參數(shù)資料
型號(hào): LM4121AIM5X-1.2
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Precision Micropower Low Dropout Voltage Reference
中文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.25 V, PDSO5
封裝: SOT-23, 5 PIN
文件頁數(shù): 3/16頁
文件大?。?/td> 436K
代理商: LM4121AIM5X-1.2
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Maximum Voltage on input or
enable pins
Output Short-Circuit Duration
Power Dissipation (T
A
= 25C) (Note 2):
MA05B package
θ
JA
Power Dissipation
ESD Susceptibility (Note 3)
Human Body Model
Machine Model
0.3V to 14V
Indefinite
280C/W
350 mW
2 kV
200V
Lead Temperature:
Soldering, (10 sec.)
Vapor Phase (60 sec.)
Infrared (15 sec.)
+260C
+215C
+220C
Operating Range
(Note 1)
Storage Temperature Range
Ambient Temperature Range
Junction Temperature Range
65C to +150C
40C to +85C
40C to +125C
Electrical Characteristics
LM4121-1.250V
Unless otherwise specified V
IN
= 3.3V, I
LOAD
= 0, C
OUT
= 0.01μF, T
A
= T
j
= 25C. Limits with
standard typeface are for T
j
= 25C, and limits in
boldface type
apply over the 40C
T
A
+85C temperature range.
Symbol
V
OUT
Parameter
Conditions
Min
(Note 5)
Typ
(Note 4)
Max
(Note 5)
Units
Output Voltage Initial
Accuracy
LM4121A-1.250
LM4121-1.250
Temperature Coefficient
Line Regulation
1.250
±
0.2
%
±
0.5
50
0.009
0.012
0.08
0.17
0.04
0.1
0.12
TCV
OUT
/C
V
OUT
/
V
IN
40C
T
A
+125C
1.8V
V
IN
12V
14
ppm/c
0.0007
%/V
V
OUT
/
I
LOAD
Load Regulation
0 mA
I
LOAD
1 mA
0.03
%/mA
1 mA
I
LOAD
5 mA
0.01
1 mA
I
LOAD
0 mA
5 mA
I
LOAD
1 mA
I
LOAD
= 5mA
0.1 Hz to 10 Hz
10 Hz to 10 kHz
0.04
0.01
1.5
20
30
160
Min-V
IN
V
N
Minimum Operating Voltage
Output Noise Voltage
1.8
V
μV
PP
μV
RMS
μA
I
S
Supply Current
250
275
I
SS
Power-down Supply Current
V
IN
= 12V
Enable = 0.4V
Enable = 0.2V
1
2
μA
V
H
V
L
Logic High Input Voltage
Logic Low Input Voltage
1.6
1.5
0.4
V
V
0.2
15
I
H
I
L
Logic High Input Current
Logic Low Input Current
7
μA
μA
0.1
15
I
SC
Short Circuit Current
V
IN
= 3.3V, V
OUT
= 0
mA
6
30
V
IN
= 12V, V
OUT
= 0
17
6
30
Hyst
Thermal Hysteresis
(Note 8)
Long Term Stability
(Note 9)
40C
T
A
125C
0.5
mV/V
V
OUT
1000 hrs.
@
25C
100
ppm
L
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