MAX1700 Step-Up DC-DC Converters

Maxim

Description

19-4759; Rev 1; 1/99 L MANUA ION KIT HEET T A U L EVA TA S WS DA FOLLO 1-Cell to 3-Cell, High-Power (1A), Low-Noise, Step-Up DC-DC Converters Genera.
Features o Up to 96% Efficiency o 1.

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Datasheet Specifications

Part number: MAX1700
Manufacturer: Maxim
File Size: 249.00 KB
Datasheet: MAX1700_MaximIntegratedProducts.pdf
Description: Step-Up DC-DC Converters

Features

* o Up to 96% Efficiency o 1.1 VIN Guaranteed Start-Up o 0.7V to 5.5V Input Range o Up to 800mA Output o Step-Up Output (adjustable from 2.5V to 5.5V) o PWM/PFM Synchronous-Rectified Topology o External Clock or Internal 300kHz Oscillator o 3µA Logic-Controlled Shutdown o Power-Good Output (MAX1701) o

Applications

* They use a synchronous-rectified pulse-width-modulation (PWM) boost topology to generate 2.5V to 5.5V outputs from battery inputs such as one to three NiCd/NiMH cells or one LiIon cell. Both devices have an internal 1A, 130mΩ Nchannel MOSFET switch and a 250m Ω P-channel synchronous rectifier. With

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MAX1700 Step-Up DC-DC Converters Maxim

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