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BIT3193

High Performance PWM Controller

Unspecified 

Beyond Innovation Technology Co., Ltd.

Features:

4.5V ~ 8V operation

Fixed High Frequency, Voltage Mode PWM Control

Topology

Latched Off Protection

Build-In Low Frequency PWM Generator

Build-In UVLO

Low Power CMOS Process

Totem Pole Output

16 Pin Package

Applications:

DC/DC Converters

LCD TV

LCD Monitor

Notebook Computer

Tablet PC

Personal Digital Assistants

Navigation Devices (GPS Equipment)

Video Phone/ Door Phone

Portable consumer product

BIT3193

Pin Layout:

1

INN

CMP

LOAD

CTOSC

TIMER

ONOFF

GND

NOUT2

8

16

MODSEL

ISEN

CLAMP

PWMDC

CTPWM

PWMOUT

VDD

NOUT1

9

General Description:

BIT3193 integrated circuit provides the essential

features for general purpose PWM controller in a small low

cost 16-pin package. BIT3193 has built-in a low frequency

PWM generator for any specified application. BIT3193

includes latched off protection feature may make the system

more reliable while compare to other similar products.

Recommended Operating Condition:

Supply Voltage…………………………….4.5 ~ 8V

Operating Ambient Temperature………...0 ~ 70 ℃

Operating Frequency………………….….50K ~ 400K Hz

Functional Block Diagram:

04/11/08

Confidential, for authorized user only

page 2 of 10

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