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TPS9104 - CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY/AUDIO SYSTEM

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Part number TPS9104
Manufacturer Texas Instruments
File Size 558.00 KB
Description CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY/AUDIO SYSTEM
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NC No internal connection The TPS9104 incorporates a complete power supply and audio power system for a cellular subscriber terminal that uses battery packs with three or four NiMH/NiCd cells or a single lithium-ion cell.The device includes three low-dropout linear regulators rated for 3.3 V or 3 V at 100 mA each, a charge-pump driver, two power amplifiers for a speaker and a ringer, a low-noise microphone amplifier, and logic that includes a 250-ms reset, on/off control, and processo

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