The TPS715 low-dropout (LDO) voltage regulators offer the benefits of high input voltage, low-dropout voltage, low-power operation, and miniaturized packaging. The devices, which operate over an input range of 2.5 V to 24 V, are stable with any capacitor greater than or equal to 0.47 µF. The low dropout voltage and low quiescent current allow operation at extremely low power levels. Therefore, the devices are ideal for powering battery management ICs. Specifically, because the devices are enabled as soon as the applied voltage reaches the minimum input voltage, the output is quickly available to power continuously operating battery charging ICs.
The usual PNP pass transistor has been replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the low dropout voltage, typically 415 mV at 50 mA of load current, is directly proportional to the load current. The low quiescent current (3.2 µA typically) is stable over the entire range of output load current (0 mA to 50 mA).
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | TPS715 50-mA, 24-V, 3.2-μA Supply Current Low-Dropout Linear Regulator in SC70 Package datasheet (Rev. R) | 01 Aug 2014 |
| White paper | Understanding the Foundations of Quiescent Current in Linear Power Systems | 18 Feb 2021 | |
| Application note | LDO Noise Demystified (Rev. B) | 18 Aug 2020 | |
| Selection guide | Low Dropout Regulators Quick Reference Guide (Rev. P) | 21 Mar 2018 | |
| Application note | LDO PSRR Measurement Simplified (Rev. A) | 09 Aug 2017 | |
| EVM User's guide | bq2750xEVM System Side Single-Cell Impedance Track™ (Rev. A) | 04 Oct 2013 | |
| Analog Design Journal | Host-Side Gas-Gauge-System Design Considerations for Single-Cell Handheld Apps | 12 Oct 2007 | |
| Analog Design Journal | Complete battery-pack design for one- or two-cell portable applications | 17 Jul 2006 | |
| EVM User's guide | TPS71533EVM LDO Regulator Evaluation Module (Rev. A) | 02 Jun 2003 | |
| Application note | The TPS71501 External PNP Transistor Boosts LDO Output Current | 01 Apr 2003 |
For additional terms or required resources, click any title below to view the detail page where available.
The purpose of this EVM is to facilitate evaluation of the TPS715xx family of LDO regulators. Each EVM PCB contains a TPS71533 low dropout linear regulator as well as supporting passive components. Also, the board's small size and side clips facilitate attaching it to other PCBs as a power module.
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| Package | Pins | Download |
|---|---|---|
| SC70 (DCK) | 5 | View options |
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