TD1410CPR View Datasheet(PDF) - Unspecified
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TD1410CPR Datasheet PDF : 13 Pages
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1.8A 380KHZ 20V PWM Buck DC/DC Converter
Datasheet
TD1410C
Recommended Operating Conditions
Parameter
Input Voltage
Operating Junction Temperature
Operating Ambient Temperature
Symbol
VIN
TJ
TA
Min.
3
-40
-40
Max.
Unit
20
V
125
ºC
85
ºC
Electrical Characteristics
VCC = 12V, Ta = 25℃ unless otherwise specified.
Parameters
Symbol
Test Condition
Input voltage
VIN
Shutdown Supply Current ISTBY
VEN=0V
Min. Typ. Max. Unit
3
20 V
30 90 uA
Supply Current
ICC
VEN=2V, VFB=1.3V
3.6 4 mA
Feedback Voltage
Feedback Bias Current
Switch Current Limit
VFB
VIN = 3V to 20V 1.185 1.222 1.26 V
IFB
VFB=1.3V
0.1 0.5 uA
ILIM
2.5 3.5 A
Oscillator Frequency
Frequency of Current
Limit or Short Circuit
Protection
FOSC
FOSC1
VFB=0V
320 380 440 KHz
42
KHz
EN Pin Threshold
VEN
0.7 1.2 1.7 V
EN Pin Input Leakage IH
Current
IL
VEN=2.5V
VEN=0.5V
-0.1 -1 uA
-3 -10 uA
Internal PMOS RDSON
RDSON
VIN =12V, VFB=0V
VEN=12V, Iout=1.8A
140
mΩ
Max. Duty Cycle
DMAX
VFB=0V, ISW=0.1A
100
%
Efficiency
Thermal Shutdown
η
VIN=12V ,Vout=5V
-
92
-
%
Iout=1.8A
TOTSD
165
ºC
February, 2007 Rev 2.0
Techcode Semiconductor Limited
4
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