TL431-HF-89 Datasheet, PDF (1/2 Pages) Guangdong Kexin Industrial Co.,Ltd – Adjustable Accurate Reference Source

SMD Ty p e
IC
Adjustable Accurate Reference Source
TL431-HF (KL431-HF)
Features
The output voltage can be adjusted to 36V
Low dynamic output impedance, its typical value is 0.2
Trapping current capability is 1 to 100mA
The typical value of the equivalent temperature factor in the
whole temperature scope is 50 ppm/
The effective temperature compensation in the working
range of full temperature
Low output noise voltage
Fast on-state response
● Pb−Free Package May be Available. The G−Suffix Denotes a
Pb−Free Lead Finish
1.70 0.1
0.42 0.1
0.46 0.1
Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified)
Parameter
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Power Dissipation
Operating Temperature
Storage Temperature Range
Symbol
Rating
Unit
VKA
37
V
IKA
-100 +150
mA
IREF
0.05 +10
mA
PD
500
mW
TOPR
0 70
TSTG
-65 +150
1.REFERENCE
2.ANODE
3.CATHODE
Electrical Characteristics (Ta = 25 unless otherwise specified)
Parameter
Reference Input Voltage
Deviation of Reference Input Voltage
Over Temperature (*)
Ratio of Change in Reference Input Voltage
to the Change in Cathode Voltage
Reference Input Current
Deviation of Reference Input Current
Over Full Temperature Range
Minimum Cathode Current for Regulation
Off-state Cathode Current
Symbol
Testconditons
VREF
VKA = VREF , IKA = 10mA
VREF/ T
VKA = VREF , IKA = 10mA
Tmin Ta Tmax
IKA = 10mA , VKA = 10V
VREF/ VKA
IKA = 10mA , VKA = 36V
VREF
10V
IREF
IKA = 10mA , R1 = 10K , R2 =
IREF/ T
IKA = 10mA , R1 = 10K , R2 =
TA = Full Temperature
IKA(min)
VKA = VREF
IKA(OFF)
VKA = 36V, VREF = 0
Dynamic Impedance
ZKA
VKA = VREF, IKA = 1 to 100mA,
f 1.0KHz
* TMIN = 0 , TMAX = +70
Min Typ Max Unit
2.45 2.5 2.55 V
4.5 17 mV
-1.0 -2.7 mV/V
-0.5 -2.0 mV/V
1.5 4
A
0.4 1.2
A
0.45 1.0 mA
0.05 1.0
A
0.15 0.5
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