Datasheet Details
| Part number | TPS9110 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 369.71 KB |
| Description | CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY |
| Datasheet | TPS9110-etcTI.pdf |
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Overview: D plete Power Supply for Cellular Handsets D Three Low-Dropout Regulators (LDOs) with 100-mV Dropout D Less Than 1 µA Supply Current in Shutdown Typ D 250-ms Microprocessor Reset Output D 10-mA Charge-Pump Driver Configurable For Inverted or Doubled Output D Separate Enables for LDOs and Charge Pump D 1.
| Part number | TPS9110 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 369.71 KB |
| Description | CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY |
| Datasheet | TPS9110-etcTI.pdf |
|
|
|
TPS9110 CELLULAR SUBSCRIBER TERMINAL POWER SUPPLY SLVS164 – AUGUST 1997 PW PACKAGE (TOP VIEW) RESET VCP GND_CP CP EN_CP GND EN ON VA CA PA GND EN_A VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 VCC 27 PL 26 GND 25 ON 24 CL 23 VL 22 REF 21 OFF 20 VB 19 CB 18 ON_REM 17 GND 16 EN_B 15 PB The TPS9110 incorporates a plete power supply 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, and logic that includes a 250-ms reset, on/off control, and processor interface.
Regulators A and B and the charge-pump driver have separate enables allowing circuitry to be powered up or down as necessary to conserve battery power.
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