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TL431CDBVT 数据表(PDF) 9 Page - Texas Instruments

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部件名 TL431CDBVT
功能描述  TL431, TL432 Precision Programmable Reference
PDF  78 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

TL431CDBVT 数据表(HTML) 9 Page - Texas Instruments

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7.8 Electrical Characteristics, TL431AC, TL432AC
over recommended operating conditions, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CIRCUIT
TEST CONDITIONS
MIN TYP MAX
UNIT
Vref
Reference Voltage
See Figure 8-1
VKA = Vref, IKA = 10 mA
2470 2495 2520
mV
VI(dev)
Deviation of reference
input voltage over full
temperature range (1)
See Figure 8-1
VKA = Vref, IKA = 10 mA
SOT23-3 and TL432
devices
6
16
mV
All other devices
4
25
mV
ΔVref /
ΔVKA
Ratio of change in
reference voltage to
the change in cathode
voltage
See Figure 8-2
IKA = 10 mA
ΔVKA = 10 V - Vref
–1.4 –2.7
mV/V
ΔVKA = 36 V - 10 V
–1
–2
mV/V
Iref
Reference Input Current See Figure 8-2
IKA = 10 mA, R1 = 10kΩ, R2 = ∞
2
4
µA
II(dev)
Deviation of reference
input current over full
temperature range (1)
See Figure 8-2
IKA = 10 mA, R1 = 10kΩ, R2 = ∞
0.8
1.2
µA
Imin
Minimum cathode
current for regulation
See Figure 8-1
VKA = Vref
0.4
0.6
mA
Ioff
Off-state cathode current See Figure 8-3
VKA = 36 V, Vref = 0
0.1
0.5
µA
|ZKA|
Dynamic Impedance (2)
See Figure 8-1
VKA = Vref, f ≤ 1 kHz,
IKA = 1 mA to 100 mA
0.2
0.5
Ω
(1)
The deviation parameters VI(dev) and II(dev) are defined as the differences between the maximum and minimum values obtained over
the rated temperature range. For more details on VI(dev) and how it relates to the average temperature coefficient, see Temperature
Coefficient.
(2)
The dynamic impedance is defined by |ZKA| = ΔVKA/ΔIKA. For more details on |ZKA| and how it relates to VKA, see Dynamic
Impedance.
www.ti.com
TL431, TL432
SLVS543R – AUGUST 2004 – REVISED OCTOBER 2023
Copyright © 2023 Texas Instruments Incorporated
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Product Folder Links: TL431 TL432



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