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STNRG328STR - Digital controller for STC/HSTC topologies

Product Description

STNRG328STR is a digital controller for STC/HSTC open loop resonant converter. It performs a power conversion from an input voltage in a typical range of 40 V to 60 V to an output voltage with a programmable conversion ratio from 2:1 to 10:1 with fixed duty cycle and programmable frequency from 140 kHz to 300 kHz. 

Product Features

Digital controller for STC/HSTC topologies

Support wide conversion ratio from 2:1 to 10:1 to provide several Vout

Typical application: Server DC/DC intermediate bus generation from 40 V to 60 V input voltage, 200 W to 2 kW output power range

Peripherals

10-bit ADC

UART interface

I2C master fast/slow speed rate

GPIOs

Memory

Flash and EEPROM with read-while-write (RWW) and Error Correction Code (ECC)

Program memory: 32 Kbytes Flash; data retention: 20 years at 55 °C after 1000 cycles at 55 °C

Data memory: 1 Kbyte true data EEPROM; data retention: 20 years at 55°C after 1000 cycles at 85 °C

RAM: 6 Kbytes

Operating temperature: -40 °C up to 105 °C

Package: VFQFPN32 5x5 mm

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