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LM1117SX-ADJ 数据表(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 LM1117SX-ADJ
功能描述  800mA Low-Dropout Linear Regulator
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

LM1117SX-ADJ 数据表(HTML) 6 Page - National Semiconductor (TI)

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LM1117I Electrical Characteristics
Typicals and limits appearing in normal type apply for T
J = 25˚C. Limits appearing in Boldface type apply over the entire junc-
tion temperature range for operation, −40˚C to 125˚C.
Symbol
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
V
REF
Reference Voltage
LM1117I-ADJ
I
OUT = 10mA, VIN-VOUT = 2V, TJ = 25˚C
10mA
≤ I
OUT
≤ 800mA, 1.4V ≤ V
IN-VOUT
≤ 10V
1.238
1.200
1.250
1.250
1.262
1.290
V
V
V
OUT
Output Voltage
LM1117I-3.3
I
OUT = 10mA, VIN = 5V, TJ = 25˚C
0
≤ I
OUT
≤ 800mA, 4.75V ≤ V
IN
≤ 10V
3.267
3.168
3.300
3.300
3.333
3.432
V
V
LM1117I-5.0
I
OUT = 10mA, VIN = 7V, TJ = 25˚C
0
≤ I
OUT
≤ 800mA, 6.5V ≤ V
IN
≤ 12V
4.950
4.800
5.000
5.000
5.050
5.200
V
V
∆V
OUT
Line Regulation
(Note 6)
LM1117I-ADJ
I
OUT = 10mA, 1.5V
≤ V
IN-VOUT
≤ 13.75V
0.035
0.3
%
LM1117I-3.3
I
OUT = 0mA, 4.75V
≤ V
IN
≤ 15V
1
10
mV
LM1117I-5.0
I
OUT = 0mA, 6.5V
≤ V
IN
≤ 15V
1
15
mV
∆V
OUT
Load Regulation
(Note 6)
LM1117I-ADJ
V
IN-VOUT = 3V, 10
≤ I
OUT
≤ 800mA
0.2
0.5
%
LM1117I-3.3
V
IN = 4.75V, 0
≤ I
OUT
≤ 800mA
1
15
mV
LM1117I-5.0
V
IN = 6.5V, 0
≤ I
OUT
≤ 800mA
1
20
mV
V
IN-V OUT
Dropout Voltage
(Note 7)
I
OUT = 100mA
1.10
1.30
V
I
OUT = 500mA
1.15
1.35
V
I
OUT = 800mA
1.20
1.40
V
I
LIMIT
Current Limit
V
IN-VOUT = 5V, TJ = 25˚C
800
1200
1500
mA
Minimum Load
Current (Note 8)
LM1117I-ADJ
V
IN = 15V
1.7
5
mA
Quiescent Current
LM1117I-3.3
V
IN
≤ 15V
5
15
mA
LM1117I-5.0
V
IN
≤ 15V
5
15
mA
Thermal Regulation
T
A = 25˚C, 30ms Pulse
0.01
0.1
%/W
Ripple Regulation
f
RIPPLE =1 20Hz, VIN-VOUT =3VVRIPPLE
=1V
PP
60
75
dB
Adjust Pin Current
60
120
µA
Adjust Pin Current
Change
10
≤ I
OUT
≤ 800mA,
1.4V
≤ V
IN-VOUT
≤ 10V
0.2
10
µA
Temperature Stability
0.5
%
Long Term Stability
T
A = 125˚C, 1000Hrs
0.3
%
RMS Output Noise
(% of V
OUT), 10Hz
≤ f ≤10kHz
0.003
%
Thermal Resistance
Junction-to-Case
3-Lead SOT-223
15.0
˚C/W
3-Lead TO-252
10
˚C/W
Thermal Resistance
Junction-to-Ambient
No air flow)
3-Lead SOT-223 (No heat sink)
136
˚C/W
3-Lead TO-252 (No heat sink)(Note 9)
92
˚C/W
8-Lead LLP(Note 10)
40
˚C/W
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and the test conditions, see the Electrical Characteristics.
www.national.com
6


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