TL1963A

現行

具反向電流和反向電壓保護的 1.5-A、20-V 可調式低壓差穩壓器

產品詳細資料

Rating Catalog Vin (max) (V) 20 Vin (min) (V) 2.1 Iout (max) (A) 1.5 Output options Adjustable Output, Fixed Output Vout (max) (V) 20 Vout (min) (V) 1.2 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 20 Noise (µVrms) 40 PSRR at 100 KHz (dB) 45 Iq (typ) (mA) 1 Features Enable, Reverse Current Protection, Reverse voltage protection Thermal resistance θJA (°C/W) 33, 50.5, 57.9 Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 340 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 20 Vin (min) (V) 2.1 Iout (max) (A) 1.5 Output options Adjustable Output, Fixed Output Vout (max) (V) 20 Vout (min) (V) 1.2 Fixed output options (V) 1.5, 1.8, 2.5, 3.3, 20 Noise (µVrms) 40 PSRR at 100 KHz (dB) 45 Iq (typ) (mA) 1 Features Enable, Reverse Current Protection, Reverse voltage protection Thermal resistance θJA (°C/W) 33, 50.5, 57.9 Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 340 Operating temperature range (°C) -40 to 125
SOT-223 (DCQ) 6 45.89 mm² 6.5 x 7.06 SOT-223 (DCY) 4 45.5 mm² 6.5 x 7 TO-263 (KTT) 5 154.8384 mm² 10.16 x 15.24
  • Input voltage range: 2.4V to 20V
  • Output voltage range (adjustable): 1.21V to 20V
  • Output voltage range (fixed):
    • Legacy chip: 1.5V, 1.8V, 2.5V and 3.3V
    • New chip: 1.8V, 3.3V
  • Output accuracy (over line, load and temperature):
    • Legacy chip: ±3% (all packages)
    • New chip:
      • +3%/-2% (DCY only)
      • ±1.5% (DCQ and KTT only)
  • Maximum output current (IOUT): Up to 1.5A
  • Dropout voltage: 340mV (typical) for IOUT = 1.5A
  • Output capacitor for stable operation: ≥ 10µF with ESR ≤ 3Ω
  • Low noise: 23µVRMS (10Hz to 100kHz) for VOUT = 1.21V
  • Integrated fault protection:
    • Reverse-current, thermal shutdown and overcurrent protection (both legacy and new chip)
    • Reverse-battery protection (legacy chip only)
  • Package:
    • 4-pin SOT-223 (DCY)
    • 6-pin SOT-223 (DCQ)
    • 5-pin DDPAK/TO-263 (KTT)
  • Input voltage range: 2.4V to 20V
  • Output voltage range (adjustable): 1.21V to 20V
  • Output voltage range (fixed):
    • Legacy chip: 1.5V, 1.8V, 2.5V and 3.3V
    • New chip: 1.8V, 3.3V
  • Output accuracy (over line, load and temperature):
    • Legacy chip: ±3% (all packages)
    • New chip:
      • +3%/-2% (DCY only)
      • ±1.5% (DCQ and KTT only)
  • Maximum output current (IOUT): Up to 1.5A
  • Dropout voltage: 340mV (typical) for IOUT = 1.5A
  • Output capacitor for stable operation: ≥ 10µF with ESR ≤ 3Ω
  • Low noise: 23µVRMS (10Hz to 100kHz) for VOUT = 1.21V
  • Integrated fault protection:
    • Reverse-current, thermal shutdown and overcurrent protection (both legacy and new chip)
    • Reverse-battery protection (legacy chip only)
  • Package:
    • 4-pin SOT-223 (DCY)
    • 6-pin SOT-223 (DCQ)
    • 5-pin DDPAK/TO-263 (KTT)

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.

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.

