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RC1117 Datasheet(PDF) 3 Page - Fairchild Semiconductor

Part No. RC1117
Description  1A Adjustable/Fixed Low Dropout Linear Regulator
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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RC1117 Datasheet(HTML) 3 Page - Fairchild Semiconductor

   
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RC1117
PRODUCT SPECIFICATION
REV. 1.3.2 10/16/03
3
Electrical Characteristics
Operating Conditions: VIN ≤ 7V, TJ = 25°C unless otherwise specified.
The
• denotes specifications which apply over the specified operating temperature range.
Notes:
1. See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are
measured at a constant junction temperature by low duty cycle pulse testing.
2. Line and load regulation are guaranteed up to the maximum power dissipation (18W). Power dissipation is determined by
input/output differential and the output current. Guaranteed maximum output power will not be available over the full input/
output voltage range.
3. RC1117 only.
Parameter
Conditions
Min.
Typ.
Max.
Units
Reference Voltage, VREF
3
1.5V
≤ (V
IN - VOUT) ≤ 5.75V,
10mA
≤ I
OUT ≤ 1A
1.225
(-2%)
1.250
1.275
(+2%)
V
Output Voltage
10mA
≤ I
OUT ≤ 1A
RC1117-2.5, 4V
≤ V
IN ≤ 7V
RC1117-2.85, 4.35V
≤ V
IN ≤ 7V
RC1117-3.3, 4.8V
≤ V
IN ≤ 7V
RC1117-5, 6.5V
≤ V
IN ≤ 7V
2.450
2.793
3.234
4.900
2.5
2.85
3.3
5.0
2.550
2.907
3.366
5.100
V
V
V
V
Line Regulation1,2
(VOUT + 1.5V) ≤ VIN ≤ 7V, IOUT = 10mA
0.005
0.2
%
Load Regulation1,2
(VIN – VOUT) = 2V, 10mA ≤ IOUT ≤ 1A
0.05
0.5
%
Dropout Voltage
∆V
REF = 1%, IOUT = 1A
1.100
1.200
V
Current Limit
(VIN – VOUT) = 2V
1.1
1.5
A
Adjust Pin Current, IAdj
3
35
120
µA
Adjust Pin Current Change3
1.5V
≤ (V
IN – VOUT) ≤ 5.75,
10mA
≤ I
OUT ≤ 1A
0.2
5
µA
Minimum Load Current
1.5V
≤ (V
IN – VOUT) ≤ 5.75
10
mA
Quiescent Current
VIN = VOUT + 1.25V
413
mA
Ripple Rejection
f = 120Hz, COUT = 22µF Tantalum,
(VIN – VOUT) = 3V, IOUT = 1A
60
72
dB
Thermal Regulation
TA = 25°C, 30ms pulse
0.004
0.02
%/W
Temperature Stability
0.5
%
Long-Term Stability
TA = 125°C, 1000hrs.
0.03
1.0
%
RMS Output Noise
(% of VOUT)
TA = 25°C, 10Hz ≤ f ≤ 10kHz
0.003
%
Thermal Resistance, Junction
to Case
SOT-223
15
°C/W
TO-252, TO-263
3
°C/W
Thermal Shutdown
Junction Temperature
155
°C
Thermal Shutdown
Hysteresis
10
°C


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