FA5640 Datasheet, PDF (3/35 Pages) Fuji Electric – Fuji Switching Power Supply Control IC

FA5640/41/42
Contents
1. Overview
・・・・・・・・・・・・・・・・・ 4
2. Features
・・・・・・・・・・・・・・・・・ 4
3. Outline drawings
・・・・・・・・・・・・・・・・・ 4
4. Block diagram
・・・・・・・・・・・・・・・・・ 5-6
5. Functional description of pins ・・・・・・・・・・・・・・・・・ 7
6. Rating and Characteristics
・・・・・・・・・・・・・・・・・ 7-12
7. Characteristic curve
・・・・・・・・・・・・・・・・・ 13-17
8. Basic operation
・・・・・・・・・・・・・・・・・ 18
9. Description of the function
・・・・・・・・・・・・・・・・・ 19-24
10. How to use pin and advice designing ・・・・・・・・・・・・・・・ 25-33
11. Precautions for pattern design ・・・・・・・・・・・・・・・・・ 34
12. Example of application circuit ・・・・・・・・・・・・・・・・・ 35
Caution)
・The contents of this note will subject to change without notice due to improvement.
・The application examples or the components constants in this note are shown to help your design,
and variation of components and service conditions are not taken into account. In using these
components, a design with due consideration for these conditions shall be conducted.
Fuji Electric Co., Ltd.
AN-064E Rev.1.1
April 2011
3
http://www.fujielectric.co.jp/products/semiconductor/