AP3001TB-3.3 Просмотр технического описания (PDF) - BCD Semiconductor
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AP3001TB-3.3 Datasheet PDF : 15 Pages
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Preliminary Datasheet
150kHz 3A PWM BUCK DC-DC CONVERTER
AP3001
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=25oC, and those with boldface type apply over Full Operating Temperature Range.
Parameter
Feedback Bias Current
Oscillator Frequency
Symbol
Conditions
Min Typ Max Unit
IB
Adjustable Version Only,
VFB=1.3V
40
100
nA
200
fO
(Frequency reduces when the
127
150
173
kHz
second current limit is activated) 110
173
Saturation Voltage
VSAT
ILOAD=3A ( No output devices,
VFB=0V)
Maximum Duty Cycle (ON)
DMAX
(VFB=0V)
Minimum Duty Cycle (OFF)
DMIN
(VFB=12V)
0
1.2
1.4
V
1.5
100
%
%
Current Limit
Output Leakage Current
Quiescent Current
Standby Quiescent Current
ICL
Peak Current ( No output
3.6
devices, VFB=0V)
3.4
Output=0V (No output devices,
IL
VFB=12V)
IQ
ISTBY
Output=-1V (VIN=18V)
(VFB=12V)
ON/OFF Pin=5V (Regulator
OFF)
5
6.9
A
7.5
50
µA
2
30
mA
5
10
mA
80 200
µA
250
ON/OFF Pin Logic Input
Threshold Voltage
VIL
Low (Regulator ON)
VIH
High (Regulator OFF)
1.3
0.6
V
2.0
1.3
ON/OFF Pin Input Current
IH
VLOGIC=2.5V (Regulator OFF)
IL
VLOGIC=0.5V (Regulator ON)
5
15
µA
0.02
5
µA
Jul. 2006 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
6
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