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The TPS786 family of low-dropout (LDO) low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow noise, fast start-up, and excellent line and load transient responses in small outline, SOT223-6 and DDPAK-5 packages. Each device in the family is stable, with a small 1-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 390 mV at 1.5 A). Each device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming very low quiescent current (265 µA, typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 µA. The TPS78630 exhibits approximately 48 µVRMS of output voltage at 3-V output noise with a 0.1-µF bypass capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, benefit from the high PSRR, low noise features, and the fast response time.
| Type | Title | Date | ||
|---|---|---|---|---|
| * | Data sheet | TPS786 Ultralow-Noise, High-PSRR, Fast, RF, 1.5-A Low-Dropout Linear Regulators datasheet (Rev. M) | PDF | HTML | 30 Sep 2015 |
| White paper | Parallel LDO Architecture Design Using Ballast Resistors | PDF | HTML | 14 Dec 2022 | |
| White paper | Comprehensive Analysis and Universal Equations for Parallel LDO's Using Ballast | PDF | HTML | 13 Dec 2022 | |
| Application note | LDO Noise Demystified (Rev. B) | PDF | HTML | 18 Aug 2020 | |
| Application note | Using Thermal Calculation Tools for Analog Components (Rev. A) | 30 Aug 2019 | ||
| Application note | LDO PSRR Measurement Simplified (Rev. A) | PDF | HTML | 09 Aug 2017 | |
| EVM User's guide | TPS786/795/79601DRB EVM Users Guide (Rev. A) | 09 Sep 2016 | ||
| User guide | DEM-SOT223LDO Demonstration Fixture | 15 Oct 2003 | ||
| User guide | DEM-TO263LDO Demonstration Fixture | 15 Oct 2003 | ||
| EVM User's guide | 1.5 Amp, High PSRR, Low-Noise, Low Dropout Linear Regulator EVM | 26 Sep 2002 |
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The Texas Instruments DEM-SOT223LDO demonstration module (DEM) helps designers evaluate the operation and performance of Texas Instruments low-dropout regulators (LDOs). This module is compatible with most positive output LDOs offered in the SOT223 (DCQ) package.
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-223 (DCQ) | 6 | Ultra Librarian |
| TO-263 (KTT) | 5 | Ultra Librarian |
| VSON (DRB) | 8 | Ultra Librarian |
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