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TD1509PR Datasheet(PDF) 5 Page - TECHCODE SEMICONDUCTOR, INC.

Part # TD1509PR
Description  2A 150KHz PWM Buck DC/DC Converter
PDF  17 Pages
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Manufacturer  TECHCODE [TECHCODE SEMICONDUCTOR, INC.]
Direct Link  http://www.techcodesemi.com/
Logo TECHCODE - TECHCODE SEMICONDUCTOR, INC.

TD1509PR Datasheet(HTML) 5 Page - TECHCODE SEMICONDUCTOR, INC.

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December,  20,  2005.                                         Techcode  Semiconductor  Limited                                    www.techcodesemi.com 
5 
Techcode®
2A 150KHz PWM Buck DC/DC Converter
TD1509
DATASHEET
Electrical Characteristics 
Specifications with boldface type are for full operationg temperature range, the other type are for TJ=25
OC. 
Note1: Thermal resistance with copper area of approximately 3 in
2. 
 
Parameters
Symbol
Test Condition
Min.
Typ.
Max.
Unit
Feedback bias current
Ib
Adjustable only,
VFB=1.3V
10
50/100
nA
Quiescent current
IQ
VFB=12V force driver
off
5
10
mA
Standby quiescent current
ISTBY
ON/OFF=5V, VIN=36V
80
200/250
uA
Oscillator frequency
FOSC
127
150
173
KHz
Saturation voltage
VSAT
IOUT=3A
1.2
1.4/1.5
V
Current Limit
ICL
Peak Current (VFB=0V)
3.8
4.2
A
Output leakage current
IL
IL
Output=0V (VFB=12V)
50
uA
Output leakage current
Output=-1V (VIN=36V)
2
30
mA
ON/OFF pin logic input
Threshold voltage
VIL
VIH
Low (Regulator ON)
1.3
0.6
V
ON/OFF pin input current
IH
IL
High (Regulator OFF)
2.0
1.3
V
VLOGIC=2.5V(Regulator
OFF)
5
15
uA
VLOGIC=0.5V(Regulator
ON)
0.02
5
uA
Thermal Resistance
Junction to Case
θJC
45
OC/W
Thermal Resistance
Junction to Ambient
(Note1)
θJA
85
OC/W
 
 
 



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