LX2172/73

PRODUCT DA T ABOOK 1996/1997

Copyright © 1998

Rev. 0.4

a 12/04

6

THEOR Y OF OPERATION

PRELIMINARY DATA - Information contained in this document is pre-production data, and is proprietary to Linfinity. It may

not modified in any way without the express written consent of Linfinity. Product referred to herein is offered in sample form

only, and Linfinity reserves the right to change or discontinue this proposed product at any time.

FIGURE 1 — Boost Coverter Circuit Using The LX2172 / 2173

LX2172

8

7

6

5

4

3

2

1

GND

V

C

FB

SYNC

E

2

V

SW

E

1

V

IN

V

IN

+3V to +12V

V

OUT

+16V

100

Ω

22µF

180µH

V

IN

1N5817

V

IN

1.27

Ω

14.7k

Ω

V

OUT

0.03µF