12

LT1372/LT1377

2 Li-Ion Cell to 5V SEPIC Converter

LT1372/LT1377

GND

4V TO 9V

1

2

8

5

4

6, 7

FB

LT1372 • TA07

S/S

C1

33

µF

20V

C4

0.047

µF

C5

0.0047

µF

R1

2k

R3

6.19k

1%

R2

18.7k

1%

†

5V

C3

100

µF

10V

ON

OFF

4V

5V

7V

9V

0.45A

0.55A

0.65A

0.72A

L1A*

10

µH

•

•

L1B*

10

µH

C2

1

µF

C1 = AVX TPSD 336M020R0200

C2 = TOKIN 1E105ZY5U-C103-F

C3 = AVX TPSD107M010R0100

*SINGLE INDUCTOR WITH TWO WINDINGS

COILTRONICS CTX10-1

OUT

MBRS130LT3

+

+

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LT1370

High Efficiency DC/DC Converter

42V, 6A, 500kHz Switch

LT1767

1.5A, 1.25MHz Step-Down Switching Regulator

LT1374

High Efficiency Step-Down Switching Regulator

25V, 4.5A, 500kHz Switch

LTC1735-1

High Efficiency Step-Down Controller with Power Good

Output Fault Protection, 16-Pin SSOP and SO-8

LTC

Single Cell, High Current (2A), Micropower, Synchronous

3MHz Step-Up DC/DC Converter

from 100kHz to 3MHz

©LINEAR TECHNOLOGY CORPORATION 1995

sn13727 13727fbs LT/TP 0401 2K REV B • PRINTED IN THE USA

N8 Package

8-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

S8 Package

8-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

N8 1098

0.009 – 0.015

(0.229 – 0.381)

0.300 – 0.325

(7.620 – 8.255)

0.325

+0.035

–0.015

+0.889

–0.381

8.255

()

0.100

(2.54)

BSC

0.065

(1.651)

TYP

0.045 – 0.065

(1.143 – 1.651)

0.130

± 0.005

(3.302

± 0.127)

0.020

(0.508)

MIN

0.018

± 0.003

(0.457

± 0.076)

0.125

(3.175)

MIN

12

3

4

87

6

5

0.255

± 0.015*

(6.477

± 0.381)

0.400*

(10.160)

MAX

*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.

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

0.016 – 0.050

(0.406 – 1.270)

0.010 – 0.020

(0.254 – 0.508)

× 45°

0

°– 8° TYP

0.008 – 0.010

(0.203 – 0.254)

SO8 1298

0.053 – 0.069

(1.346 – 1.752)

0.014 – 0.019

(0.355 – 0.483)

TYP

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

BSC

1

2

3

4

0.150 – 0.157**

(3.810 – 3.988)

8

7

6

5

0.189 – 0.197*

(4.801 – 5.004)

0.228 – 0.244

(5.791 – 6.197)

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

*

**