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ACE722 Datasheet(PDF) 3 Page - ACE Technology Co., LTD.

Part # ACE722
Description  2A Step-down DC-DC Converter
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.

ACE722 Datasheet(HTML) 3 Page - ACE Technology Co., LTD.

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ACE722
2A Step-down DC-DC Converter
VER1.6
3
Electrical Characteristics
(Test Conditions: TA=25℃, VIN=12V, unless otherwise noted.)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Under Voltage Lockout
VUVLO
3.35
3.6
V
Feedback Voltage
VFB
1.225
1.25
1.275
V
FB Pin Bias Current
IFB
VFB=1.25V
150
600
nA
Supply Current
IQ
VFB=1.3V, VCE=VIN
2
mA
Quiescent Current in Shutdown
VCE=0V
2
5
uA
Reference Line Regulation
△VFB/△V
VIN=5V to 20V
0.08
%/V
Feedback Voltage Temperature
Coefficient
△VFB/△T
-40℃≦Topt≦85℃
±100
ppm/℃
Oscillator Frequency
FOSC_MAX
VFB=1.1Vvfb
500
KHz
Frequency Shift Threshold on FB Pin
FOSCTH
FSW=200K
0.44
V
Max Duty Cycle
DMX
97
%
Switch Current Limit
ILIMIT
2.5
A
Static P-Channel MOSFER On State
Resistance
Rds_on
90*
mΩ
Switch Leakage Current
ISW
1
uA
CE “H” Input Current
ICEH
VCE=3V
6.7
15
uA
C
E “L” Input Current
ICEL
VCE=0V
0.03
0.1
uA
CE “H” Input Voltage
VCEH
VIN=12V
1.8
V
CE “L” Input Voltage
VCEL
VIN=12V
0.4
V
Typical Application



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