LTC3252

11

3252f

PACKAGE DESCRIPTIO

DE/UE Package

12-Lead Plastic DFN (4mm

× 3mm)

(Reference LTC DWG # 05-08-1695)

4.00

±0.10

(2 SIDES)

3.00

±0.10

(2 SIDES)

NOTE:

1. DRAWING PROPOSED TO BE A VARIATION OF VERSION

(WGED) IN JEDEC PACKAGE OUTLINE M0-229

2. ALL DIMENSIONS ARE IN MILLIMETERS

3. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE

MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE

4. EXPOSED PAD SHALL BE SOLDER PLATED

0.38

± 0.10

BOTTOM VIEW—EXPOSED PAD

1.70

± 0.10

(2 SIDES)

0.75

±0.05

R = 0.115

TYP

R = 0.20

TYP

0.25

± 0.05

3.30

±0.10

(2 SIDES)

1

6

12

7

0.50

BSC

PIN 1

NOTCH

PIN 1

TOP MARK

0.200 REF

0.00 – 0.05

(UE12/DE12) DFN 0802

0.25

± 0.05

3.30

±0.05

(2 SIDES)

RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS

1.70

±0.05

(2 SIDES)

2.24

±0.05

0.50

BSC

0.58

±0.05

3.40

±0.05

PACKAGE OUTLINE

LTC3252

Li-ION

OUT1

1.2V

250mA

OUT2

1.5V

250mA

3252 TA02

4.7

µF

4.7

µF

4.7

µF

261k

OUT1

FB1

1

µF

OFF ON

EN1

EN2

GND

FB2

OUT2

OFF ON

1

µF

510k

470k

510k

11

3

9

2

10

5

8

4

12

6

7

1

TYPICAL APPLICATIO

Li-Ion to 1.5V/1.2V Outputs

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.