LTC4234

2

4234fa

For more information www.linear.com/LTC4234

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

Input Voltages

FB, OV, UV ..............................................–0.3V to 12V

TIMER................................................... –0.3V to 3.5V

Output Voltages

PG, FLT ................................................. –0.3V to 35V

GATE (Note 3)........................................ –0.3V to 33V

Operating Ambient Temperature Range

LTC4234C................................................ 0°C to 70°C

LTC4234I .............................................–40°C to 85°C

LTC4234H.......................................... –40°C to 125°C

Junction Temperature (Notes 4, 5)........................ 150°C

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

(Notes 1, 2)

17 18 19

TOP VIEW

39

40

SENSE

WHH PACKAGE

38-LEAD (5mm

× 9mm) PLASTIC QFN

20 21 22

8

7

6

5

4

3

2

1

UV

OV

TIMER

GND

SENSE (DNC)

OUT

OUT

OUT

OUT

OUT

OUT

OUT

OUT

FB

FLT

PG

GATE

SENSE

OUT

OUT

OUT

OUT

OUT

OUT

OUT

OUT

9

10

11

12

13

14

15

16

31

32

33

34

35

36

37

38

30

29

28

27

26

25

24

23

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4234CWHH#PBF

LTC4234CWHH#TRPBF

4234

38-Lead (5mm

× 9mm) Plastic QFN

0°C to 70°C

LTC4234IWHH#PBF

LTC4234IWHH#TRPBF

4234

38-Lead (5mm

× 9mm) Plastic QFN

–40°C to 85°C

LTC4234HWHH#PBF

LTC4234HWHH#TRPBF

4234

38-Lead (5mm

× 9mm) Plastic QFN

–40°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

Consult LTC Marketing for information on nonstandard lead based finish parts.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/