
TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T JULY 1996 REVISED JUNE 2007
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Cathode voltage, VKA (see Note 1)
7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous cathode current range, IK
20 mA to 20 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference current range, Iref
0.05 mA to 3 mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance,
θJA (see Notes 2 and 3): D package
97
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
DBV package
206
°C/W
. . . . . . . . . . . . . . . . . . . . . . . .
DBZ package
206
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . .
DCK package
252
°C/W
. . . . . . . . . . . . . . . . . . . . . . . .
LP package
140
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . .
PK package
52
°C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature
150
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. Voltage values are with respect to the anode terminal, unless otherwise noted.
2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
recommended operating conditions
MIN
MAX
UNIT
VKA
Cathode voltage
VREF
6
V
IK
Cathode current
0.1
15
mA
TLV431_C
0
70
TA
Operating free-air temperature range
TLV431_I
40
85
°C
A
pg
p
g
TLV431_Q
40
125