ADP1109A - Analog Devices

ADP1109A DC-to-DC Converter

The ADP1109A is a versatile step-up switching regulator. The device requires only minimal external components to operate as a complete switching regulator. The ADP1109A-5 can deliver 100 mA at 5 V from a 3 V input and the ADP1109A-12 can deliver 60 mA at 12 V from a 5 V input. The device also features a logic controlled shutdown capability that, when a logic.

Features

Operates at Supply Voltages 2 V to 9 V Fixed 3.3 V, 5 V, 12 V and Adjustable Output Minimum External Components Required Ground Current: 460 ␮A Oscillator Frequency: 120 kHz Logic Shutdown 8-Lead DIP and SO-8 Packages APPLICATIONS Cellular Telephones Single-Cell to 5 V Converters Laptop and Palmtop Computers Pagers Cameras Battery Backup Supplies Portable Instruments Laser Diode Drivers Hand-Held Inventory Computers GENERAL DESCRIPTION The ADP1109A is a versatile step-up switching regulator. The device requires only minimal external components to operate as a complete switching regulator. The .