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Wuxi Youda electronics
Wuxi Youda electronics

YD34063 Datasheet Preview

YD34063 Datasheet

DC TO DC CONVERTER CONTROLLER

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YD34063 pdf
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YOUDA INTEGRATED CIRCUIT
YD34063
DC TO DC CONVERTER CONTROLLERYD34063
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
T1
S
R
8
D
2C
A CT
IS
3 OSCILLATOR
4 1.25Vref
+
COMP.
-B
7
6
5
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 Tel86-755-83740369
Fax86-755-83741418
Ver 5.0
1 of 4
2006-7-10
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Wuxi Youda electronics
Wuxi Youda electronics

YD34063 Datasheet Preview

YD34063 Datasheet

DC TO DC CONVERTER CONTROLLER

No Preview Available !

YD34063 pdf
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YOUDA INTEGRATED CIRCUIT
YD34063
ABSOLUTE MAXIMUM RATINGS (Tamb=25)
PARAMETER
Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage
Switch Collector to Emitter Voltage
Driver Collector Voltage
Driver Collector Current
Switch Current
Power Dissipation
Operating Junction Temperature
Operating Temperature
Storage Temperature
SYMBOL
Vcc
Vi(comp)
Vc(sw)
Ve(sw)
Vce(sw)
Vc(dr)
Ic
Isw
PD
Tj
Tamb
Tstg
VALUE
40
-0.3 +40
40
40
40
40
-55100
1.5
1.25
150
070
-65150
UNIT
V
V
V
V
V
V
mA
A
W
ELECTRICAL CHARACTERISTICS (Tamb=070, Vcc=5.0V, Unless otherwise specified)
PARAMETER
Oscillator
Frequency
Charging Current
Discharging Current
Discharge to Charge
Current Ratio
Current Limit Sense
Voltage
Output Switch
Saturation Voltage
Saturation Voltage
DC Current Gain
Collector OFF Current
SYMBOL
fOSC
Ichq
Idischg
K
VIPK
Vce(sat)
Vce(sat)
hFE
Ic(off)
Threshold Voltage
Threshold Voltage
Line Regulation
Input Bias Current
Vth
Reg
IIB
TEST CONDITIONS
Vpin=0V, CT=1.0
Vpin5=5 to 40V
Vpin5=5 to 40V
V7=Vcc
MIN TYP MAX UNIT
24 33 42
24 35 42
140 190 260
5.2 6.1 7.5
kHz
μA
μA
250 300 350 mV
Isw=1.0A Vc(driver)=Vc(sw)
Isw=1.0A Vc(driver)=50mA
1.0 1.3
0.45 0.7
Isw=1.0A, Vce=5.0V
50 120
Vce=40.0V
Tamb=25
Tamb=0℃~70
0.01 100
1.225 1.25 1.275
1.21 1.29
Vcc=3.040V
1.4 5.0
V
V
μA
V
mV
Vin=0V
-40 -400 nA
WuXi YouDa Electronics Co., Ltd
2 of 4
Website: www.e-youda.com
DataSheet4 U .com




Wuxi Youda electronics
Wuxi Youda electronics

YD34063 Datasheet Preview

YD34063 Datasheet

DC TO DC CONVERTER CONTROLLER

No Preview Available !

YD34063 pdf
www.DataSheet4U.com
YOUDA INTEGRATED CIRCUIT
APPLICATION CIRCUIT
YD34063
WuXi YouDa Electronics Co., Ltd
DataSheet4 U .com
3 of 4
Website: www.e-youda.com




Part Number YD34063
Description DC TO DC CONVERTER CONTROLLER
Maker Wuxi Youda electronics
Total Page 4 Pages
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