MP3361 – 300V, 1A PEAK INTEGRATED PHOTO FLASH CHARGER AND IGBT DRIVER

MP3361 Rev. 0.9

www.MonolithicPower.com

4

4/13/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2010 MPS. All Rights Reserved.

PIN FUNCTIONS

Pin

Name

Function

1

RDYB

Open-Drain Power-Ready Output. RDYB becomes low when the output voltage is reached.

2

SW

Switch Pin. This is the drain of the internal power switch.

3

IGBTOUT

Output Drive for IGBT Gate. Connect this pin to the gate of the IGBT.

4

IGBTIN

Logic Input for IGBT Drive.

5,9

N/C

6

VIN

Input Supply Pin. Connect it to system supply voltage. Bypass VIN to GND with a 0.1uF or

greater ceramic capacitor.

7

GND

Ground

8

CHG

A Logic LOW disables the part. Logic Hi Enables the part

10

FB

Freeback Pin. Its trip voltage is 295V typical.