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AP1513S Datasheet PDF : 8 Pages
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AP1513
PWM CONTROL 2A STEP-DOWN CONVERTER
Electrical Characteristics (VIN = 12V, TA = 25°C, unless otherwise specified)
Symbol
VFB
IFB
ISW
ISSS
∆VOUT
/VOUT
∆VOUT
/VOUT
fOSC
fOSC1
VSH
VSL
ISH
ISL
IOCSET
TSS
RDSON
EFFI
θJA
θJC
Parameter
Feedback Voltage
Feedback Bias Current
Switch Current
Current Consumption
During Power Off
Line Regulation
Conditions
IOUT = 0.1A
IOUT = 0.1A
--
VEN = 0V
VIN = 5V~18V
Load Regulation
IOUT = 0.1 to 2A
Oscillation Frequency
Measure waveform at SW pin
Frequency of Current Limit
or Short Circuit Protect
Measure waveform at SW pin
EN Pin Input Voltage
Evaluate oscillation at SW pin
Evaluate oscillation stop at SW pin
EN Pin Input Leakage
--
Current
--
OCSET Pin Bias Current --
Soft-Start Time
--
Internal MOSFET Rdson
Efficiency
VIN = 5V, VFB = 0V
VIN = 12V, VFB = 0V
VIN = 12V, VOUT = 5V
IOUT = 2A
Thermal Resistance
Junction-to-Ambient
SOP-8L (Note 3)
Thermal Resistance
Junction-to-Case
SOP-8L (Note 3)
Min.
0.784
-
2.5
-
-
-
240
10
2.0
-
-
-
75
0.3
-
-
-
-
-
Typ.
0.8
0.1
-
10
1
0.2
300
-
-
-
20
-10
90
2
110
70
92
134
22
Max. Unit
0.816 V
0.5 µA
-
A
- µA
2%
0.5 %
400 KHz
- KHz
-
0.8
V
- µA
- µA
105 µA
5 ms
150
100
mΩ
-
%
- oC/W
- oC/W
Note: 3. Test conditions: Device mounted on FR-4 PCB, 2"*2", 2oz copper minimum recommended pad layout, single-sided, PC boards.
AP1513 Rev. 2
4 of 8
www.diodes.com
AUGUST 2007
© Diodes Incorporated
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