LT3935

2

Rev. 0

For more information www.analog.com

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

ISP – ISN ...............................................................±0.3V

CTRL and FB............................................. –0.3V to 3.3V

PWM, SYNC/SPRD, and FAULT.................... –0.3V to 6V

and RP ............................................................... (Note 2)

Operating Junction Temperature Range (Notes 3, 4)

LT3935R............................................ –40°C to 150°C

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

Maximum Reflow (Package Body) Temp ..............260°C

(Note 1)

9 10

TOP VIEW

LQFN PACKAGE

28-LEAD (5mm × 4mm × 0.94mm)

EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB

11 12 13

28 27 26 25

29

GND

24

14

23

6

5

4

3

2

1

SS

FB

ISP

ISN

ISMON

FAULT

NC

GND

SW

SW

GND

NC

7

17

18

19

20

21

22

16

8

15

ORDER INFORMATION

PART NUMBER

PART MARKING

FINISH CODE PAD FINISH

PACKAGE TYPE*

MSL RATING TEMPERATURE RANGE

LT3935RV#PBF

3935V

e4

Au(RoHS)

LQFN (Laminate Package

with QFN Footprint)

3

–40°C to 150°C

• Contact the factory for parts specified with wider operating temperature

ranges.

• Pad finish code is per IPC/JEDEC J-STD-609.

• Parts ending with PBF are RoHS and WEEE compliant.

• Recommended LGA and BGA PCB Assembly and Manufacturing

Procedures

• LGA and BGA Package and Tray Drawings

*The LT3935 package has the same footprint as a standard 4mm × 5mm

QFN package