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TL432BIPK Datasheet(Hoja de datos) 9 Page - Texas Instruments

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No. de Pieza. TL432BIPK
Descripción  Precision Programmable Reference
Descarga  74 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 9 page
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R2
R1
|z |
KA
(1 +
(
∆I
∆V
|z'| =
∆I
KA
∆V
KA
|z | =
KA
(2)
The dynamic impedance is defined as:
When the device is operating with two external resistors (see Figure 21), the total dynamic impedance of the circuit is given by:
which is approximately equal to
.
TL431, TL431A, TL431B
TL432, TL432A, TL432B
www.ti.com
SLVS543O – AUGUST 2004 – REVISED JANUARY 2015
7.9 Electrical Characteristics, TL431AI, TL432AI
over recommended operating conditions, TA = 25°C (unless otherwise noted)
TL431AI, TL432AI
PARAMETER
TEST CIRCUIT
TEST CONDITIONS
UNIT
MIN
TYP
MAX
Vref
Reference voltage
See Figure 20
VKA = Vref, IKA = 10 mA
2470
2495
2520
mV
SOT23-3 and TL432
Deviation of reference input
14
34
VKA = Vref,
devices
VI(dev)
voltage over full temperature
See Figure 20
mV
IKA = 10 mA
range(1)
All other devices
5
50
Ratio of change in reference
ΔVKA = 10 V – Vref
–1.4
–2.7
ΔVref /
voltage to the change in
See Figure 21
IKA = 10 mA
mV/V
ΔVKA
ΔVKA = 36 V – 10 V
–1
–2
cathode voltage
Iref
Reference input current
See Figure 21
IKA = 10 mA, R1 = 10 kΩ, R2 = ∞
2
4
µA
Deviation of reference input
II(dev)
current over full temperature
See Figure 21
IKA = 10 mA, R1 = 10 kΩ, R2 = ∞
0.8
2.5
µA
range(1)
Minimum cathode current for
Imin
See Figure 20
VKA = Vref
0.4
0.7
mA
regulation
Ioff
Off-state cathode current
See Figure 22
VKA = 36 V, Vref = 0
0.1
0.5
µA
|zKA|
Dynamic impedance(2)
See Figure 20
VKA = Vref, f ≤ 1 kHz, IKA = 1 mA to 100 mA
0.2
0.5
(1)
The deviation parameters Vref(dev) and Iref(dev) are defined as the differences between the maximum and minimum values obtained over
the rated temperature range. The average full-range temperature coefficient of the reference input voltage
αVref is defined as:
αVref is positive or negative, depending on whether minimum Vref or maximum Vref, respectively, occurs at the lower temperature.
Copyright © 2004–2015, Texas Instruments Incorporated
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Product Folder Links: TL431 TL431A TL431B TL432 TL432A TL432B




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