YD34063 Datasheet, PDF (1/4 Pages) Wuxi Youda electronics Co.,LTD – DC TO DC CONVERTER CONTROLLER

YOUDA INTEGRATED CIRCUIT
YD34063
DC TO DC CONVERTER CONTROLLER—YD34063
DESCRIPTION
The YD34063 is a monolithic regulator subsystem intended for use as DC to DC converter: This device contains
a temperature compensated band-gap reference, a duty-cycle control oscillator, driver and high current output switch.
FEATURES
*Operation From 3.0V to 40V
*Short Circuit Current Limiting
*Low Standby Current
*Output Switch Current Of 1.5A Without External Transistors
*Frequency Of Operation From 100Hz to 100kHz
*Step-up, Step-down or Inverting Switch Regulators
BLOCK DIAGRAM
E
1
T2
Q
S
R
T1
8
D
2
C
7
A _CT
IS
3
OSCILLATOR
6
4 1.25Vref
+
COMP.
-
B
5
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: [phone] Fax: [phone] Website: www.e-youda.com
SHENZHEN OFFICE Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
1 of 4
2006-7-10