參數(shù)資料
型號: TL431AIU2/48H
廠商: VISHAY SILICONIX
元件分類: 基準電壓源/電流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO3
封裝: MO-78AA, SOT-23, 3PIN
文件頁數(shù): 10/16頁
文件大?。?/td> 319K
代理商: TL431AIU2/48H
Electrical Characteristics TA = 25°C unless otherwise noted.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
VZ = VREF
GS431B 2.487
2.500
2.513
IL = 10mA (Fig. 1)
TL431A
2.475
2.500
2.525
Reference Voltage
VREF
TA = 25°C
TL431
2.450
2.500
2.550
V
VZ = VREF
GS431B 2.475
2.525
IL = 10mA (Fig. 1)
TL431A
2.445
2.545
TA = –20°C to +85°C
TL431
2.430
2.560
Deviation of reference
VREF
VZ = VREF
mV
Input voltage over temperature (1)
IL = 10mA
TA = –20
°C to +85°C (Fig. 1)
3.0
17
Ratio of the change in reference voltage
VREF
IZ = 10mA
VZ = VREF ~ 10V
1.4
2.7
mV/V
to the change in cathode voltage
VZ
(Fig. 2)
VZ = 10V ~ 30V
1.0
2.0
Reference input current
IREF
R1 = 10K
, R2 = ∞
TA = 25°C
0.7
4.0
A
IL = 10mA (Fig. 2)
TA = –20°C to +85°C
5.2
Deviation of reference input
R1 = 10K
, R2 = ∞
current over temperature
αIREF
IL = 10mA
0.4
1.2
A
TA = –20
°C to +85°C (Fig. 2)
Minimum cathode current
IZ(MIN)
VZ = VREF (Fig. 1)
0.5
1.0
mA
for regulation
Off-state current
IZ(OFF)
VZ = 36V, VREF = 0V (Fig 3)
2.6
1000
nA
Dynamic output impedance(2)
RZ
VZ = VREF, f = 1.0KHZ
0.22
0.5
IZ = 1.0mA to 50mA
Absolute Maximum Ratings TA = 25°C unless otherwise noted.
Parameter
Symbol
Value
Unit
Cathode voltage
VZ
37
V
Continuous cathode current
IZ
–10 to 150
mA
Reference Input Current Range
IREF
–0.05 to10
mA
Operating Temperature Range
Toper
–20 to 85
°C
Junction Temperature
TJ
150
°C
Lead Temperature
TL
260
°C
Storage Temperature
Tstg
–65 to 150
°C
Thermal Resistance
TO-92 Package
160
SOT-23 Package
R
θJA
400
°C/W
SO-8 Package
163
SOT-89 Package
52*
*Measured according to JESD Si-7 guidelines
GS431B/TL431A/TL431
Vishay Siliconix
Document Number 74806
www.vishay.com
11-Jun-04
3
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