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AP1530S 数据表(PDF) 3 Page - Diodes Incorporated

部件名 AP1530S
功能描述  PWM CONTROL 3A STEP-DOWN CONVERTER
PDF  8 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

AP1530S 数据表(HTML) 3 Page - Diodes Incorporated

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AP1530
PWM CONTROL 3A STEP-DOWN CONVERTER
AP1530 Rev. 1
3 of 8
MARCH 2007
www.diodes.com
© Diodes Incorporated
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
VCC Pin Voltage
VSS - 0.3 to VSS + 20
V
VFB
Feedback Pin Voltage
VSS - 0.3 to VCC
V
VEN
EN Pin Voltage
VSS - 0.3 to VIN + 0.3
V
VOUTPUT
Switch Pin Voltage
VSS - 0.3 to VIN + 0.3
V
PD
Power Dissipation
Internally limited
mW
TOP
Operating Junction Temperature Range
-40 to +125
oC
TSTG
Storage Temperature
-65 to +150
oC
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.
Electrical Characteristics
(VIN = 12V, TA=25°C, unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VIN
Input Voltage
--
3.6
-
18
V
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
--
3.5
-
-
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 3A
-
0.2
0.5
%
fOSC
Oscillation Frequency
Measure waveform at SW pin
240
300
360
KHz
fOSC1
Frequency of Current Limit or
Short Circuit Protect
Measure waveform at SW pin
10
-
-
KHz
VSH
Evaluate oscillation at SW pin
2.0
-
-
VSL
EN Pin Input Voltage
Evaluate oscillation stop at SW pin
-
-
0.8
V
ISH
--
-
20
-
µA
ISL
EN Pin Input Leakage
Current
--
-
-10
-
µA
IOCSET OCSET Pin Bias Current
--
75
90
105
µA
TSS
Soft-Start Time
--
0.3
2
5
ms
VIN=5V, VFB=0V
-
110
150
RDSON Internal MOSFET Rdson
VIN=12V, VFB=0V
-
70
100
mΩ
EFFI
Efficiency
VIN=12V, VOUT = 5V
IOUT=3A
-
92
-
%
θJA
Thermal Resistance
Junction-to-Ambient
-
65
-
oC/W



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