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DESCRIPTION

The STLC3055 is a SLIC device specifically designed for WLL (Wireless Local Loop) and ISDNTerminal Adaptors. One of the distinctive characteristic of this device is the ability to operate with a single supply voltage (from +5.5V to +15.8V) and self generate the negative battery by means of an on chip DC/DC converter controller that drives an external MOS switch

■ MONOCHIP SLIC OPTIMISED FOR WLL &

ISDN-TA APPLICATIONS

■ IMPLEMENT ALL KEY FEATURES OF THE

BORSHT FUNCTION

■ SINGLE SUPPLY (5.5 TO 15.8V)

■ BUILT IN DC/DC CONVERTER CONTROLLER.

■ SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME.

■ ON-HOOK TRANSMISSION.

■ PROGRAMMABLE OFF-HOOK DETECTOR

THRESHOLD

■ METERING PULSE GENERATION AND FILTER

■ INTEGRATED RINGING

■ INTEGRATED RING TRIP

■ PARALLEL CONTROL INTERFACE (3.3V

LOGIC LEVEL)

■ PROGRAMMABLE CONSTANT CURRENT

FEED

■ SURFACE MOUNT PACKAGE

■ INTEGRATED THERMAL PROTECTION

■ -40 TO +85°C OPERATING RANGE