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AP1513 Fiches technique(PDF) 4 Page - Diodes Incorporated

No de pièce AP1513
Description  PWM CONTROL 2A STEP-DOWN CONVERTER
PDF  9 Pages
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Fabricant  DIODES [Diodes Incorporated]
Site Internet  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1513 Fiches technique(HTML) 4 Page - Diodes Incorporated

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AP1513
PWM CONTROL 2A STEP-DOWN CONVERTER
AP1513 Rev. 4
4 of 9
JULY 2009
DS31053
www.diodes.com
© Diodes Incorporated
Electrical Characteristics
(VIN = 12V, TA = 25°C, unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VFB
Feedback Voltage
IOUT = 0.1A
0.784
0.8
0.816
V
IFB
Feedback Bias Current
IOUT = 0.1A
-
0.1
0.5
µA
ISW
Switch Current
--
2.5
-
-
A
ISSS
Current Consumption
During Power Off
VEN = 0V
-
10
-
µA
∆VOUT
/VOUT
Line Regulation
VIN = 5V~18V
-
1
2
%
∆VOUT
/VOUT
Load Regulation
IOUT = 0.1 to 2A
-
0.2
0.5
%
fOSC
Oscillation Frequency
Measure waveform at SW pin
240
300
400
KHz
fOSC1
Frequency of Current Limit
or Short Circuit Protect
Measure waveform at SW pin
10
-
-
KHz
VSH
EN Pin Input Voltage
Evaluate oscillation at SW pin
2.0
-
-
V
VSL
Evaluate oscillation stop at SW pin
-
-
0.8
ISH
EN Pin Input Leakage
Current
--
-
20
-
µA
ISL
--
-
-10
-
µA
IOCSET
OCSET Pin Bias Current
--
75
90
105
µA
TSS
Soft-Start Time
--
0.3
2
5
ms
RDSON
Internal MOSFET Rdson
VIN = 5V, VFB = 0V
-
110
150
mΩ
VIN = 12V, VFB = 0V
-
70
100
EFFI
Efficiency
VIN = 12V, VOUT = 5V
IOUT = 2A
-
92
-
%
θJA
Thermal Resistance
Junction-to-Ambient
SOP-8L (Note 3)
-
134
-
oC/W
θJC
Thermal Resistance
Junction-to-Case
SOP-8L (Note 3)
-
22
-
oC/W
Notes:
3. Test conditions: Device mounted on FR-4 PCB, 2"*2", 2oz copper minimum recommended pad layout, single-sided, PC boards.



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