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TL431ACD Datasheet(Fiches technique) 16 Page - Texas Instruments

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Numéro de pièce TL431ACD
Description  ADJUSTABLE PRECISION SHUNT REGULATORS
Télécharger  67 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TL431ACD Datasheet(HTML) 16 Page - Texas Instruments

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TL431, TL431A, TL431B
TL432, TL432A, TL432B
ADJUSTABLE PRECISION SHUNT REGULATORS
SLVS543J ? AUGUST 2004 ? REVISED DECEMBER 2005
16
POST OFFICE BOX 655303
? DALLAS, TEXAS 75265
electrical characteristics over recommended operating conditions, TA = 25C (unless otherwise
noted)
PARAMETER
TEST
CIRCUIT
TEST CONDITIONS
TL431BI
TL432BI
UNIT
PARAMETER
CIRCUIT
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref
Reference voltage
2
VKA = Vref,
IKA = 10 mA
2483
2495
2507
mV
VI(dev)
Deviation of reference voltage
over full temperature range
(see Figure 1)
2
VKA = Vref, IKA = 10 mA,
TA = ?40C to 85C
14
34
mV
DV
ref
Ratio of change in reference voltage
3
IKA = 10 mA
?VKA = 10 V ? Vref
?1.4
?2.7
mV
DV
ref
DV
KA
Ratio of change in reference voltage
to the change in cathode voltage
3
IKA = 10 mA
?VKA = 36 V ? 10 V
?1
?2
mV
V
Iref
Reference current
3
IKA = 10 mA, R1 = 10 k?, R2 = ?
2
4
A
II(dev)
Deviation of reference current
over full temperature range
(see Figure 1)
3
IKA = 10 mA, R1 = 10 k?, R2 = ?,
TA = ?40C to 85C
0.8
2.5
A
Imin
Minimum cathode current
for regulation
2
VKA = Vref
0.4
0.7
mA
Ioff
Off-state cathode current
4
VKA = 36 V,
Vref = 0
0.1
0.5
A
|zKA|
Dynamic impedance (see Figure 1)
2
IKA = 1 mA to 100 mA, VKA = Vref,
f
? 1 kHz
0.2
0.5
?
electrical characteristics over recommended operating conditions, TA = 25C (unless otherwise
noted)
PARAMETER
TEST
CIRCUIT
TEST CONDITIONS
TL431BQ
TL432BQ
UNIT
PARAMETER
CIRCUIT
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Vref
Reference voltage
2
VKA = Vref,
IKA = 10 mA
2483
2495
2507
mV
VI(dev)
Deviation of reference voltage
over full temperature range
(see Figure 1)
2
VKA = Vref, IKA = 10 mA,
TA = ?40C to 125C
14
34
mV
DV
ref
Ratio of change in reference voltage
3
IKA = 10 mA
?VKA = 10 V ? Vref
?1.4
?2.7
mV
DV
ref
DV
KA
Ratio of change in reference voltage
to the change in cathode voltage
3
IKA = 10 mA
?VKA = 36 V ? 10 V
?1
?2
mV
V
Iref
Reference current
3
IKA = 10 mA, R1 = 10 k?, R2 = ?
2
4
A
II(dev)
Deviation of reference current
over full temperature range
(see Figure 1)
3
IKA = 10 mA, R1 = 10 k?, R2 = ?,
TA = ?40C to 125C
0.8
2.5
A
Imin
Minimum cathode current
for regulation
2
VKA = Vref
0.4
0.7
mA
Ioff
Off-state cathode current
4
VKA = 36 V,
Vref = 0
0.1
0.5
A
|zKA|
Dynamic impedance (see Figure 1)
1
IKA = 1 mA to 100 mA, VKA = Vref,
f
? 1 kHz
0.2
0.5
?


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Numéro de composants électroniques

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