Low Cost 24V SLIC For PABX / Key Systems

The Intersil HC5503 low cost SLIC is optimized for use in small Analog or mixed Analog and Digital Key Telephone Systems (KTS) or PBX products. The low component count solution and surface mount package options, enable a small desktop Key System/PBX product to be achieved. The internal power dissi

Low Cost 24V SLIC For PABX/Key Systems

Features • Wide Operating Battery Range (-21V to -44V) • Single Additional +5V Supply • 25mA Short Loop Current Limit • Ring Relay Driver • Switch Hook and Ring Trip Detect • Low On-Hook Power Consumption • On-Hook Transmission • ITU-T Longitudinal Balance Performance • Loop Power Denial