UCC28951PWR 100 kHz 5 mA TPS23753APWR SI53212-A01AGM Clock Buffer chip in stock original

1 Features

• Enhanced zero-voltage switching (ZVS) range

• Direct synchronous rectifier (SR) control

• Light-load efficiency management including: – Burst mode operation – Discontinuous conduction mode (DCM), dynamic SR on/off control with programmable threshold – Programmable adaptive delay

• Average- or peak-current mode control with programmable slope compensation and voltagemode control

• Closed-loop soft-start and enable function • Programmable switching frequency up to 1 MHz with bidirectional synchronization

• (±3%) cycle-by-cycle current limit protection with hiccup mode support

• 150-µA start-up current

• VDD undervoltage lockout • Wide temperature range: –40°C to +125°C

2 Applications

• Phase-shifted full-bridge converters

• Server power supply • Industrial power systems

• High-density power architectures

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