AP3005 Ver la hoja de datos (PDF) - BCD Semiconductor
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AP3005 Datasheet PDF : 11 Pages
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Preliminary Datasheet
2A 420kHz PWM BUCK DC-DC CONVERTER
AP3005
Electrical Characteristics
VCC=12V, VOUT=5V, TA=25℃, unless otherwise specified.
Parameters
Symbol
Conditions
Min Typ Max Unit
Input Voltage
Shutdown Quiescent Current
Quiescent Current
VIN
4.75
25
V
ISHDN VEN=0.4V
44 60 µA
IQ
VEN=2V, VFB=1.3V
1.3
2
mA
Feedback Voltage
Feedback Bias Current
VFB VIN=5V to 25V
IFB
VFB=1.3V
0.784 0.8 0.816 V
-0.1 -0.5 µA
Switch Current Limit
Oscillator Frequency
Frequency of Current Limit or
Short Circuit Protection
Error Amplifier Voltage Gain
Error Amplifier Transconductance
ILIM
fOSC
fOSC1
GV
GS
VFB<0.52V
2.5 3.4
A
336 420 504 kHz
40
kHz
1000
700
V/V
µA/V
EN Pin Threshold
EN Pin Input Leakage Current
Internal PMOS ON Resistance
Maximum Duty Cycle
Thermal Shutdown
Thermal Shutdown Hysteresis
VH
1.5
V
VL
0.7 V
IEN
RDSON
DMAX
TOTSD
VEN=2.5V
VIN=12V,
VFB=0.65V
VEN=12V, IOUT=2A
VFB=0.65V,
ISW=0.1A
-5 -10 µA
130 150 mΩ
100 %
155
ºC
THYS
20
ºC
Jun. 2009 Rev. 1. 2
BCD Semiconductor Manufacturing Limited
5
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