19-1833; Rev 0; 10/00
KIT ATION EVALU E L B AVAILA
Digital Camera Step-Up Power Supply
Features
o +0.
7V to +5.
5V Input Voltage Range o Main DC-DC Converter 95% Efficiency +2.
7V to +5.
5V Adjustable Output Voltage 1.
5A Load Current o Uncommitted Gain Block for Linear
Regulator o Three Independent Auxiliary Step-Up Controllers Adjustable Maximum Duty Cycle o Oscillator and Reference Outputs to Drive External Slave Controllers (MAX1801) o Power-Ready Output o Up to 1MHz Switching Frequency o 1µA Supply Current in Shutdown Mode o Internal Soft-Start Control o Overload Protection for all DC-DC Converters o Compact 32-Pin TQFP Package (5mm x 5mm body)
General Description
The MAX1800 provides a c...