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ACE7255E Datasheet(PDF) 4 Page - ACE Technology Co., LTD.

Part # ACE7255E
Description  24V, 2A, Forced PWM Synchronous Step-Down Converter
PDF  9 Pages
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Manufacturer  ACE [ACE Technology Co., LTD.]
Direct Link  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE7255E Datasheet(HTML) 4 Page - ACE Technology Co., LTD.

  ACE7255E Datasheet HTML 1Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 2Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 3Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 4Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 5Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 6Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 7Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 8Page - ACE Technology Co., LTD. ACE7255E Datasheet HTML 9Page - ACE Technology Co., LTD.  
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ACE7255E
24V, 2A, Forced PWM Synchronous Step-Down Converter
VER 1.1
4
Electrical Characteristics
VIN = 12V, unless otherwise specified. Typical values are at TA=25°C
Parameter
Conditions
Min
Typ
Max
Unit
Input Voltage Range
4.2
24
V
Input UVLO
Rising, Hysteresis=340mV
4.2
V
Input Supply Current
Vin=12V, Iout=0, Vfb=0.85V,
no switching
750
µA
Input Shutdown Current
7
14
µA
FB Voltage
0.784
0.8
0.816
V
FB Input Current
0
1
µA
Switching Frequency
1000
kHz
Maximum Duty Cycle
99
%
Short Circuit Hiccup Time
On Time
2
mS
Off Time
6
mS
FB Hiccup Threshold
0.2
V
High Side Switch On Resistance
160
mΩ
Low Side Switch On Resistance
95
mΩ
High Side Current Limit
3.5
A
SW Leakage Current
IN=SW=12V
20
µA
EN Rising Threshold
1.5
V
EN Falling Threshold
1.3
V
EN Input Current
V
EN=2V
1
uA
Thermal Shutdown
Rising, Hysteresis =40°C
150
°C



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