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ACE728E Datasheet(PDF) 4 Page - ACE Technology Co., LTD.

Part # ACE728E
Description  42V Input Standoff Voltage, Step-Down LED Driver
PDF  8 Pages
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Manufacturer  ACE [ACE Technology Co., LTD.]
Direct Link  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE728E Datasheet(HTML) 4 Page - ACE Technology Co., LTD.

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ACE728E
42V Input Standoff Voltage, Step-Down LED Driver
VER 1.1
4
Parameter
Conditions
Min
Typ
Max
Unit
Maximum Duty Cycle
90
%
Fold-Back Frequency
170
KHz
High side Switch
ON Resistance
ISW=200mA
300
mΩ
High side Switch Current
Limit
1.5
A
SW Leakage Current
VIN=12V, VSW=0, EN=GND
10
uA
EN Input Current
VIN=12V, VEN=5V
1
5
uA
EN Input Low Voltage
Rising, Hysteresis=100mV
0.8
1.1
1.4
V
Thermal Shutdown
Hysteresis=40℃
150
℃
Typical Characteristics
(Typical values are at TA=25°C unless otherwise specified)
1LED,Efficiency Vs,lout
6LEDs,Efficiency Vs,lout
Switching Waveform
Switching Waveform
Vin=12V,6LEDs,lOUT=1A
Vin=12V,6LEDs,Output ShortCircuit Recovery
DSO-X-3014A,MY52161418:Thu Nov 13 11:20:46 2014
DSO-X-3014A,MY52161418:Thu Nov 13 13:57:16 2014



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