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TPS7A4533KTTR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS7A4533KTTR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 36 page 0 50 100 150 200 250 300 350 400 450 500 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Output Current – A TA = 25°C TA = 125°C Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS7A4501, TPS7A4515, TPS7A4518, TPS7A4525, TPS7A4533 SLVS720F – JUNE 2008 – REVISED NOVEMBER 2015 TPS7A45xx Low-Noise Fast-Transient-Response 1.5-A Low-Dropout Voltage Regulators 1 Features 3 Description The TPS7A45xx devices are low-dropout (LDO) 1 • Optimized for Fast Transient Response regulators optimized for fast transient response. The • Output Current: 1.5 A device can supply 1.5 A of output current with a • High Output Voltage Accuracy: 1% at 25°C dropout voltage of 300 mV. Operating quiescent current is 1 mA, dropping to less than 1 μA in • Dropout Voltage: 300 mV shutdown. Quiescent current is well controlled; it does • Low Noise: 35 μVRMS (10 Hz to 100 kHz) not rise in dropout as with many other regulators. In • High Ripple Rejection: 68 dB at 1 kHz addition to fast transient response, the TPS7A45xx regulators have very-low output noise, which makes • 1-mA Quiescent Current them ideal for sensitive RF supply applications. • No Protection Diodes Needed Output voltage range is from 1.21 to 20 V. The • Controlled Quiescent Current in Dropout TPS7A45xx regulators are stable with output • Fixed Output Voltages: 1.5 V, 1.8 V, 2.5 V, 3.3 V capacitance as low as 10 μF. Small ceramic • Adjustable Output from 1.21 V to 20 V capacitors can be used without the necessary (TPS7A4501 Only) addition of ESR as is common with other regulators. Internal protection circuitry includes reverse-battery • Less Than 1- μA Quiescent Current in Shutdown protection, current limiting, thermal limiting, and • Stable With 10- μF Ceramic Output Capacitor reverse-current protection. The devices are available • Reverse-Battery Protection in fixed output voltages of 1.5 V, 1.8 V, 2.5 V, 3.3 V, • Reverse Current Protection and as an adjustable device with a 1.21-V reference voltage. 2 Applications Device Information(1) • Industrial PART NUMBER PACKAGE BODY SIZE (NOM) • Wireless Infrastructure SOT-223 (6) 6.50 mm × 7.06 mm TPS7A45xx • Radio-Frequency Systems TO-263 (5) 10.16 mm × 15.24 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Schematic Dropout Voltage vs Output Current 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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