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AP1580SL-13 데이터시트(PDF) 3 Page - Diodes Incorporated

부품명 AP1580SL-13
상세설명  PWM CONTROL 3A STEP-DOWN CONVERTER
PDF  9 Pages
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제조업체  DIODES [Diodes Incorporated]
홈페이지  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1580SL-13 데이터시트(HTML) 3 Page - Diodes Incorporated

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AP1580
PWM CONTROL 3A STEP-DOWN CONVERTER
AP1580 Rev. 1
3 of 9
JANUARY 2007
www.diodes.com
© Diodes Incorporated
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC
VCC Pin Voltage
VSS - 0.3 to VSS + 45
V
VFB
VOUT Pin Voltage
VSS - 0.3 to VCC
V
VEN
EN Pin Voltage
VSS - 0.3 to VCC + 0.3
V
Vboost
Vboost Pin Voltage
VOUTPUT + 5V
V
VOUTPUT
Switch Pin Voltage
VSS - 0.3 to VCC + 0.3
V
Top
Operating Junction Temperature Range
-25 to +125
oC
TST
Storage Temperature Range
-40 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.
Recommended Operating Conditions
Symbol
Parameter
Min
Max
Unit
VIN
Input Voltage
10
40
V
IOUT
Output Current
0
3
A
TA
Operating Ambient Temperature
-25
85
oC
Electrical Characteristics (VIN = 12V, TA=25°C, unless otherwise specified)
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VFB
Feedback Voltage
0.780
0.8
0.820
V
VIN
Input Voltage
10
-
40
V
ISTBY
Standby Current
VEN =0V
-
-
2
µA
∆VOUT/VOUT Line Regulation
VIN = 10V~40V
-
±
1.0
±
1.5
%
∆VOUT/VOUT Load Regulation
IOUT = 0.1 to 3A
-
±
0.8
±
1
%
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
-
30
-
KHz
Maximum Duty Cycle
VFB =0.5V
-
90
-
%
DC
Minimum Duty Cycle
VFB =1.0V
-
0
-
%
VIH
Regulator ON
2.0
-
-
VIL
EN Pin Logic Input Threshold
Voltage
Regulator OFF
--
-
0.8
V
ISH
-
20
-
µA
ISL
EN Pin Input Leakage Current
-
-10
-
µA
RDS(ON)
Internal MOSFET RDS(ON)
-
80
120
mΩ
ILIMIT
Current Limit
4
4.5
-
A
η
Efficiency
VIN = 12V, VOUT = 5V, IOUT = 3A
-
90
-
%
θJA
Thermal Resistance
Junction-to-Ambient (Note 4)
-
149
-
oC/W
θJC
Thermal Resistance
Junction-to-Case (Note 4)
-
13.4
-
oC/W
Note:
3.
The PCB layout copper area should be much greater than 10*10mm at the Vcc pins (5&6) of the AP1580, if you need large PD or low Tc&TA.
The dual Vcc pins (5&6) on the SOP-8L package are internally connected.
4. Devices mounted on 2oz copper, minimum recommended pad layout, FR-4 PCB.



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