AP1520(2007) Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP1520 Datasheet PDF : 8 Pages
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AP1520
PWM CONTROL 2A STEP-DOWN CONVERTER
Absolute Maximum Ratings
Symbol
Parameter
Rating
VCC
VCC Pin Voltage
VSS - 0.3 to VSS + 25
VFB
Feedback Pin Voltage
VSS - 0.3 to VCC
VEN
EN Pin Voltage
VSS - 0.3 to VIN + 0.3
VOUT Switch Pin Voltage
VSS - 0.3 to VIN + 0.3
PD
Power Dissipation
Internally limited
TOPR Operating Temperature Range
-20 to +85
TSTG Storage Temperature Range
-40 to +150
Caution: The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must
therefore not be exceeded under any conditions.
Unit
V
V
V
V
mW
oC
oC
Electrical Characteristics ( VIN = 12V, Ta = 25°C, unless otherwise specified )
Symbol
Parameter
VIN Input Voltage
VFB Feedback Voltage
IFB Feedback Bias Current
ISW Switch Current
ISSS
Current Consumption
During Power off
∆VOUT
/VOUT
∆VOUT
/VOUT
fOSC
fOSC1
Line Regulation
Load Regulation
Oscillation Frequency
Frequency of Current Limit
or Short Circuit Protect
VSH
VSL
ISH
ISL
IOCSET
TSS
EN Pin Input Voltage
EN Pin Input Leakage
Current
OCSET Pin Bias Current
Soft-Start Time
RDSON Internal MOSFET RDSON
EFFI Efficiency
θJA
Thermal Resistance
Junction-to-Ambient
Conditions
--
IOUT = 0.1A
IOUT = 0.1A
--
VEN = 0V
Min.
3.6
0.784
-
2.5
-
VIN = 5V~23V
-
IOUT = 0.1 to 2A
-
Measure waveform at SW pin
240
Measure waveform at SW pin
10
Evaluate oscillation at SW pin
2.0
Evaluate oscillation stop at SW pin -
--
-
--
-
--
75
--
0.3
VIN = 5V, VFB = 0V
-
VIN = 12V, VFB = 0V
-
VIN = 12V, VOUT = 5V
IOUT = 2A
-
-
Typ.
-
0.8
0.1
-
10
1
0.2
300
-
-
-
20
-10
90
1
110
70
92
65
Max. Unit
23 V
0.816 V
0.5 µA
-
A
- µA
2
%
0.5 %
360 KHz
- KHz
-
0.8
V
- µA
- µA
105 µA
2 ms
150
100
mΩ
-
%
- oC/W
AP1520 Rev. 1
3 of 8
www.diodes.com
JANUARY 2007
© Diodes Incorporated
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