Description
19-0211; Rev 4; 5/96 NUAL KIT MA ATION SHEET A EVALU T A D WS FOLLO 3.3V/5V or Adjustable-Output, Step-Up DC-DC Converters _________________________.
The MAX856.
MAX859 are high-efficiency, CMOS, stepup, DC-DC switching regulators for small, low input volt age or battery-powered systems.
Features
* o o o o o o o o o o 0.8V to 6.0V Input Supply Voltage 0.8V Typ Start-Up Supply Voltage 85% Efficiency at 100mA 25µA Quiescent Current 1µA Shutdown Mode 125mA and 500mA Switch-Current Limits Permit Use of Low-Cost Inductors Up to 500kHz Switching Frequency ±1.5% Reference Tolerance Over Temperature L
Applications
* 3.3V to 5V Step-Up Conversion Palmtop Computers Portable Data-Collection Equipment Personal Data Communicators/Computers Medical Instrumentation 2-Cell & 3-Cell Battery-Operated Equipment Glucose Meters
__________Typical Operating Circuit
INPUT 0.8V TO VOUT
Ordering Information continued at end of