TL431_10 Datasheet, PDF (4/12 Pages) Texas Instruments – PRECISION PROGRAMMABLE REFERENCE

PROGRAMMABLE PRECISION SHUNT REGULATOR TL431/A/C
PIN CONFIGURATION
Marking
Side
2
TOP
TOP
123
TO-92 PKG
1
3
SOT-23 PKG
123
SOT-89 PKG
PIN DESCRIPTION
Pin No.
1
2
3
Name
Reference
Anode
Cathode
TO-92 / SOT-23 / SOT-89
Function
Reference Voltage
Ground
Input Supply Voltage
TL431 ELECTRICAL CHARACTERISTICS
CHARACTERISTIC
SYMBOL
TEST CONDITION
Reference Input Voltage
V_REF
V_KA =V_REF,
I_K =10mA
TL431C
TL431A
TL431
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
ΔV_REF/ΔT
V_KA = V_REF, I_K =10mA
T_A =Full Range
ΔV_REF/ΔV_KA
I_REF
I_K =10mA
ΔV_KA=10V -V_REF
ΔV_KA=36V-10V
I_KA=10mA, R₁=10㏀, R₂=∞
ΔI_REF/ΔT
I_K =10mA, R₁=10㏀, R₂=∞
T_A =Full Range
Minimum Cathode Current
for Regulation
I_K(MIN)
V_KA= V_REF
Off-State Cathode Current
Dynamic Impedance
I_K(OFF)
Z_KA
V_KA=36V, V_REF=0
V_KA= V_REF, I_K =1mA~100mA
f ≤ 1kHz
(T_A=25℃, unless otherwise specified)
MIN. TYP. MAX. UNIT
2.483 2.495 2.507
2.470 2.495 2.520
V
2.440 2.495 2.550
8
20
mV
-1.4
-2.7
mV/V
-1.0
-2.0
1.8
4.0
uA
0.4
1.2
uA
0.5
mA
0.17
0.90
uA
0.27
0.50
Ω
Dec. 2010 – Rev.1.5
-4-
HTC