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Three-terminal shunt regulator family with an output voltage range between
Vref = 2.495 V and 36 V, to be set by two external resistors.
Reference voltage tolerance (Vref) | Temperature range (Tamb) | Pinning configuration | ||
|---|---|---|---|---|
0 ° C to 70 °C | -40 ° C to 85 °C | -40 ° C to 125 °C | ||
2.0 % | TL431CDBZR | TL431IDBZR | TL431QDBZR | normal pinning |
TL431FDT | normal pinning | |||
TL431MFDT | mirrored pinning | |||
1.0 % | TL431ACDBZR | TL431AIDBZR | TL431AQDBZR | normal pinning |
TL431AFDT | normal pinning | |||
TL431AMFDT | mirrored pinning | |||
0.5 % | TL431BCDBZR | TL431BIDBZR | TL431BQDBZR | normal pinning |
TL431BFDT | normal pinning | |||
TL431BMFDT | mirrored pinning | |||
¥0.3971¥0.0000
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: 9 mV (in a range of 0 °C up to 70 °C)
Low output noise
Typical output impedance: 0.2 Ω
Sink current capability: 1 mA to 100 mA
AEC-Q100 qualified (grade 1)
Shunt regulator
Precision current limiter
Precision constant current sink
Isolated feedback loop for Switch Mode Power Supply (SMPS)