YOUDA INTEGRATED CIRCUIT
YD34063
DC TO DC CONVERTER CONTROLLER鈥擸D34063
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
T1
2
A
3
4
C
IS
CT
OSCILLATOR
+
COMP.
-
T2
Q
S
R
D
7
8
6
5
B
1.25Vref
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117
86-510-85205106
Fax: 86-510-85205110 Website: www.e-youda.com
SHENZHEN OFFICE Tel錛?86-755-83740369
Fax錛?86-755-83741418
Ver 5.0
1 of 4
2006-7-10