SU1117A 데이터 시트보기 (PDF) - Secos Corporation.
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SU1117A Datasheet PDF : 4 Pages
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Elektronische Bauelemente
SU1117A
1A Low Dropout Positive
Adjustable or Fixed-Mode Regulator
Electrical Characteristics
PARAMETER
Reference Voltage
Output Voltage
Line Regulation
Load Regulation
SU1117AADJ
SU1117A-1.5
SU1117A-1.8
SU1117A-2.5
SU1117A-3.3
SU1117A-5.0
SU1117A-XXX
SU1117AADJ
SU1117A-1.5
SU1117A-1.8
SU1117A-2.5
SU1117A-3.3
SU1117A-5.0
Dropout Voltage
(VIN-VOUT)
SU1117A-XXX
CONDITIONS
Io=10mA,Tj=25 ,(Vin-Vout )=1.5V
Io=10mA,Tj=25 ,3V Vin 12V
Io=10mA,Tj=25 ,3.3V Vin 12V
Io=10mA,Tj=25 ,4V Vin 12V
Io=10mA,Tj=25 ,4.8V Vin 12V
Io=10mA,Tj=25 ,6.5V Vin 12V
Io=10mA,Vout+1.5V<Vin<12V,Tj=25
Vin=3.3V,Vadj=0,0mA<Io<1A,Tj=25 (Note 1,2)
Vin=3V,0mA<Io<1A,TJ=25 (Note 1,2)
Vin=3.3V,0mA<Io<1A,TJ=25 (Note 1,2)
Vin=4V,0mA<Io<1A,TJ=25 (Note 1,2)
Vin=5V,0mA<Io<1A,TJ=25 (Note 1,2)
Vin=8V,0mA<Io<1A,TJ=25 (Note 1,2)
MIN
1.225
1.470
1.764
2.450
3.235
4.900
-
-
-
-
-
-
-
TYP MAX UNIT
1.25 1.275 V
1.500 1.530 V
1.800 1.836 V
2.500 2.550 V
3.300 3.365 V
5.000 5.100 V
- 0.2 %
-
1%
12 15 mV
15 18 mV
20 25 mV
26 33 mV
40 50 mV
Io=1A,( Vout=0.1% Vout)
-
1.3 1.4 V
Current Limit
SU1117A-XXX
Vin-Vout=5V
Minimum Load Current SU1117A-XXX
0 Tj 125
Thermal Regulation
TA=25 ,30ms pulse
Ripple Rejection
F=120HZ,COUT=25uF Tantalum, IOUT=1A
SU1117A-XXX
VIN=VOUT+3V
Temperature Stability IO=10mA
JA Thermal Resistance
Junction–to-Ambient(No
heat sink ;No air flow)
JC Thermal Resistance
Junction-to-Case
Control Circuitry/Power Transistor
1.1
-
-A
-
5
10 mA
- 0.008 0.04 %/W
-
60
-
0.5
-
91
-
10
70 dB
-%
-
/w
-
/w
Note 1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation
are measured at a constant junction Temperature by low duty cycle pulse testing .Load regulation is measured at the
output lead =1/18” from the package.
Note 2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W.Power dissipation is
determined by the difference between input and output and the output current .Guaranteed maximum power
dissipation will not be available over the full input/output range.
Note 3: Quiescent current is defined as the minimum output current required in maintaining regulation .At 12V input/output
differential the device is guaranteed to regulate if the output current is greater than 10mA.
h tp://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 3 of 4
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