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AP1510 Datasheet PDF : 9 Pages
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AP1510
PWM CONTROL 3A STEP-DOWN CONVERTER
Electrical Characteristics (VIN = 12V, Ta = 25°C, unless otherwise specified)
Symbol
Parameter
Conditions
Min Typ.
VFB
IFB
ISW
ISHDN
Feedback Voltage
Feedback Bias Current
Switch Current
Current Consumption During
Power Off
IOUT = 0.1A
IOUT = 0.1A
--
VEN = 0V
0.784 0.8
-
0.1
3.5
-
-
10
∆VOUT
/VIN
∆VOUT
/VOUT
fOSC
fOSC1
Line Regulation
Load Regulation
Oscillation Frequency
Frequency of Current Limit or
Short Circuit Protect
VIN = 5V~23V, IOUT = 0.2A
IOUT = 0.1 to 3A
Measure waveform at SW pin
Measure waveform at SW pin
-
1
-
0.2
240 300
10
-
VIH
VIL
EN Pin Input Voltage
Evaluate oscillation at SW pin
2.0
-
Evaluate oscillation stop at SW pin -
-
IENH
IENL
EN Pin Input Leakage Current
--
--
-
20
-
-10
IOCSET OCSET Pin Bias Current
--
75 90
TSS Soft-Start Time
--
0.3
2
TSHDN Thermal shutdown threshold
-
150
THYS Thermal shutdown hysteresis
-
55
RDSON Internal MOSFET Rdson
VIN = 5V, VFB = 0V
VIN =12V, VFB = 0V
-
110
-
70
EFFI Efficiency
VIN = 12V, VOUT = 5V
IOUT = 3A
-
91
θJA
Thermal Resistance
Junction-to-Ambient
SOP-8L (Note 3)
-
134
θJC
Thermal Resistance
Junction-to-Case
SOP-8L (Note 3)
-
22
Notes: 3. Test condition: Device mounted on FR-4 substrate 2oz copper, minimum recommended pad layout, single side.
For better thermal performance, please arrange larger copper pad of layout for heatsink.
Ma. Unit
0.816 V
0.5 µA
-
A
- µA
2
%
0.5 %
360 kHz
- kHz
-
0.8
V
- µA
- µA
105 µA
5 ms
-
°C
-
°C
150
100
mΩ
-
%
- oC/W
- oC/W
AP1510 Rev. 7
DS31018
4 of 9
www.diodes.com
JULY 2009
© Diodes Incorporated
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