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LMV431ACM5/NOPB 其他数据使用手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电压基准芯片
封装:
SOT-23-5
描述:
TEXAS INSTRUMENTS LMV431ACM5/NOPB 电压基准, 精密, 分流 - 可调, LMV431A系列, 1.24V至30V, SOT-23-5
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LMV431ACM5/NOPB数据手册
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range −65˚C to +150˚C
Operating Temperature Range
Industrial (LMV431AI, LMV431I) −40˚C to +85˚C
Commercial (LMV431AC,
LMV431C, LMV431BC)
0˚C to +70˚C
Lead Temperature
TO92 Package/SOT23 -5,-3 Package
(Soldering, 10 sec.) 265˚C
Internal Power Dissipation (Note 2)
TO92
0.78W
SOT23-5, -3 Package 0.28W
Cathode Voltage 35V
Continuous Cathode Current −30 mA to +30mA
Reference Input Current range −.05mA to 3mA
Operating Conditions
Cathode Voltage V
REF
to 30V
Cathode Current 0.1 mA to 15mA
Temperature range
LMV431AI −40˚C ≤ T
A
≤ 85˚C
Thermal Resistance (θ
JA
)(Note 3)
SOT23-5, -3 Package 455 ˚C/W
TO-92 Package 161 ˚C/W
Derating Curve (Slope = −1/θ
JA
)
10095830
LMV431C Electrical Characteristics
T
A
= 25˚C unless otherwise specified
Symbol Parameter Conditions Min Typ Max Units
V
REF
Reference Voltage V
Z
=V
REF
,I
Z
= 10mA
(See Figure 1 )
T
A
= 25˚C 1.222 1.24 1.258
T
A
= Full Range 1.21 1.27 V
V
DEV
Deviation of Reference Input Voltage
Over Temperature (Note 4)
V
Z
=V
REF
,I
Z
= 10mA,
T
A
= Full Range (See Figure 1)
412mV
Ratio of the Change in Reference
Voltage to the Change in Cathode
Voltage
I
Z
= 10mA (see Figure 2 )
V
Z
from V
REF
to 6V
R
1
= 10k, R
2
=
∞
and 2.6k
−1.5 −2.7 mV/V
I
REF
Reference Input Current R
1
= 10kΩ,R
2
=
∞
I
I
= 10mA (see Figure 2)
0.15 0.5 µA
∝
I
REF
Deviation of Reference Input Current
over Temperature
R
1
= 10kΩ,R
2
=
∞
,
I
I
= 10mA, T
A
= Full Range (see Figure 2)
0.05 0.3 µA
I
Z(MIN)
Minimum Cathode Current for
Regulation
V
Z
=V
REF
(see Figure 1)5580µA
I
Z(OFF)
Off-State Current V
Z
=6V, V
REF
=0V(see Figure 3 ) 0.001 0.1 µA
r
Z
Dynamic Output Impedance (Note 5) V
Z
=V
REF
,I
Z
= 0.1mA to 15mA
Frequency = 0Hz (see Figure 1) 0.25 0.4 Ω
LMV431/LMV431A/LMV431B
www.national.com 4
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