19-1400; Rev 0; 11/98
L MANUA ION KIT HEET T A U L EVA TA S WS DA FOLLO
Low-Noise, 5.
5V-Input, PWM Step-Down
Regulator
Features
o +2.
7V to +5.
5V Input Range o Adjustable Output from 1.
25V to VIN o 600mA Guaranteed Output Current o 95% Efficiency o No
Schottky Diode Required o 85µA Quiescent Current o 100% Duty Cycle in Dropout o 750kHz Fixed-Frequency PWM Operation o Synchronizable Switching Frequency o Accurate Reference: 1.
25V (±1.
2%) o Small 10-Pin µMAX Package
General Description
The MAX1692 is a low-noise, pulse-width-modulated (PWM), DC-DC step-down converter.
It powers logic and transmitters in small wireless systems such as cellular phones, communicating PDAs, and handy-terminals.
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