TPS40428RHAT Datasheet PDF - TI

● Smart Power Mode in Factory Default (Compatible with TI Smart Power StageCSD95378B and Pin-for-Pin Equivalent to TPS40425 – Non-Smart Power Mode inFactory Default)

● Single Supply Operation: 4.5 V to 20 V

● VOUT from 0.6 V

● Dual or Multi-Phase Synchronous Buck Controller

● Individual High-Speed AVS Interface

● Fast Transient Response

● Stackable up to Four Phases

● 2-, 3-, or 4-Phase Interleaved Phase Shifts

● Accurate Current Sharing

● PMBus Interface Capability

● Margining Up/Down with 2-mV Step

● Programmable Fault Limit and Response

● ±0.8% VOUT

● Accuracy Current Monitoring

● ±3°C External Temperature Monitoring In Smart Power Mode

● Programmable UVLO ON/OFF Thresholds

● Programmable Soft-Start Time, Turn-On Delay, and Turn-OffDelay

● On-Chip Non-Volatile Memory (NVM) to Store Custom Configurations

● 0.6-V Reference Voltage with 0.5% Accuracy from –40°C to 125°C

● Programmable ƒSW from 200 kHz to 1.5 MHz

● Supports Pre-biased Output

● Differential Remote Sensing

● Synchronization to an Extermal Clock

● OC/OV/UV/OT Fault Protection

● 40-Pin, 6 mm × 6 mm, QFN Package