LT1377IS8 データシートの表示（PDF） - Linear Technology

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LT1377IS8

500kHz and 1MHz High Efficiency 1.5A Switching Regulators

Linear Technology 

LT1372/LT1377

TYPICAL APPLICATIONS N

2 Li-Ion Cell to 5V SEPIC Converter

VIN

4V TO 9V

OFF ON 4 S/S

5

VIN VSW 8

L1A*

10µH

•

MBRS130LT3

+ C1

LT1372/LT1377

C2

FB 2

1µF

R2

18.7k

1%

33µF

20V

GND

VC

6, 7

1

L1B*

10µH

R1

2k

C4

0.047µF

C5

0.0047µF

R3

6.19k

1%

VOUT†

5V

C1 = AVX TPSD 336M020R0200

C2 = TOKIN 1E105ZY5U-C103-F

+ C3

C3 = AVX TPSD107M010R0100

*SINGLE INDUCTOR WITH TWO WINDINGS

100µF

10V

COILTRONICS CTX10-1

†MAX IOUT

IOUT VIN

0.45A 4V

0.55A 5V

0.65A 7V

0.72A 9V

LT1372 • TA07

PACKAGE DESCRIPTION Dimensions in inches (millimeters) unless otherwise noted.

0.300 – 0.325

(7.620 – 8.255)

N8 Package

8-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

0.045 – 0.065

(1.143 – 1.651)

0.130 ± 0.005

(3.302 ± 0.127)

0.400*

(10.160)

MAX

8

7

6

5

0.009 – 0.015

(0.229 – 0.381)

+0.025

0.325 –0.015

( ) 8.255

+0.635

–0.381

0.065

(1.651)

TYP

0.005

(0.127)

MIN

0.100 ± 0.010

(2.540 ± 0.254)

0.255 ± 0.015*

(6.477 ± 0.381)

0.125

(3.175)

MIN

0.018 ± 0.003

0.015

(0.380)

MIN

12

(0.457 ± 0.076)

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm)

34

N8 0695

S8 Package

8-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

0.010

(0.254

–

–

0.020

0.508)

×

45°

0.008 – 0.010

(0.203 – 0.254)

0.053 – 0.069

(1.346 – 1.752)

0°– 8° TYP

0.016 – 0.050

0.406 – 1.270

0.014 – 0.019

(0.355 – 0.483)

*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH

SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE

**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD

FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

BSC

0.228 – 0.244

(5.791 – 6.197)

0.189 – 0.197*

(4.801 – 5.004)

8

7

6

5

0.150 – 0.157**

(3.810 – 3.988)

SO8 0695

1

2

34

RELATED PARTS

PART NUMBER

LT1172

LTC®1265

LT1302

LT1376

LT1373

DESCRIPTION

100kHz 1.25A Boost Switching Regulator

12V 1.2A Monolithic Buck Converter

Micropower 2A Boost Converter

500kHz 1.5A Buck Switching Regulator

Low Supply Current 250kHz 1.5A Boost Switching Regulator

COMMENTS

Good for Up to VIN = 40V

Converts 5V to 3.3V at 1A with 90% Efficiency

Converts 2V to 5V at 600mA in SO8 Packages

Steps Down from Up to 25V Using 4.7µH Inductors

90% Efficient Boost Converter with Constant Frequency

12 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 q FAX: (408) 434-0507 q TELEX: 499-3977

LT/GP 0996 5K REV A • PRINTED IN THE USA

© LINEAR TECHNOLOGY CORPORATION 1995

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