参数资料
型号: TL431BCPK
厂商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分类: 基准电压源/电流源
英文描述: 1-OUTPUT THREE TERM VOLTAGE REFERENCE, PSSO3
封装: PLASTIC, SOT-89, 3 PIN
文件页数: 5/11页
文件大小: 266K
代理商: TL431BCPK
TL431 / TL431A / TL431B
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
Copyright
1999
Rev. 1.4, 2006-09-26
WWW
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Precision programmable References
TM
O
BSOLETE
P
RODUCT
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ECOMMENDED
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OR
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EW
D
ESIGNS
ELECTRICAL CHA RACTERISTICS
Unless otherwise specified, these specifications apply over the operating ambient temperature for the TL431C/TL431AC/TL431BC with
0°C < TA < 70°C, and TL431I/TL431AI/TL431BI with -40°C < TA < 85°C
TL431/A/B
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
TL431
IK = 10mA, VKA = VREF, TA = 25°C
2440
2495
2550
TL431A
IK = 10mA, VKA = VREF, TA = 25°C
2470
2495
2520
Reference Input
Voltage
TL431B
VREF
IK = 10mA, VKA = VREF, TA = 25°C
2490
2500
2510
mV
TL431C
IK = 10mA, VKA = VREF
4
17
TL431I
IK = 10mA, VKA = VREF
5
30
TL431AC
IK = 10mA, VKA = VREF
4
17
TL431AI
IK = 10mA, VKA = VREF
5
30
TL431BC
IK = 10mA, VKA = VREF
4
15
Reference Drift
TL431BI
KA
REF
ΔV
IK = 10mA, VKA = VREF
5
20
mV
TL431,
TL431A
IK = 10mA, VKA = 2.5V to 36V
-1.4
-2.7
Voltage Ratio, Ref to
Cathode (Note 4)
TL431B
IK = 10mA, VKA = 2.5V to 36V
-1.1
-2.0
mV/V
TL431,
TL431A
VKA = VREF, TA = 25°C
2
4
Reference Input
Current
TL431B
IREF
VKA = VREF, TA = 25°C
1.5
1.9
A
Minimum Operating Current
IMIN
VKA = VREF to 36V
0.4
1
mA
TL431
VKA = VREF to 36V, TA= 25°C
0.1
1
TL431A
VKA = VREF to 36V, TA= 25°C
0.1
1
VKA = VREF to 36V, TA= Operating Range
2
Off-State Cathode
Current
TL431B
IOFF
VKA = 36V, VREF = 0V, TA= 25°C
0.18
0.5
A
TL431
I ZKA I
VKA = VREF, IK = 1mA to 100mA, f < 1kHz,
TA = 25°C
0.2
0.5
Dynamic Impedance
TL431B
VKA = VREF, IK = 1mA to 100mA, f < 1kHz,
TA = 25°C
0.1
0.2
Note 3: These parameters are guaranteed by design.
Note 4:
KA
REF
ΔV
Ratio of change in reference input voltage to the change in cathode voltage.
EE
LL
EE
CC
TT
RR
IICC
AA
LL
SS
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