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FULL DATA SHEET (PDF, 508kB) Download   E-Mail The MAX1709 evaluation kit (EV kit) is a step-up DC-DC switching regulator for 1- to 3-cell battery inputs as well as 2.5V or 3.3V regulated supply inputs. The EV kit accepts a positive input between 0.7V and VOUT and converts it to a higher, pin-selectable output voltage. Efficiency is up to 87% with output load currents to 4A. This EV kit operates at a fixed 600kHz PWM frequency, allowing the use of a small inductor. A movable jumper on the EV kit selects either a 3.3V or 5V output voltage. Additional pads on the board accommodate the resistors for output adjustment. This EV kit uses surface-mount components and is fully assembled and tested for quick evaluation.

Key Features		Applications/Uses
0.7V to VOUT Input Voltage Range Pin-Selectable 3.3V or 5V Output Voltage (5V as Shipped) Adjustable Output Voltage (2.5V to 5.5V, External Divider) Up to 4A Output Current 600kHz PWM Operation Internal 10A MOSFET Switch 4µA IC Shutdown Current Surface-Mount Components Fully Assembled and Tested		3.6V or 5V RF PAs in Communications Handsets Local 2.5V to 3.3V or 5V Conversion Local 3.3V to 5V Conversion Routers, Servers, Workstations, Card Racks

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