27

LT1375/LT1376

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.

BOOST

LT1376-5

OUTPUT

5V

OUTPUT

* L1 IS A SINGLE CORE WITH TWO WINDINGS

COILTRONICS #CTX10-2P

** AVX TPSD107M010

PRELOAD OF 1k TO 5k MAY BE USED TO

IMPROVE LOAD REGULATION

INPUT

6V TO 25V

GND

1375/76 F20

C2

0.1

µF

0.01

µF

470

Ω

D1

1N5818

C1**

100

µF

10V TANT

C5**

100

µF

10V TANT

C3

22

µF

35V TANT

C4**

100

µF

10V TANT

D2

1N914

D3

1N5818

L1*

10

µH

L1*

SENSE

BIAS

GND

SHDN

+

+

+

+

Figure 20. Dual Output SEPIC Converter

Dimensions in inches (millimeters) unless otherwise noted.

N8 Package

8-Lead PDIP (Narrow 0.300)

(LTC DWG # 05-08-1510)

N8 1197

0.100

± 0.010

(2.540

± 0.254)

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

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

()

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)