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MAX17409 Datasheet 1-phase Quick-pwm Nvidia Cpu Controller

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-4590; Rev 0; 4/09 .. KIT ATION EVALU E L B AVAILA 1-Phase Quick-PWM NVIDIA CPU.

General Description

The MAX17409 is a 1-phase Quick-PWM™ step-down VID power-supply controller for NVIDIA® graphics power.

The Quick-PWM control provides instantaneous response to fast-load current steps.

Active voltage positioning reduces power dissipation and bulk output capacitance requirements and allows ideal positioning pensation for tantalum, polymer, or ceramic bulk output capacitors.

Key Features

  • o 1-Phase Quick-PWM Controller o ±6mV VOUT Accuracy Over Line, Load, and Temperature o o o o o o o o o o 6-Bit Graphics DAC (12.5mV LSB) Active Voltage Positioning with Adjustable Gain Accurate Droop and Current Limit Remote Output and Ground Sense Buffered 2V Reference Output for Offsets Power-Good Window Comparator Temperature Comparator Drives Large Synchronous Rectifier FETs 2V to 26V Power Input Range Adjustable Switching Frequency (600kHz max) MAX17409 o Output Overvoltage and Undervolta.

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MAX17409 Distributor