TD1583P_06 View Datasheet(PDF) - Unspecified
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Description
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TD1583P_06 Datasheet PDF : 13 Pages
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3A 380KHZ 28V PWM Buck DC/DC Converter
Datasheet
TD1583
maximum rating conditions for extended periods may affect reliability.
Recommended Operating Conditions
Parameter
Input Voltage
Operating Junction Temperature
Operating Ambient Temperature
Symbol
VIN
TJ
TA
Min.
3.6
-40
-40
Max.
Unit
28
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
Supply Current
ICC
VEN=2V, VFB=1.3V
Feedback Voltage
Feedback Bias Current
Switch Current Limit
VFB
VIN = 3.6V to 23V
IFB
VFB=1.3V
ILIM
Oscillator Frequency
Frequency of Current
Limit or Short Circuit
Protection
FOSC
FOSC1
VFB=0V
EN Pin Threshold
VEN
EN Pin Input Leakage IH
Current
IL
Internal PMOS RDSON
RDSON
Max. Duty Cycle
Efficiency
DMAX
η
Thermal Shutdown
TOTSD
VEN=2.5V
VEN=0.5V
VIN =12V, VFB=0V
VEN=12V, Iout=3A
VFB=0V, ISW=0.1A
VIN=12V ,Vout=5V
Iout=3A
Min. Typ. Max. Unit
3.6
28 V
30 90 uA
3.6 4 mA
1.185 1.222 1.26 V
0.1 0.5 uA
4
5A
320 380 440 KHz
42
KHz
0.7 1.2 1.7 V
-0.1 -1 uA
-3 -10 uA
80
mΩ
100
%
- 92 - %
165
ºC
September, 2006
4
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