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ACE2596 Datasheet(PDF) 4 Page - ACE Technology Co., LTD.

Part # ACE2596
Description  150KHz 3A Buck DC-DC Converter
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Manufacturer  ACE [ACE Technology Co., LTD.]
Direct Link  http://www.ace-ele.com
Logo ACE - ACE Technology Co., LTD.

ACE2596 Datasheet(HTML) 4 Page - ACE Technology Co., LTD.

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ACE2596
150KHz 3A Buck DC-DC Converter
VER 1.3
4
For ADJ Output Voltage Version
Unless otherwise specified, TJ=25℃, The specifications with boldface type apply over Full Operating Junction Temperature
Range.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Output
VOUT
4.5V≦VIN≦32V,
0.2A≦ILOAD≦3A
VOUT programmed for 2.5V
1.193
1.180
1.23
1.267
1.280
V
Efficiency
η
VIN=12V, ILOAD=3A, VOUT=2.5V
73
%
Electrical Characteristics
For AallOutput Voltage Versions
Unless otherwise specified, VIN=12V for 3.3V, 5V and adjustable version, VIN=24V for 12V version, ILOAD=500mA, TJ=25℃.
Specifications with boldface type apply over Full Operating Junction Temperature Range.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Feedback Bias Current
IFB
Adjustable Version Only, VFB=1.3V
10
50
100
nA
Oscillator Frequency
f
(Note 3)
127
110
150
173
173
kHz
Saturation Voltage
VSAT
ILOAD=3A (No output devices, VFB=0V)
1.2
1.5
1.6
V
Maximum Duty Cycle
DMAX
VFB=0V
100
%
Minimum Duty Cycle
DMIN
VFB=1.3V
0
%
Current Limit
ICL
Peak Current, No output devices, VFB=0V
3.6
3.4
4.5
6.9
7.5
A
Output Leakage Current
ISWL
Output=0V, No output devices,
VFB =1.3V, VIN=32V
50
μA
Output=-1V, No output devices,
VFB =1.3V, VIN=32V
2
30
mA
Quiescent Current
IQ
VFB=1.3V
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF Pin=5V, VIN=18V
80
200
250
μA
ON/OFF Pin Logic
Input Threshold Voltage
VIL
Regulator ON
0.6
V
VIH
Regulator OFF
2.0
V
ON/OFF Pin Input Current
IH
VPIN5=2.5V (Regulator OFF)
5
15
μA
IL
VPIN5=2.5V (Regulator ON)
0.02
5
μA
Note :
1. The switching frequency is reduced when the second stage current limit is activated.
2. The specifications with boldface are GBD (Guaranteed By Design).


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