Synchronous Pwm Controller For Termination Power Supply Applications -

The IRU3138 controller IC is designed to provide a low cost synchronous Buck Regulator for voltage tracking applications such DDR memory and general purpose on-board DC to DC converter. Modern micro processors combined with DDR memory, need high-speed bandwidth data bus which requires a particular bus termination volt- age. This voltage will be tightly regulated to track the half of chipset voltage for best performance. The IRU3138 together with two N-Channel MOSFETs provide a low cost solution for such applications. This device features a programmable frequency set from 200KHz to 400KHz, under-voltage lockout for both Vcc and Vc supplies, an external programmable soft-start function as well as output under-voltage detection that Latches off the de- vice when an output short is detected. By International Rectifier Corp.
IRU3138 's PackagesIRU3138 's pdf datasheet

IRU3138 Pinout, Pinouts
IRU3138 pinout,Pin out
This is one package pinout of IRU3138,If you need more pinouts please download IRU3138's pdf datasheet.

IRU3138 Application circuits
IRU3138 circuits
This is one application circuit of IRU3138,If you need more circuits,please download IRU3138's pdf datasheet.

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