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LM431 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 LM431은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 LM431 자료 제공

부품번호 LM431 기능
기능 Adjustable precision shunt regulators
제조업체 NXP Semiconductors
로고 NXP Semiconductors 로고


LM431 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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LM431 데이터시트, 핀배열, 회로
INTEGRATED CIRCUITS
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
Adjustable precision shunt regulators
Product specification
1997 Feb 25
Philips
Semiconductors




LM431 pdf, 반도체, 판매, 대치품
Philips Semiconductors
Adjustable precision shunt regulators
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
DC ELECTRICAL CHARACTERISTICS
25°C free-air temperature, unless otherwise stated.
SYMBOL
PARAMETER
TEST
CKT
TEST CONDITIONS
VREF
VREF(dev)
Reference input voltage
Deviation of reference input
voltage over full
temperature range3
Fig. 3 VKA = VREF, IK = 10mA
Fig. 3
VKA = VREF, IK = 10mA,
Tamb = full range2
LIMITS
TL431AC
TL431C/LM431AC
MIN TYP MAX MIN TYP MAX
2470 2495 2520 2440 2495 2550
UNIT
mV
4 15
4 17 mV
DVREF
DVKA
IREF
IREF(dev)
Ratio of change in reference
input voltage to the change
in cathode voltage
Reference input current
Deviation of reference input
current over full temperature
range3
Fig. 4
Fig. 4
VKA = 10V – VREF
IK = 10mA
VKA = 36V – 10V
IK = 10mA, R1 = 10k, R2 =
Fig. 4
IK = 10mA, R1 = 10k, R2 = ,
Tamb = full range2
–1.4 –2.7
–1 –2
24
0.8 1.2
–1.4 –2.7
mV/V
–1 –2
2 4 µA
0.4 1.2 µA
IMIN
IOFF
| ZKA |
Minimum cathode current
for regulation
Off-state cathode current
Dynamic impedance4
Fig. 3 VKA = VREF
Fig. 5
Fig. 3
VKA = 36V, VREF = 0
VKA = VREF, IK = 1mA to 100mA,
f 1kHz
0.4 0.6
0.1 0.5
0.2 0.5
0.4 1 mA
0.1 1
µA
0.2 0.5
25°C free-air temperature, unless otherwise stated.
SYMBOL
PARAMETER
TEST
CKT
TEST CONDITIONS
VREF
VREF(dev)
Reference input voltage
Deviation of reference input
voltage over full
temperature range3
Fig. 3 VKA = VREF, IK = 10mA
Fig. 3
VKA = VREF, IK = 10mA,
Tamb = full range2
LIMITS
TL431AI
TL431I
MIN TYP MAX MIN TYP MAX
2470 2495 2520 2440 2495 2550
UNIT
mV
5 25
5 30 mV
DVREF
DVKA
IREF
IREF(dev)
Ratio of change in reference
input voltage to the change
in cathode voltage
Reference input current
Deviation of reference input
current over full temperature
range3
Fig. 4
Fig. 4
VKA = 10V – VREF
IK = 10mA
VKA = 36V – 10V
IK = 10mA, R1 = 10k, R2 =
Fig. 4
IK = 10mA, R1 = 10k, R2 = ,
Tamb = full range2
–1.4 –2.7
–1 –2
24
0.8 2.5
–1.4 –2.7
mV/V
–1 –2
2 4 µA
0.8 2.5 µA
IMIN
IOFF
| ZKA |
Minimum cathode current
for regulation
Off-state cathode current
Dynamic impedance4
Fig. 3 VKA = VREF
Fig. 5
Fig. 3
VKA = 36V, VREF = 0
VKA = VREF, IK = 1mA to 100mA,
f 1kHz
0.4 0.7
0.1 0.5
0.2 0.5
0.4 1
0.1 1
0.2 0.5
µA
µA
NOTES:
2. Full temperature range is –40°C to +85°C for the TL431I and TL431AI, and 0°C to +70°C for the TL431C and TL431AC.
3. The deviation parameters VREF(dev) and IREF(dev) are defined as the differences between the maximum and minimum values obtained over
the rated termperature range. The average full-range temperature coefficient of the reference input voltage, αVREF, is defined as:
ǒ Ǔppm
VREF(dev)
VREF at 25oC
@ 106
ǒ Ǔ| aVREF | deg C +
DTamb
Max VREF
VREF(dev)
Min VREF
Tamb
where Tamb is the rated operating free-air temperature range of the device.
1997 Feb 25
4

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LM431 전자부품, 판매, 대치품
Philips Semiconductors
Adjustable precision shunt regulators
Product specification
TL431C, TL431AC, TL431I,
TL431AI, LM431AC
4
3
2
1
0
–1
–2
–3
–4
0 1 2 3 4 5 6 7 8 9 10
t – TIME – (SECONDS)
Equivalent Input Noise Voltage Over a 10-Second Period
19.1V
1k
500µF
910
2000µF
TL431
(DUT)
820
16
0.1µF
VCC
TLE2027
AV = 10V/mV
1µF
160k
16k16k
1µF
VCC
TLE2027
AV = 2V/V
33k
33k
VEE
Test Circuit
Figure 12.
VEE
22µF
1M
CRO
SL01174
1997 Feb 25
400
IK = 10mA
Tamb = 25°C
350
300
250
200
150
100
10
100 1K 10K
f–FREQUENCY–Hz
Figure 13. Equivalent Input Noise Voltage vs. Frequency
100K
7
SL01180

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