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LM4132DMFX-2.5 Datasheet(PDF) 8 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # LM4132DMFX-2.5
Description  SOT-23 Precision Low Dropout Voltage Reference
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM4132DMFX-2.5 Datasheet(HTML) 8 Page - National Semiconductor (TI)

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Electrical Characteristics
LM4132-4.1 (V
OUT = 4.096V)
Limits in standard type are for T
J = 25˚C only, and limits in boldface type ap-
ply over the junction temperature (T
J) range of -40˚C to +125˚C unless otherwise specified. Minimum and Maximum limits are
guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at T
J =
25˚C, and are provided for reference purposes only. Unless otherwise specified V
IN = 5V and ILOAD =0
Symbol
Parameter
Conditions
Min
(Note 4)
Typ
(Note
5)
Max
(Note 4)
Unit
V
REF
Output Voltage Initial Accuracy
LM4132A-4.1
(A Grade - 0.05%)
-0.05
0.05
%
LM4132B-4.1
(B Grade - 0.1%)
-0.1
0.1
LM4132C-4.1
(C Grade - 0.2%)
-0.2
0.2
LM4132D-4.1
(D Grade - 0.4%)
-0.4
0.4
LM4132E-4.1
(E Grade - 0.5%)
-0.5
0.5
TCV
REF /˚C
(Note 6)
Temperature Coefficient
LM4132A-4.1
0˚C
≤ T
J
≤ + 85˚C
10
ppm/˚C
-40˚C
≤ T
J
≤ +125˚C
20
LM4132B-4.1
-40˚C
≤ T
J
≤ +125˚C
20
LM4132C-4.1
20
LM4132D-4.1
20
LM4132E-4.1
30
I
Q
Supply Current
60
100
µA
I
Q_SD
Supply Current in Shutdown
EN = 0V
3
7
µA
∆V
REF/
∆V
IN
Line Regulation
V
REF + 400mV
≤ V
IN
≤ 5.5V
100
ppm / V
∆V
REF/
∆I
LOAD
Load Regulation
0mA
≤ I
LOAD
≤ 20mA
25
120
ppm/mA
∆V
REF
Long Term Stability (Note 7)
1000 Hrs
50
ppm
Thermal Hysteresis (Note 8)
-40˚C
≤ T
J
≤ +125˚C
75
V
IN -VREF
Dropout Voltage (Note 9)
I
LOAD = 10mA
175
400
mV
V
N
Output Noise Voltage
0.1 Hz to 10 Hz
350
µV
PP
I
SC
Short Circuit Current
75
mA
V
IL
Enable Pin Maximum Low Input
Level
35
%V
IN
V
IH
Enable Pin Minimum High Input
Level
65
%V
IN
Note 1: Absolute Maximum Ratings indicate limits beyond which damage may occur to the device. Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications, see Electrical Characteristics.
Note 2: Without PCB copper enhancements. The maximum power dissipation must be de-rated at elevated temperatures and is limited by TJMAX (maximum
junction temperature),
θJ-A (junction to ambient thermal resistance) and TA (ambient temperature). The maximum power dissipation at any temperature is: PDissMAX
=(TJMAX -TA)/θJ-A up to the value listed in the Absolute Maximum Ratings. θJ-A for SOT23-5 package is 220˚C/W, TJMAX = 125˚C.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin.
Note 4: Limits are 100% production tested at 25˚C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control.
Note 5: Typical numbers are at 25˚C and represent the most likely parametric norm.
Note 6: Temperature coefficient is measured by the "Box" method; i.e., the maximum
∆VREF is divided by the maximum ∆T.
Note 7: Long term stability is VREF @25˚C measured during 1000 hrs.
Note 8: Thermal hysteresis is defined as the change in +25˚C output voltage before and after cycling the device from (-40˚C to 125˚C).
Note 9: Dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5V input.
www.national.com
8


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