LTC4012/

LTC4012-1/LTC4012-2

2

4012f

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

DCIN ........................................................... –14V to 30V

DCIN to CLP................................................ –32V to 20V

CLP, CLN or SW to GND ............................. –0.3V to 30V

CLP to CLN ............................................................±0.3V

CSP, CSN or BAT to GND ............................ –0.3V to 28V

CSP to CSN............................................................±0.3V

BOOST to GND........................................... –0.3V to 36V

(Note 1)

20 19 18 17 16

6

7

8

TOP VIEW

21

UF PACKAGE

20-LEAD (4mm

4mm) PLASTIC QFN

9

10

5

4

3

2

1

11

12

13

14

15

CLN

CLP

INFET

DCIN

ACP

CSP

CSN

PROG

ITH

BAT

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

20 19 18 17 16

6

7

8

TOP VIEW

21

UF PACKAGE

20-LEAD (4mm

4mm) PLASTIC QFN

9

10

5

4

3

2

1

11

12

13

14

15

CLN

CLP

INFET

DCIN

ACP

CSP

CSN

PROG

ITH

BAT

EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4012CUF#PBF

LTC4012CUF#TRPBF

4012

20-Lead (4mm

× 4mm) Plastic QFN

0°C to 85°C

LTC4012CUF-1#PBF

LTC4012CUF-1#TRPBF

40121

20-Lead (4mm

× 4mm) Plastic QFN

0°C to 85°C

LTC4012CUF-2#PBF

LTC4012CUF-2#TRPBF

40122

20-Lead (4mm

× 4mm) Plastic QFN

0°C to 85°C

Consult LTC Marketing for parts specified with wider operating temperature ranges.

Consult LTC Marketing for information on non-standard lead based finish parts.

LTC4012-1

LTC4012-2

BOOST to SW............................................... –0.3V to 7V

ACP, CHRG or ICL to GND ......................... –0.3V to 30V

Operating Temperature Range

(Note 2)........................................................ 0°C to 85°C

Junction Temperature (Note 3) ............................. 125°C

Storage Temperature Range...................–65°C to 150°C

LTC4012