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TPS7A4525

Texas Instruments
Part Number TPS7A4525
Manufacturer Texas Instruments
Description Low-Noise Fast-Transient-Response 1.5-A Low-Dropout Voltage Regulators
Published Sep 22, 2019
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design TPS7A4501, T...
Datasheet PDF File TPS7A4525 PDF File

TPS7A4525
TPS7A4525

Overview
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 •1 Optimized for Fast Transient Response • Output Current: 1.
5 A • High Output Voltage Accuracy: 1% at 25°C • Dropout Voltage: 300 mV • Low Noise: 35 μVRMS (10 Hz to 100 kHz) • High Ripple Rejection: 68 dB at 1 kHz • 1-mA Quiescent Current • No Protection Diodes Needed • Controlled Quiescent Current in Dropout • Fixed Output Voltages: 1.
5 V, 1.
8 V, 2.
5 V, 3.
3 V • Adjustable Output from 1.
21 V to 20 V (TPS7A4501 Only) • Less Than 1-μA Quiescent Current in Shutdown • Stable With 10-μF Ceramic Output Capacitor • Reverse-Battery Protection • Reverse Current Protection 2 Applications • Industrial • Wireless Infrastructure • Radio-Frequency Systems 3 Description The TPS7A45xx devices are low-dropout (LDO) regulators optimized for fast transient response.
The device can supply 1.
5 A of output current with a dropout voltage of 300 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 with many other regulators.
In addition to fast transient response, the TPS7A45xx regulators have very-low output noise, which makes them ideal for sensitive RF supply applications.
Output voltage range is from 1.
21 to 20 V.
The TPS7A45xx regulators are stable with output capacitance 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, 3.
3 V, and as an adjustable device with a 1.
21-V reference voltage.
Device Information(1) ...


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