Regulator Balance Controller - Semtech Corporation

The EZ1900 is a high performance positive load cur- rent balancer designed for use in applications utiliz- ing 2 Regulators in parallel to achieve equal current sharing or identical current for each load. The regula- tor balance controller allows a flexible motherboard design to be made to cope with different processor configurations. The controller reads a Logic level up- grade signal (denoted VCC2DET on the Intel P55C; sim- ilar on AMD, Cyrix and PowerPC microprocessors) to control the output voltage of two linear low dropout voltage Regulators to the CPU core and I/O planes. In single-voltage plane configurations (VCC2DET floating), both Regulators are set to the same output voltage (usually 3.3 - 3.5V) and are configured in master- slave mode. For split plane processors (VCC2DET low), the outputs of the two Regulators are switched - the core voltage will be set to a nominal 2.5V while the I/O voltage will remain at 3.3V. The actual output voltages CAN be adjusted by means of resistors. The EZ1900 programmable current balancer is available in the popular SO-8 surface mount package. By Semtech Corporation
EZ1900 's PackagesEZ1900 's pdf datasheet

EZ1900 Pinout, Pinouts
EZ1900 pinout,Pin out
This is one package pinout of EZ1900,If you need more pinouts please download EZ1900's pdf datasheet.

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