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LT1617

Micropower Inverting DC/DC Converters in SOT-23

Linear Technology 

LT1617/LT1617-1

TYPICAL APPLICATIO S

±20V Dual Output Converter with Load Disconnect

D3

VIN

1.5V TO 5V

C5

1µF

L1

10µH

C4

1µF

D2

D1

5

1

VIN

SW

LT1617

4

SHDN

3

NFB

C1

GND

4.7µF

2

D4

267k

24.9k

C1: TAIYO YUDEN LMK316BJ475

(408) 573-4150

C2, C3, C4: TAIYO YUDEN TMK316BJ105 (408) 573-4150

C5: TAIYO YUDEN LMK212BJ105

(408) 573-4150

L1: MURATA LQH3C100K24

(814) 237-1431

D1, D2, D3, D4: MOTOROLA MBR0530 (800) 441-2447

100pF

20V

4mA

C3

1µF

–20V

4mA

C2

1µF

1617/-1 TA04

PACKAGE DESCRIPTIO

2.60 – 3.00

(0.102 – 0.118)

1.50 – 1.75

(0.059 – 0.069)

Dimensions in millimeters (inches) unless otherwise noted.

S5 Package

5-Lead Plastic SOT-23

(LTC DWG # 05-08-1633)

0.00 – 0.15

(0.00 – 0.006)

0.90 – 1.45

(0.035 – 0.057)

2.80 – 3.00

(0.110 – 0.118)

(NOTE 3)

0.10 – 0.60

(0.004 – 0.024)

REF

0.09 – 0.20

(0.004 – 0.008)

(NOTE 2)

0.35 – 0.50

0.90 – 1.30

(0.014 – 0.020) (0.035 – 0.051)

FIVE PLACES (NOTE 2)

S5 SOT-23 0797

NOTE:

1. DIMENSIONS ARE IN MILLIMETERS

2. DIMENSIONS ARE INCLUSIVE OF PLATING

3. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR

4. MOLD FLASH SHALL NOT EXCEED 0.254mm

5. PACKAGE EIAJ REFERENCE IS SC-74A (EIAJ)

1.90

(0.074)

REF

0.95

(0.037)

REF

RELATED PARTS

PART NUMBER

DESCRIPTION

LT1307

Single-Cell Micropower 600kHz PWM DC/DC Converter

LT1316

Burst ModeTM Operation DC/DC with Programmable Current Limit

LT1317

2-Cell Micropower DC/DC with Low-Battery Detector

LT1610

Single-Cell Micropower DC/DC Converter

LT1611

1.4MHz Inverting Switching Regulator in 5-Lead SOT-23

LT1613

1.4MHz Switching Regulator in 5-Lead SOT-23

LT1615

Micropower DC/DC Converter in 5-Lead SOT-23

Burst Mode is a trademark of Linear Technology Corporation

COMMENTS

3.3V at 75mA from One Cell, MSOP Package

1.5V Minimum, Precise Control of Peak Current Limit

3.3V at 200mA from Two Cells, 600kHz Fixed Frequency

3V at 30mA fro 1V, 1.7MHz Fixed Frequency

– 5V at 150mA from 5V Input, Tiny SOT-23 Package

5V at 200mA from 3.3V Input, Tiny SOT-23 Package

20V at 12mA from 2.5V Input, Tiny SOT-23 Package

8

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com

16171f LT/TP 0200 4K • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 1999

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