Beyond Innovation Technology Co., Ltd.
BIT3193
Features:
Pin Layout:
ꢀ
4.5V ~ 8V operation
16
1
ꢀ
Fixed High Frequency, Voltage Mode PWM Control
Topology
INN
CMP
MODSEL
ISEN
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Latched Off Protection
Build-In Low Frequency PWM Generator
Build-In UVLO
Low Power CMOS Process
Totem Pole Output
LOAD
CLAMP
PWMDC
CTPWM
PWMOUT
VDD
CTOSC
TIMER
ONOFF
GND
16 Pin Package
NOUT2
NOUT1
8
9
General Description:
Applications:
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.
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
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
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