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Electrical Characteristics
Operating Conditions: V
IN
The denotes specifications which apply over the specified operating temperature range.
Parameter
Reference Voltage, V
REF
Output Voltage
1,2
Line Regulation
1,2
Load Regulation
Dropout Voltage
Current Limit
3
Adjust Pin Current, I
Adj
Adjust Pin Current Change
Minimum Load Current
Quiescent Current
Ripple Rejection
Thermal Regulation
Temperature Stability
Long-Term Stability
RMS Output Noise
(% of V
)
OUT
Thermal Resistance, Junction
to Case
Thermal Shutdown
Thermal Shutdown
Hysteresis
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.
7V, T
= 25°C unless otherwise specified.
J
Conditions
3
1.5V
(V
- V
IN
OUT
10mA
I
1A
OUT
10mA
I
1A
OUT
RC1117-2.5, 4V
RC1117-2.85, 4.35V
RC1117-3.3, 4.8V
RC1117-5, 6.5V
(V
+ 1.5V)
V
OUT
IN
(V
– V
) = 2V, 10mA
IN
OUT
V
= 1%, I
REF
OUT
(V
– V
) = 2V
IN
OUT
3
1.5V
(V
– V
IN
OUT
10mA
I
1A
OUT
1.5V
(V
– V
IN
OUT
V
= V
+ 1.25V
IN
OUT
f = 120Hz, C
= 22 F Tantalum,
OUT
(V
– V
) = 3V, I
IN
OUT
T
= 25 C, 30ms pulse
A
T
= 125 C, 1000hrs.
A
T
= 25 C, 10Hz
A
SOT-223
TO-252, TO-263
Junction Temperature
)
5.75V,
V
7V
IN
V
7V
IN
V
7V
IN
V
7V
IN
7V, I
= 10mA
OUT
I
1A
OUT
= 1A
)
5.75,
)
5.75
= 1A
OUT
f
10kHz
--32--
Min.
Typ.
Max.
1.225
1.250
1.275
(-2%)
(+2%)
2.450
2.5
2.550
2.793
2.85
2.907
3.234
3.3
3.366
4.900
5.0
5.100
0.005
0.2
0.05
0.5
1.100
1.200
1.1
1.5
35
120
0.2
5
10
4
13
60
72
0.004
0.02
0.5
0.03
1.0
0.003
15
3
155
10
Units
V
V
V
V
V
%
%
V
A
A
A
mA
mA
dB
%/W
%
%
%
C/W
C/W
C
C
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