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ACE738D Datasheet(PDF) 4 Page - ACE Technology Co., LTD.

Part # ACE738D
Description  2A, 24V Synchronous Step-Down Converter
PDF  12 Pages
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Manufacturer  ACE [ACE Technology Co., LTD.]
Direct Link  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE738D Datasheet(HTML) 4 Page - ACE Technology Co., LTD.

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ACE738D
2A, 24V Synchronous Step-Down Converter
VER 1.1
4
Electrical Characteristics
(VIN=12V, TA=25℃,unless otherwise stated.)
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
VIN Under Voltage Lockout
Threshold
VIN_MIN
VIN falling
3.8
V
VIN Under Voltage Lockout
Hysteresis
VIN_MIN_HYST
VIN rising
300
mV
Shutdown Supply Current
ISD
VEN=0V
1
μA
Supply Current
IQ
VEN=5V, VFB=2V
50
μA
Feedback Voltage
VFB
0.895
0.923 0.951
V
Top Switch Resistance
RDS(ON)T
170
mΩ
Bottom Switch Resistance
RDS(ON)B
110
mΩ
Top Switch Leakage Current
ILEAK_TOP
VIN=24V, VEN=0V, VSW=0V
0.5
uA
Bottom Switch Leakage Current
ILEAK_BOT
VIN=24V, VEN=0V, VSW=0V
0.5
uA
Top Switch Current Limit
ILIM_TOP
Minimum Duty Cycle
3.5
A
Switch Frequency
FSW
500
kHz
Minimum On Time
TON_MIN
100
ns
Minimum Off Time
TOFF_MIN
VFB=0.85V
100
ns
EN shut down threshold voltage
VEN_TH
VEN falling, FB=0V
1.2
V
EN shut down hysteresis
VEN_HYST
VEN rising, FB=0V
100
mV
Thermal Shutdown
TTSD
145
℃
Temperature Hysteresis
THYS
19
℃



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