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AP3001 Datasheet(PDF) 6 Page - BCD Semiconductor Manufacturing Limited

Part No. AP3001
Description  150kHz 3A PWM BUCK DC-DC CONVERTER
Download  15 Pages
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Maker  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Homepage  http://www.bcdsemi.com
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AP3001 Datasheet(HTML) 6 Page - BCD Semiconductor Manufacturing Limited

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150kHz 3A PWM BUCK DC-DC CONVERTER
AP3001
Preliminary Datasheet
6
Jul. 2006 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Feedback Bias Current
IB
Adjustable Version Only,
VFB=1.3V
40
100
200
nA
Oscillator Frequency
fO
(Frequency reduces when the
second current limit is activated)
127
110
150
173
173
kHz
Saturation Voltage
VSAT
ILOAD=3A ( No output devices,
VFB=0V)
1.2
1.4
1.5
V
Maximum Duty Cycle (ON)
DMAX
(VFB=0V)
100
%
Minimum Duty Cycle (OFF)
DMIN
(VFB=12V)
0
%
Current Limit
ICL
Peak Current ( No output
devices, VFB=0V)
3.6
3.4
56.9
7.5
A
Output Leakage Current
IL
Output=0V (No output devices,
VFB=12V)
50
µA
Output=-1V (VIN=18V)
2
30
mA
Quiescent Current
IQ
(VFB=12V)
5
10
mA
Standby Quiescent Current
ISTBY
ON/OFF Pin=5V (Regulator
OFF)
80
200
250
µA
ON/OFF Pin Logic Input
Threshold Voltage
VIL
Low (Regulator ON)
1.3
0.6
V
VIH
High (Regulator OFF)
2.0
1.3
ON/OFF Pin Input Current
IH
VLOGIC=2.5V (Regulator OFF)
5
15
µA
IL
VLOGIC=0.5V (Regulator ON)
0.02
5
µA
Electrical Characteristics
For All Output Voltage Versions
Unless otherwise specified , VIN=12V for 3.3V, 5V and adjustable version, ILOAD=500mA. Specifications with
standard type face are for TJ=25
oC, and those with boldface type apply over Full Operating Temperature Range.


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