8

LTC1329-10/

LTC1329-50/LTC1329A-50

1329f LT/TP 0297 5K • PRINTED IN USA

©LINEAR TECHNOLOGY CORPORATION 1997

Linear Technology Corporation

Digitally Controlled Power Supply Adjustment

1

2

8

7

SHDN

CLK

LTC1329-50

GND

CS

47

µF

1329 TA03

5V (150mA) TO

30V (14mA)

3V

510k

3

4

6

5

100

µF

LT1107

1N5817

L1*

33

µH

*COILTRONICS CTX33-4

FB

SW2

GND

SW1

47

Ω

22k

MPU

(e.g., 8051)

P1.2

P1.1

P1.0

+

+

PART NUMBER

DESCRIPTION

COMMENTS

LTC1451

Higher Resolution, 8-Pin SO

LTC1452

Higher Resolution, 8-Pin SO

LTC8043

Higher Resolution, 8-Pin SO

RELATED PARTS

PACKAGE DESCRIPTIO

Dimensions in inches (millimeters) unless otherwise noted.

S8 Package

8-Lead Plastic Small Outline (Narrow 0.150)

(LTC DWG # 05-08-1610)

Pulse Mode: Increment-Only

(1-Wire Control by CLK) with Voltage Output

1

2

SHDN

CLK

100k

8

7

SHDN

CLK

LTC1329

6

7

2

3

4

GND

CS

1329 TA02

3

4

6

5

LT1006

0.1

µF

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)

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 0996

0.053 – 0.069

(1.346 – 1.752)

0.014 – 0.019

(0.355 – 0.483)

0.004 – 0.010

(0.101 – 0.254)

0.050

(1.270)

TYP

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

*

**