MAX1856 - Maxim

MAX1856 Wide Input Range / Synchronizable / PWM SLIC Power Supply

The MAX1856 offers a low-cost solution for generating a SLIC (ringer and off-hook) power supply. Using standard off-the-shelf transformers from multiple vendors, the MAX1856 generates various output voltages: -24V and -72V (dual output) for both ringer and off-hook supplies for voice-enabled broadband consumer premises equipment (CPE), -48V for IP phones and.

Features

Ordering Information PART MAX1856EUB TEMP. RANGE -40°C to +85°C PIN-PACKAGE 10 µMAX Typical Operating Circuit INPUT 3V TO 28V OUT2 -72V Applications VoIP Ringer and Off-Hook Voltage Generators Cable and DSL Modems Set-Top Boxes Wireless Local Loop FTTH LMDS/MMDS Routers Industrial Power Supplies CO DSL Line Driver Supplies MEMS Bias Supplies VCC SYNC/SHDN LDO EXT FREQ CS 1 2 2 OUT1 -24V MAX1856 GND FB PGND REF 2 Idle Mode is a trademark of Maxim Integrated Products. ________________________________________________________________ Maxim Integrated Products 1 For price, delivery, and .