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LM4120 Datasheet(PDF) 4 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part # LM4120
Description  Precision Micropower Low Dropout Voltage Reference
Download  11 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4120 Datasheet(HTML) 4 Page - National Semiconductor (TI)

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Electrical Characteristics
LM4120-1.8V, 2.048V and 2.5V Unless otherwise specified V
IN = 3.3V, ILOAD = 0, COUT = 0.01µF, TA = Tj
= 25˚C. Limits with standard typeface are for T
j = 25˚C, and limits in boldface type apply over the −40˚C ≤ TA ≤ +85˚C
temperature range. (Continued)
Symbol
Parameter
Conditions
Min (Note 5)
Typ (Note 4)
Max (Note 5)
Units
I
L
Logic Low Input Current
0.1
µA
I
SC
Short Circuit Current
V
IN = 3.3V, VOUT = 015
mA
630
V
IN = 12V, VOUT = 017
630
Hyst
Thermal Hysteresis
(Note 7)
−40˚C
≤ T
A ≤ 125˚C
0.5
mV/V
∆V
OUT
Long Term Stability
(Note 9)
1000 hrs. @ 25˚C
100
ppm
Electrical Characteristics
LM4120-3.0V, 3.3V, 4.096V and 5.0V Unless otherwise specified V
IN = VOUT + 1V, ILOAD = 0, COUT =
0.01µF, T
A = Tj = 25˚C. Limits with standard typeface are for Tj = 25˚C, and limits in boldface type apply over the −40˚C ≤
T
A ≤ +85˚C temperature range.
Symbol
Parameter
Conditions
Min (Note 5)
Typ (Note 4)
Max (Note 5)
Units
V
OUT
Output Voltage Initial
Accuracy
LM4120A-3.000
LM4120A-3.300
LM4120A-4.096
LM4120A-5.000
±0.2
%
LM4120-3.000
LM4120-3.300
LM4120-4.096
LM4120-5.000
±0.5
%
TCV
OUT/˚C
Temperature Coefficient
−40˚C
≤ T
A ≤ +125˚C
14
50
ppm/˚c
∆V
OUT/∆VIN
Line Regulation
(V
OUT + 1V) ≤ VIN ≤ 12V
0.0007
0.008
0.01
%/V
∆V
OUT/∆ILOAD
Load Regulation
0mA
≤ I
LOAD ≤ 1 mA
0.03
0.08
0.17
%/mA
1mA
≤ I
LOAD ≤ 5 mA
0.01
0.04
0.1
−1 mA
≤ I
LOAD ≤ 0 mA
0.04
0.12
−5 mA
≤ I
LOAD ≤ −1 mA
0.01
V
IN−VOUT
Dropout Voltage (Note 6)
I
LOAD =0mA
45
65
80
mV
I
LOAD = +1 mA
120
150
180
I
LOAD = +5 mA
180
210
250
V
N
Output Noise Voltage (Note 8)
0.1 Hz to 10 Hz
20
µV
PP
10 Hz to 10 kHz
36
µV
PP
I
S
Supply Current
160
250
275
µA
I
SS
Power-down Supply Current
Enable = 0.4V
−40˚C
≤ T
J ≤ +85˚C
Enable = 0.2V
1
2
µA
www.national.com
4


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