The TL1963A-xx regulators are low-dropout (LDO) regulators provides a robust, easy-to-use power management design for wide variety of applications. The device can supply 1.5A of output current with a dropout voltage of 340mV (typical) and supports wide output range (from 1.21V to 20V) in adjustable configuration. In addition, TL1963A-xx also supports tighter output accuracy ±1.5% across line, load and temperature (for DCQ, KTT package of new chip), fast transient response, and low output noise (23µVRMS in unity-gain adjustable configuration), making it an excellent choice for sensitive RF supply applications.
The TL1963A-xx regulators are stable with output capacitor as low as 10µF and supports ESR range up-to 3Ω. The TL1963A-xx (both legacy chip and new chip) has built-in protection mechanism for over-current, over-temperature (thermal shutdown) and reverse-current protection for reliable operation of the LDO and the legacy chip of TL1963A-xx also includes reverse-battery protection.
The TL1963A-xx is available in a 6.50mm × 7.0mm, 4-pin SOT-223 (DCY) [only fixed], 6.50mm × 7.06mm, 6-pin SOT-223 (DCQ) and 10.16mm × 15.24mm, 5-pin DDPAK/TO-263 (KTT) package for fixed and adjustable outputs.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | TL1963A 1.5A Low-Noise Fast-Transient-Response Low-Dropout Regulator datasheet (Rev. H) | PDF | HTML | 24 Jun 2026 |
| Application note | An empirical analysis of the impact of board layout on LDO thermal performance (Rev. A) | PDF | HTML | 23 Sep 2025 | |
| Application note | Voltage Fed Full Bridge DC-DC & DC-AC Converter High-Freq Inverter Using C2000 (Rev. D) | 07 Apr 2021 | ||
| Application note | LDO Noise Demystified (Rev. B) | PDF | HTML | 18 Aug 2020 | |
| Application note | A Topical Index of TI LDO Application Notes (Rev. F) | 27 Jun 2019 | ||
| E-book | LDO Basics (Rev. A) | 08 Apr 2019 | ||
| Application note | LDO PSRR Measurement Simplified (Rev. A) | PDF | HTML | 09 Aug 2017 | |
| Technical article | LDO basics: dropout | PDF | HTML | 16 Mar 2017 | |
| Test report | TI Power Reference Design for Xilinx® Kintex®-7 (KC705) (Rev. A) | 16 Dec 2014 | ||
| Test report | TI Power Reference Design for Xilinx® Artix®-7 (AC701) | 12 May 2014 | ||
| User guide | PMP7977 User's Guide | 11 Sep 2013 |
For additional terms or required resources, click any title below to view the detail page where available.
The DDC2256AEVM evaluation module (EVM) is an evaluation kit for the DDC2256A, a 256-channel, current input, 24-bit analog-to-digital (A/D) converter. The EVM kit, comprised of a DUT board and a capture board, contains two DDC2256A (...)
The TL1963A-18EVM facilitates evaluation of the TL1963A-18 1.5A Low-Noise Fast-Transient-Response Low-Dropout Regulator. The EVM allows the user to apply different input voltage levels (2.5V to 20V) and different loads (0 to 1.5A) and check the regulated output voltage for stability.
The TL1963A-33EVM facilitates evaluation of the TL1963A-33 1.5A Low-Noise Fast-Transient-Response Low-Dropout Regulator. The EVM allows the user to apply different input voltage levels (2.5V to 20V) and different loads (0 to 1.5A) and check the regulated output voltage for stability.
The TL1963AEVM facilitates evaluation of the TL1963A 1.5A Low-Noise Fast-Transient-Response Low-Dropout Regulator. The EVM allows the user to apply different input voltage levels (2.5V to 20V) and different loads (0 to 1.5A) and check the regulated output voltage for stability.
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| SOT-223 (DCQ) | 6 | Ultra Librarian |
| SOT-223 (DCY) | 4 | Ultra Librarian |
| TO-263 (KTT) | 5 | Ultra Librarian |
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