

PRODUCTION FAB

GEORGE B. 9 - 17- 13

E10

VIN

10µF

5V - 40V

DFLZ39

39V

1.40MEG

50V

1210

JP2

RUN

R11

100k

R12

100k

VIN > 11V

OFF

DFLS240L

GND

412k

LTC4120-4.2EUD / LTC4120EUD

nFAULT

nCHRG

RUN

FAULT

C2S1

4700pF

DFLS240L

CHRG

C2S2

0.022µF

50V

0805

INTVCC

DFLS240L

INTVCC

50V

INTVCC

2.2µF

0805

BOOST

FREQ

C2P1

4700pF

6.3V

EMBEDDED INDUCTOR

DISCONNECTED

C2P2

1800pF

50V

0603

0.01µF

0603

1.5 MHz

750 kHz

JP3

15.0uH

FREQ

DHC

NTC

10k

50V

CONNECTED

CHGSNS

BAT

JP1

0805

43T

GND

Embedded

Inductor

VBAR

47µH

10uF

16V

0805

BAT

NTC

2.7 V - 11V

400mA

47uF

16V

1210

R12 TO BE CONNECTED TO " BAT "

NODE AT BAT TURRET (E6)

2.0k

BATSNS/FB

PROG

GND

R10

PROG

NC/FBG

GND

VPROG

OPT

3.01k

BAT

GND

ENTC

DF3-3P-2DSA

JP4

NTC

INT

EXT

ASSY

-A

R10

LTC4120 - 4.2EUD

LTC4120EUD

OPEN

0 Ohm

UNLESS NOTED:

-B

1.40MEG

1.05MEG

RESISTORS: OHMS, 0402, 1%, 1/16W

CAPACITORS: uF, 0402, 10%, 50V

10k

1630 McCarthy Blvd.

Milpitas, CA 95035

CUSTOMER NOTICE

APPROVALS

LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A

CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;

HOWEVER, IT REMAINS THE CUSTOMER'S RESPONSIBILITY TO

VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL

APPLICATION. COMPONENT SUBSTITUTION AND PRINTED

CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT

PERFORMANCE OR RELIABILITY. CONTACT LINEAR

www.linear.com

Phone: (408)432-1900

Fax: (408)434-0507

TECHNOLOGY

PCB DES.

APP ENG.

GEORGE B.

LTC Confidential-For Customer Use Only

TITLE: SCHEMATIC

400mA WIRELESS SYNCHRONOUS BUCK BATTERY CHARGER

SIZE

N/A

IC NO.

REV.

TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.

LTC4120 - 4.2EUD / LTC4120EUD

DEMO CIRCUIT 1967A - A / B

THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND

SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.

SCALE = NONE

DATE:

9 - 17 - 13

SHEET

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