TL431IDBZR215 Datasheet, PDF (2/27 Pages) NXP Semiconductors – Adjustable precision shunt regulator

NXP Semiconductors
TL431 family
Adjustable precision shunt regulator
2. Features and benefits
 Programmable output voltage up to 36 V
 Three different reference voltage tolerances:
 Standard grade: 2 %
 A-Grade: 1 %
 B-Grade: 0.5 %
 Typical temperature drift: 6 mV (in a range of 0 C up to 70 C)
 Low output noise
 Typical output impedance: 0.2 
 Sink current capability: 1 mA to 100 mA
 AEC-Q100 qualified (grade 1)
3. Applications
 Shunt regulator
 Precision current limiter
 Precision constant current sink
 Isolated feedback loop for Switch Mode Power Supply (SMPS)
4. Quick reference data
Table 2.
Symbol
V_KA
I_K
V_ref
Quick reference data
Parameter
cathode-anode voltage
cathode current
reference voltage
Standard-Grade (2 %)
A-Grade (1 %)
B-Grade (0.5 %)
Conditions
V_KA = V_ref;
I_K = 10 mA;
T_amb = 25 C
Min Typ Max Unit
V_ref
-
1
-
36
V
100 mA
2440 2495 2550 mV
2470 2495 2520 mV
2483 2495 2507 mV
TL431_FAM
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 30 June 2011
© NXP B.V. 2011. All rights reserved.
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