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HC5549 Datasheet

Low Power Slic With Battery Switch

Manufacturer: Intersil (now Renesas)

HC5549 Overview

MTU pliant standby mode with active loop detector. Forward battery loop feed. Reserved internal test mode.

HC5549 Key Features

  • Dual Battery Operation
  • Single Additional +5V Supply
  • Low Standby Power Consumption (48V, 35mW)
  • On Hook Transmission
  • Tip and Ring Disconnect
  • Soft or Hard Polarity Reversal
  • Supports 12 kHz or 16 kHz Pulse Metering
  • Ring Relay Driver
  • On Chip 2-wire AC/DC Loopback
  • No Latch-Up or Power Supply Sequencing

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