TL431X Datasheet, PDF (1/2 Pages) Micro Commercial Components – Programmable Precision Shunt Regulator

MCC
TM
Micro Commercial Components

  omponents
20736 Marilla Street Chatsworth

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0,9:708
• Output voltage can be adjusted to 36V
• Trapping current capability is 1 to 100 mA
• The effective temperature compensation in the working range of full
temperature
TL431X
Programmable
Precision Shunt
Regulator
0D[LPXP 5DWLQJV # 7457 $SSOLHV 8QOHVV 2WKHUZLVH 1RWHG
Parameter
Symbol
Value
Unit
Input Voltage (Vo=5.8V)
Operating Junction Temperature
Storage Temperature Range
V₁
T_OPR
T_STG
37
0---70
-55---+150
::^V
(OHFWULFDO &KDUDFWHULVWLFV # °& 8QOHVV 2WKHUZLVH 6SHFLILHG
Parameter
Sym Min Typ Max Test conditions
Reference Input
Voltage
Vref
2.44V
0V
2.49V
5V
2.55V
0V
V_KA=V_REF, I_KA=10mA
Deviation of reference
input voltage
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
æ æ Vref/ T
æ æ V_ref/
VKA
Iref
æ æ I_ref/ T
4.5mV
-1.0
-0.5
1.5uA
0.4uA
17mV
-2.7
-2.0
4uA
1.2uA
V_KA=V_REF, I_KA=10mA
T_min Ta T_max
æ V_KA=
 10V V_ref
æ V_KA=
 36V 10V
I_KA=10mA
 ^{IKA=10mA, R1=10K}
R2=
è I_KA=10mA, R1=10K
 R2=
T_A=full Temperature
Minimum Cathode
Current for Regulation
IKA(min)
0.45m
A
1.0mA V_KA=V_REF
Off-State Cathode
Current
Dynamic Impedance
IKA(OFF)
ZKA
0.05uA
è 0.15
1.0uA
è 0.5
V_KA=36V, V_REF=0V
V_KA=V_REF, I_KA=1 to
100mA, f 1.0KHz
*Note: Bypass Capacitors are recommended for optimum stability and
transient response and should be located as close as possible to
the regulators
SOT-89













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1. REFERENCE
2. ANODE
3. CATHODE

















 


 

 








































 










Revision: 2
www.mccsemi.com
2003/04/10