TD1509 データシートの表示（PDF） - Unspecified
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TD1509 Datasheet PDF : 17 Pages
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Techcode®
2A 150KHz PWM Buck DC/DC Converter
Electrical Characteristics
DATASHEET
TD1509
Specifications with boldface type are for full operationg temperature range, the other type are for TJ=25OC.
Note1: Thermal resistance with copper area of approximately 3 in2.
Parameters
Feedback bias current
Quiescent current
Standby quiescent current
Oscillator frequency
Saturation voltage
Current Limit
Output leakage current
Output leakage current
ON/OFF pin logic input
Threshold voltage
ON/OFF pin input current
Thermal Resistance
Junction to Case
Thermal Resistance
Junction to Ambient
(Note1)
Symbol
Ib
IQ
ISTBY
FOSC
VSAT
ICL
IL
IL
VIL
VIH
Test Condition
Adjustable only,
VFB=1.3V
VFB=12V force driver
off
ON/OFF=5V, VIN=36V
IOUT=3A
Peak Current (VFB=0V)
Output=0V (VFB=12V)
Output=-1V (VIN=36V)
Low (Regulator ON)
Min.
127
Typ. Max. Unit
10 50/100 nA
5
10
mA
80 200/250 uA
150
173
KHz
1.2 1.4/1.5 V
3.8
4.2
A
50
uA
2
30
mA
1.3
0.6
V
IH
High (Regulator OFF)
2.0
1.3
V
IL
VLOGIC=2.5V(Regulator
OFF)
5
15
uA
VLOGIC=0.5V(Regulator
ON)
0.02
5
uA
θJC
45
OC/W
θJA
85
OC/W
December, 20, 2005.
Techcode Semiconductor Limited
5
www.techcodesemi.com
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