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TPS7A15

Texas Instruments
Part Number TPS7A15
Manufacturer Texas Instruments
Description Ultra-Low Dropout Regulator
Published Aug 1, 2023
Detailed Description TPS7A15 SBVS436A – JUNE 2022 – REVISED JULY 2023 TPS7A15 400-mA, Low VIN, Low VOUT, Ultra-Low Dropout Regulator 1 Featu...
Datasheet PDF File TPS7A15 PDF File

TPS7A15
TPS7A15

Overview
TPS7A15 SBVS436A – JUNE 2022 – REVISED JULY 2023 TPS7A15 400-mA, Low VIN, Low VOUT, Ultra-Low Dropout Regulator 1 Features • Ultra-low input voltage range: 0.
7 V to 2.
2 V • High efficiency: – Dropout at 400 mA: 80 mV (max) – Specified for VIN = VOUT + 100 mV • Excellent load transient response: – 20 mV for ILOAD 1 mA to 250 mA in 10 μs • Accuracy (load, line, temperature): +1%, –1.
1% • High PSRR: 84 dB at 1 kHz • Available in fixed-output voltages: – 0.
5 V to 2.
0 V (in 25-mV steps) • VBIAS range: – 2.
2 V to 5.
5 V • Packages: – 6-pin, 1-mm × 0.
71-mm DSBGA – 6-pin, 2-mm × 2-mm WSON (preview) • Active output discharge 2 Applications • Camera modules • Wireless headphones and earbuds • Smart watches, fitness trackers • Smart phones and tablets • Portable medical devices • Solid state drives (SSDs) 3 Description The TPS7A15 is a small, low-dropout regulator (LDO) with excellent transient response.
This device can source 400 mA with outstanding ac performance (load and line transient responses).
The input voltage range is from 0.
7 V to 2.
2 V, and the output range is from 0.
5 V to 2.
0 V with a very high accuracy of 1% over load, line, and temperature.
The primary power path is through the IN pin and can be connected to a power supply as low as 50 mV above the output voltage.
All electrical characteristics (including excellent output voltage tolerance, transient response, and PSRR) are specified for input voltages 100 mV greater than the output voltage, thereby yielding high practical efficiency.
This regulator supports very low input voltages by using a higher, externally supplied VBIAS rail that powers the internal circuitry of the LDO.
For example, the supply voltage to the IN pin can be the output of a high-efficiency, DC/DC step-down regulator and the BIAS pin supply voltage can be a rechargeable battery.
The TPS7A15 is equipped with an active pulldown circuit to quickly discharge the output when disabled, and provides a known start-up state.
The TPS7A15 is avail...


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