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FULL DATA SHEET (PDF, 136kB) Download   E-Mail MAX1972EVKIT evaluation kit (EV kit) is a fully assembled and tested circuit board that evaluates the MAX1970 family of dual step-down regulators. The circuit operates from an input voltage of 2.6V to 5.5V, and delivers a minimum of 750mA on each output. The output voltages are programmable from 0.8V to VIN using external feedback resistors, or they can be preset to 3.3V or 1.8V for output 1, and 2.5V or 1.5V for output 2. The board has a MAX1972 installed, but it can also be used to evaluate the MAX1970 and the MAX1971. The MAX1971 features a reset input (RSI), while the MAX1970/MAX1972 feature a power-fail output (PFO).

Key Features		Applications/Uses
Current-Mode, 1.4MHz Fixed-Frequency PWM Operation Dual-Output 180° Out-of-Phase Operation Reduces Input Ripple Current ±1% Output Accuracy Over Load, Line, and Temperature Ranges 750mA Guaranteed Output Current 2.6V to 5.5V Input Power-On Reset Output (POR-bar) Power-Fail Output (MAX1970 and MAX1972) Power-On Reset Input (MAX1971) Ultra-Compact Design with Small External Components Outputs Adjustable from 0.8V to VIN 1.8V/3.3V and 1.5V/2.5V Preset All Ceramic Capacitor Application Soft-Start Reduces Inrush Current Fully Assembled and Tested		Copper Gigabit SFP and GBIC Modules Dual LDO Replacement USB-Powered Devices XDSL Modems xDSL Routers

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