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TL431-Q1 View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
TL431-Q1 ADJUSTABLE PRECISION SHUNT REGULATOR TI
Texas Instruments TI
TL431-Q1 Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
TL431-Q1
ADJUSTABLE PRECISION SHUNT REGULATOR
SGLS302C − MARCH 2005 − REVISED APRIL 2008
equivalent schematic{
CATHODE
800
REF
2.4 k
3.28 k
4 k
7.2 k
20 pF
800
20 pF
150
10 k
ANODE
All component values are nominal.
800
1 k
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Cathode voltage, VKA (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 V
Continuous cathode current range, IKA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −100 mA to 150 mA
Reference input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 µA to 10 mA
Operating virtual junction temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
ESD protection level (see Note 2): HBM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (H2) 2.5 kV
CDM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (C4) 1 kV
MM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (M2) 200 V
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.
NOTE 1: Voltage values are with respect to the ANODE terminal, unless otherwise noted.
NOTE 2: ESD Protection Level per AEC Q100 Classification
package thermal data (see Note3)
PACKAGE
SOT-23-5 (DBV)
BOARD
High K, JESD 51-7
θJC
131°C/W
θJA
206°C/W
SOT-23-3 (DBZ)
High K, JESD 51-7
76°C/W
206°C/W
NOTE 3: 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.
recommended operating conditions
VKA
IKA
TA
Cathode voltage
Cathode current
Operating free-air temperature range
MIN MAX UNIT
Vref
36 V
1 100 mA
−40 125 °C
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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