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AP3003S-12E1 Datasheet(PDF) 7 Page - BCD Semiconductor Manufacturing Limited

Part # AP3003S-12E1
Description  150kHz 3A BUCK DC-DC CONVERTER
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Manufacturer  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Direct Link  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AP3003S-12E1 Datasheet(HTML) 7 Page - BCD Semiconductor Manufacturing Limited

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150kHz 3A BUCK DC-DC CONVERTER
AP3003
Data Sheet
7
Feb. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
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
ON/OFF Pin Input Current
IH
VPIN5=2.5V (Regulator OFF)
5
15
µA
IL
VPIN5=0.5V (Regulator ON)
0.02
5
µA
For All Output Voltage Versions
Unless otherwise specified , VIN=12V for 3.3V, 5V and adjustable version, VIN=24V for 12V version,
ILOAD=500mA, TJ=25
oC. Specifications with boldface type apply over Full Operating Junction Temperature
Range.
Electrical Characteristics (Continued)
Note 3: The switching frequency is reduced when the second stage current limit is activated.
Note 4: The specifications with boldface are GBD (Guaranteed By Design ).


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