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FULL DATA SHEET (PDF, 152kB) Download   E-Mail The MAX710/MAX711 integrate a step-up DC-DC converter with a linear regulator to provide step-up/down voltage conversion. They are optimized for battery applications where the input varies above and below the regulated output voltage. They have an input range from +1.8V to +11V. Typical efficiency when boosting battery inputs is 85%. The MAX710/MAX711 can be configured for minimum noise or optimum efficiency. Shutdown control turns off the part completely, disconnecting the input from the output (ISHDN = 0.2µA). Standby control turns off only the step-up converter and leaves the low-power linear regulator active (IQ = 7µA). The MAX710 has a preset 3.3V or 5V output voltage. The MAX711 has an adjustable output that can be set from +2.7V to +5.5V with two resistors. Both devices come in 16-pin narrow SO packages.

Key Features		Applications/Uses
Step-Up/Down Voltage Conversion +1.8V to +11V Input Range Output: 5V/250mA at VIN = 1.8V 5V/500mA at VIN = 3.6V No External FETs Required Load Disconnected from Input in Shutdown Battery Drain: 200µA No-Load (VIN = 4V) 7µA in Standby 0.2µA when Off Low-Noise and High-Efficiency Modes		2- to 4-Cell AA Alkaline Handheld Equipment 2-, 3-, and 4-Cell Battery-Powered Equipment 3.3V and Other Low-Voltage Systems Battery-Powered Devices with AC Input Adapters Digital Still Cameras Single-Cell, Lithium-Powered Portable Devices

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Typical Operating Circuit

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