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TLV117112 Datasheet(PDF) 1 Page - Texas Instruments |
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TLV117112 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 15 page TLV1171xxDCY VOUT VIN 2 3 1 GND TLV1171 www.ti.com SBVS177 – APRIL 2012 1-A, Positive Fixed-Voltage, Low-Dropout Regulator 1 FEATURES DESCRIPTION The TLV1171 low-dropout (LDO) linear regulator is a 2 • Accuracy: 1.5% (typ) low input voltage version of the popular 1117 voltage • Low IQ: 100 μA (max) regulator. – 500x Lower Than Standard 1117 Devices The TLV1171 is an extremely low-power device that • VIN: 2.0 V to 5.5 V consumes 500x lower quiescent current than the – Absolute Maximum VIN: 6.0 V traditional 1117 voltage regulator, making the TLV1171 suitable for applications that mandate very • Stable with 0-mA Output Current low standby current. The TLV1171 LDO is also stable • Low Dropout: 455 mV at 1 A for VOUT = 3.3 V with 0 mA of load current; there is no minimum load • High PSRR: 65 dB at 1 kHz requirement, making the device an ideal choice for applications where the regulator is required to power • Minimum Ensured Current Limit: 1.1 A very small loads during standby in addition to large • Stable with Cost-Effective Ceramic Capacitors: currents on the order of 1 A during normal operation. – With 0- Ω ESR The TLV1171 offers excellent line and load transient performance, resulting in very small magnitude output • Temperature Range: –40°C to +125°C voltage undershoots and overshoots when the load • Thermal Shutdown and Overcurrent Protection current requirement changes from less than 1 mA to • Available Package: SOT223 more than 500 mA. – See the Package Option Addendum at the A precision band gap and error amplifier provides end of this document for a complete list of 1.5% accuracy. A very high power-supply rejection available voltage options. ratio enables the device to be used for post- regulation after a switching regulator. Other valuable APPLICATIONS features include low output noise and low-dropout voltage. • Set Top Boxes The device is internally compensated to be stable • TVs and Monitors with 0- Ω equivalent series resistance (ESR) • PC Peripherals, Notebooks, and Motherboards capacitors. These key advantages enable the use of • Modems and Other Communication Products cost-effective, small-size ceramic capacitors. Cost- effective capacitors that have higher bias voltages • Switching Power-Supply Post-Regulation and temperature derating can also be used if desired. The TLV1171 is available in a SOT223 package. For alternate pin outs of the device, refer to the TLV1117LV. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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