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TL1963A-XX Fiches technique(PDF) 1 Page - Texas Instruments |
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TL1963A-XX Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 26 page 1 FEATURES APPLICATIONS 1 3 2 GND IN SHDN SENSE/ADJ OUT 5 4 KTT PACKAGE (TOP VIEW) DESCRIPTION/ORDERING INFORMATION TL1963A-xx www.ti.com ........................................................................................................................................................ SLVS719A – JUNE 2008 – REVISED AUGUST 2008 1.5-A LOW-NOISE FAST-TRANSIENT-RESPONSE LOW-DROPOUT REGULATOR 2 • Optimized for Fast Transient Response • Reverse-Battery Protection • Output Current: 1.5 A • No Reverse Current • Dropout Voltage: 340 mV • Thermal Limiting • Low Noise: 40 µV RMS (10 Hz to 100 kHz) • 1-mA Quiescent Current • 3.3-V to 2.5-V Logic Power Supplies • No Protection Diodes Needed • Post Regulator for Switching Supplies • Controlled Quiescent Current in Dropout • Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V, and 3.3 V • Adjustable Output Voltage: 1.21 V to 20 V • Less Than 1-µA Quiescent Current in Shutdown • Stable with 10-µF Output Capacitor • Stable with Ceramic Capacitors The TL1963A-xx is a low-dropout (LDO) regulator optimized for fast transient response. The device can supply 1.5 A of output current with a dropout voltage of 340 mV. Operating quiescent current is 1 mA, dropping to less than 1 µA in shutdown. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators. In addition to fast transient response, the TL1963A-xx regulators have very low output noise, which makes them ideal for sensitive RF supply applications. Output voltage range is from 1.21 V to 20 V. The TL1963A-xx regulators are stable with output capacitors as low as 10 µF. Small ceramic capacitors can be used without the necessary addition of ESR, as is common with other regulators. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting, and reverse-current protection. The devices are available in fixed output voltages of 1.5 V, 1.8 V, 2.5 V, and 3.3 V, and as an adjustable device with a 1.21-V reference voltage. The TL1963A-xx regulators are available in the 5-pin TO-263 (KTT) package. ORDERING INFORMATION(1) VOUT TA PACKAGE(2) ORDERABLE PART NUMBER TOP-SIDE MARKING (TYP) 1.5 V TL1963A-15KTTR TL1963A-15 1.8 V TL1963A-18KTTR TL1963A-18 –40°C to 125°C 2.5 V TO-263 (KTT) Reel of 500 TL1963A-25KTTR TL1963A-25 3.3 V TL1963A-33KTTR TL1963A-33 ADJ TL1963AKTTR TL1963A (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site at www.ti.com. (2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging. 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 PowerPAD, PowerFLEX are trademarks of Texas Instruments. UNLESS OTHERWISE NOTED this document contains Copyright © 2008, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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Description similaire - TL1963A-XX |
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