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ACE740E Scheda tecnica(PDF) 3 Page - ACE Technology Co., LTD.

Il numero della parte ACE740E
Spiegazioni elettronici  4A, 18V High Efficiency Synchronous Step-Down Converter
PDF  8 Pages
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Produttore elettronici  ACE [ACE Technology Co., LTD.]
Homepage  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE740E Scheda tecnica(HTML) 3 Page - ACE Technology Co., LTD.

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ACE740E
4A, 18V High Efficiency Synchronous Step-Down Converter
VER 1.1
3
Typical Application
4A Wide Input Step Down Synchronous Converter
Electrical Characteristics
(Vin=12V, TA=25℃)
Parameter
Test Conditions
Min
Typ
Max
Unit
Input Voltage Range
4.2
18
V
Input UVLO
Rising, Hysteresis=140mV
3.55
V
Input Supply Current
VFB =1.0V
1.6
mA
Input Shutdown Current
6
uA
FB Feedback
Voltage
0.904
0.923
0.942
V
FB Input Current
0.01
uA
Error Amp Transconductance
800
uS
Switching Frequency
340
KHz
High side Switch On Resistance
lSW=200mA
90
mΩ
Low side Switch On Resistance
lSW=200mA
85
mΩ
High side Switch Current Limit
5
A
SW Leakage Current
VIN=12V,VSW=0 or 12V, EN=
GND
10
uA
EN Input Current
1
uA
EN Input Low Voltage
0.5
uA
EN Input High Voltage
1.5
V
Thermal Shutdown
Hysteresis=40°C
150
°C
ACE740E



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