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The TPS794xx family of low-dropout (LDO) 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, MSOP-8 PowerPAD™ and SOT223-6 packages. Each device in the family is stable with a small 2.2-µF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (for example, 155 mV at 250 mA). Each device achieves fast start-up times (approximately 50 µs with a 0.001-µF bypass capacitor) while consuming low quiescent current (170 µA typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than µA. The TPS79428 exhibits approximately 32 µVRMS of output voltage noise at 2.8 V output 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 and low noise features as well as the fast response time.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | Ultralow-Noise, High-PSRR, Fast, RF, 250-mA Low-Dropout Linear Regulators datasheet (Rev. E) | 03 Jan 2006 | |
| Application note | LDO Noise Demystified (Rev. B) | PDF | HTML | 18 Aug 2020 | |
| Application note | PowerPAD™ Thermally Enhanced Package (Rev. H) | 06 Jul 2018 | ||
| Application note | LDO PSRR Measurement Simplified (Rev. A) | PDF | HTML | 09 Aug 2017 | |
| Test report | TI Power Reference Design for Xilinx® Artix®-7 (AC701) | 12 Mai 2014 | ||
| User guide | PMP7977 User's Guide | 11 Sep 2013 | ||
| Application note | Using 3.3-V Signals for Spartan-3 Configuration and JTAG Ports (Rev. A) | 13 Apr 2004 | ||
| User guide | DEM-SOT223LDO Demonstration Fixture | 15 Okt 2003 |
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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.
| Gehäuse | Pins | Herunterladen |
|---|---|---|
| HVSSOP (DGN) | 8 | Optionen anzeigen |
| SOT-223 (DCQ) | 6 | Optionen anzeigen |
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