參數(shù)資料
型號(hào): LM4121AIM5X-1.2/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1.25 V, PDSO5
封裝: LEAD FREE, SOT-23, 5 PIN
文件頁(yè)數(shù): 9/15頁(yè)
文件大小: 419K
代理商: LM4121AIM5X-1.2/NOPB
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
0.3V to 14V
Output Short-Circuit Duration
Indefinite
Power Dissipation (T
A = 25C) (Note 2):
MA05B package
θ
JA
280C/W
Power Dissipation
350 mW
ESD Susceptibility (Note 3)
Human Body Model
Machine Model
2kV
200V
Lead Temperature:
Soldering, (10 sec.)
+260C
Vapor Phase (60 sec.)
+215C
Infrared (15 sec.)
+220C
Operating Range (Note 1)
Storage Temperature Range
65C to +150C
Ambient Temperature Range
40C to +85C
Junction Temperature Range
40C to +125C
Electrical Characteristics
LM4121-1.250V Unless otherwise specified V
IN = 3.3V, ILOAD =0, COUT = 0.01F, TA =Tj = 25C. Limits with
standard typeface are for T
j = 25C, and limits in boldface type apply over the 40C ≤ TA ≤ +85C temperature range.
Symbol
Parameter
Conditions
Min (Note 5)
Typ (Note 4)
Max (Note 5)
Units
V
OUT
Output Voltage Initial
Accuracy
LM4121A-1.250
1.250
±0.2
%
LM4121-1.250
±0.5
TCV
OUT/C
Temperature Coefficient
40C
≤ T
A ≤ +125C
14
50
ppm/c
V
OUT/VIN
Line Regulation
1.8V
≤ V
IN ≤ 12V
0.0007
0.009
0.012
%/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
Min-V
IN
Minimum Operating Voltage
I
LOAD = 5mA
1.5
1.8
V
N
Output Noise Voltage
0.1 Hz to 10 Hz
20
V
PP
10 Hz to 10 kHz
30
V
RMS
I
S
Supply Current
160
250
275
A
I
SS
Power-down Supply Current
V
IN = 12V
Enable = 0.4V
Enable = 0.2V
1
2
A
V
H
Logic High Input Voltage
1.6
1.5
V
L
Logic Low Input Voltage
0.4
V
0.2
I
H
Logic High Input Current
7
15
A
I
L
Logic Low Input Current
0.1
A
I
SC
Short Circuit Current
V
IN = 3.3V, VOUT =0
15
mA
630
V
IN = 12V, VOUT =0
17
630
Hyst
Thermal Hysteresis
(Note 8)
40C
≤ T
A ≤ 125C
0.5
mV/V
V
OUT
Long Term Stability
(Note 9)
1000 hrs. @ 25C
100
ppm
LM4121
www.national.com
3
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