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ACE7263C 数据表(PDF) 4 Page - ACE Technology Co., LTD.

部件名 ACE7263C
功能描述  27V 2A 500KHz Synchronous Step-Down DC/DC Converter
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  ACE [ACE Technology Co., LTD.]
网页  http://www.ace-ele.com
标志 ACE - ACE Technology Co., LTD.

ACE7263C 数据表(HTML) 4 Page - ACE Technology Co., LTD.

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ACE7263C
27V 2A 500KHz Synchronous Step-Down DC/DC Converter
VER 1.2
4
Note: If the input voltage is below 12V, R1 can be set to 0K and R2 can be removed
.
Electrical Characteristics
(VIN=12V, TA=25℃, unless otherwise stated)
Parameter
Test Conditions
Min
Typ
Max
Unit
Input voltage range
4.2
27
V
UVLO threshold
Vin rising
3.8
V
UVLO hysteresis
Vin falling
200
mV
Supply current in operation
VEN = 5V, VFB = 1V
150
uA
Supply current in shutdown
VEN = 0V
1
uA
Regulated feedback voltage
3.8V≤VIN ≤27V
0.784
0.8
0.816
V
High-side switch on resistance
VBST-SW = 5V
180
mΩ
Low-side switch on resistance
VIN = 5V
110
mΩ
High-side switch leakage current
VEN = 0V, VSW = 0V
0.1
10
uA
Upper switch current limit
Minimum duty cycle
3
A
Oscillation frequency
500
KHz
Maximum duty cycle
93
%
Minimum on time
100
ns
EN input voltage “H”
1.5
V
EN input voltage “L”
0.6
V
Thermal shutdown
160
℃



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