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TL431 Datasheet, PDF (10/11 Pages) Motorola, Inc – PROGRAMMABLE PRECISION REFERENCES
PROGRAMMABLE PRECISION SHUNT REGULATOR
7. PWM Converter With Reference
TL431/A/C
8. Voltage Monitor
NOTE A : R3 and R4 are selected to provide the desired LED intensity and cathode current ≥1mA to the TL431 at the available VI(BATT).
9. Delay Timer
2008 – Rev. 1.2
- 10 -
HTC