LTC4269-1

2

42691fb

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

SHDN ....................................................... –0.3V to 100V

PWRGD Voltage (Note 3)

Sink Current.........................................................5mA

PWRGD, T2P Voltage............................... –0.3V to 100V

PWRGD, T2P Sink Current.....................................10mA

Pins with Respect to GND

Low Impedance Source ....................... –0.3V to +18V

Sink Current.......................................................30mA

FB Current..............................................................±2mA

Operating Ambient Temperature Range

LTC4269C-1 ................................................. 0°C to 70°C

LTC4269I-1 .............................................. –40°C to 85°C

(Notes 1, 2)

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

33

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

NC

PWRGD

PWRGD

NC

NC

PG

PGDLY

UVLO

SHDN

T2P

NC

NC

NC

SG

ENDLY

SYNC

SFST

OSC

FB

TOP VIEW

DKD32 PACKAGE

32-LEAD (7mm × 4mm) PLASTIC DFN

GND, EXPOSED PAD (PIN 33) MUST BE SOLDERED TO A

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC4269CDKD-1#PBF

LTC4269CDKD-1#TRPBF

42691

32-Lead (7mm

× 4mm) Plastic DFN

0°C to 70°C

LTC4269IDKD-1#PBF

LTC4269IDKD-1#TRPBF

42691

32-Lead (7mm

× 4mm) Plastic DFN

–40°C to 85°C

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