HC5503 - Low Cost 24V SLIC
* 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 Longitudi
HC5503 March 1999 File Number 4344.3 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 dissipation of the end product is minimized by the low power consumption and minimal power supply voltage requirements of the HC55
