Vrm 8.5 Pwm And Triple Linear Power System Controller

The RT9238 is a 4-in-one power controller optimized for high-performance Microprocessor and computer applications. The IC integrates a PWM Controller triple linear controller as well as monitoring and protection functions into a 28-pin SOP package. The PWM Controller regulates the Microprocessor core voltage with a synchronous buck converter. The first linear controller supplies the computer systems AGTL+ 1.2V bus power. The second linear controller provides power for the 1.5V AGP bus and the 3rd linear controller provides 1.8V power for the chipset core voltage and/or cache memory circuits. The RT9238 features an Intel VRM8.5 compatible, TTL 5-bit programmable DAC that adjusts the core voltage from 1.090V to 1.865V in 25mV steps. The 5- bit DAC has a typical 1% tolerance. The linear Regulators provide fixed output voltages of 1.2V (VOUT2), 1.5V (VOUT3) and 1.8V (VOUT4) or user- adjustable with an internal 1.265V reference. All the three linear Regulators drive external N-MOSFET or NPNs bipolar for the pass Transistor By Unkown
RT9238 's PackagesRT9238 's pdf datasheet

RT9238 Pinout, Pinouts
RT9238 pinout,Pin out
This is one package pinout of RT9238,If you need more pinouts please download RT9238's pdf datasheet.

RT9238 Application circuits
RT9238 circuits
This is one application circuit of RT9238,If you need more circuits,please download RT9238's pdf datasheet.

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