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技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet TL1963A 1.5A Low-Noise Fast-Transient-Response Low-Dropout Regulator datasheet (Rev. H) PDF | HTML 2026年 6月 24日
Application note An empirical analysis of the impact of board layout on LDO thermal performance (Rev. A) PDF | HTML 2025年 9月 23日
Application note Voltage Fed Full Bridge DC-DC & DC-AC Converter High-Freq Inverter Using C2000 (Rev. D) 2021年 4月 7日
Application note LDO Noise Demystified (Rev. B) PDF | HTML 2020年 8月 18日
Application note A Topical Index of TI LDO Application Notes (Rev. F) 2019年 6月 27日
E-book LDO Basics (Rev. A) 2019年 4月 8日
Application note LDO PSRR Measurement Simplified (Rev. A) PDF | HTML 2017年 8月 9日
Technical article LDO basics: dropout PDF | HTML 2017年 3月 16日
Test report TI Power Reference Design for Xilinx® Kintex®-7 (KC705) (Rev. A) 2014年 12月 16日
Test report TI Power Reference Design for Xilinx® Artix®-7 (AC701) 2014年 5月 12日
User guide PMP7977 User's Guide 2013年 9月 11日

設計與開發

如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DDC2256AEVM — DDC2256A 256 通道電流輸入類比轉數位轉換器評估模組

DDC2256AEVM 評估模組 (EVM) 是 DDC2256A (256 通道、電流輸入、24 位元類比轉數位 (A/D) 轉換器) 的評估套件。EVM 套件由 DUT 電路板和擷取板組成,包含兩個 DDC2256A 裝置、一個用於裝置通訊/配置的 FPGA、用於臨時資料儲存的 36MB 記憶體,以及一個用於連接 PC 的 USB 介面。EVM 包含所有必要的控制訊號及板載功率產生,因而大幅降低對外部設備的需求。最後,評估系統還為 Microsoft® Windows® 提供了易於使用的軟體。

開發板

TL1963A-18EVM — TL1963A-18EVM 評估模組

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.

使用指南: PDF
TI.com 無法提供
開發板

TL1963A-33EVM — TL1963A-33EVM 評估模組

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.

使用指南: PDF
TI.com 無法提供
開發板

TL1963AEVM — TL1963AEVM 評估模組

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.

使用指南: PDF
TI.com 無法提供
模擬型號

TL1963A PSpice Transient Model

SLVMB45.ZIP (64 KB) - PSpice Model
模擬型號

TL1963A Unencrypted PSpice Transient Model

SLVMB46.ZIP (1 KB) - PSpice Model
PCB 佈局

PMP7977 PCB

TIDU151.PDF (6781 KB)
參考設計

TIDA-00306 — 適用於電網應用的銅纜轉光纖 100BASE-FX 或 1000BASE-X 媒體轉換器參考設計

此參考設計詳細說明了使用 DP83849 評估電路板執行 10/100BASE-TX 轉 10/100BASE-FX 媒體轉換器的方式,此方式可讓銅質的舊型設備輕鬆連接光纖網路。銅質乙太網路 (10/100BASE-TX) 已廣泛用於電網區域網路,但通訊距離有限。光纖網路已建立完善,並持續降低成本。對公用事業而言,使用光纖網路管理廣域設備是可行、經濟的做法,從而提供更快的速度、更長的涵蓋範圍和更可靠的通訊。
Design guide: PDF
電路圖: PDF
參考設計

TIDM-THREEPHASE-BLDC-LC — 三相 BLDC 和 PMSM 中電壓馬達控制解決方案

使用無感測器磁場導向控制 (FOC) 轉動和控制三相無刷 DC (BLDC) 及無刷 AC (BLAC) 馬達(或永磁同步馬達 (PMSM))。此設計針對 sub-50V、7A 馬達提供高效能、具電源效率且符合成本效益控制,最適合如醫療幫浦、閘門、升降器、小型幫浦、機器人和自動化領域的應用。此設計也支援有感測器和無感測器梯形整流馬達控制技術。
使用指南: PDF
電路圖: PDF
參考設計

TIDM-THREEPHASE-BLDC-LC-INST — 採用 InstaSPIN 軟體的三相無刷/PMSM 低電流馬達控制解決方案

此參考設計展示了適用於自旋中電壓三相無刷 DC (BLDC) 和無刷 AC (BLAC) 馬達的馬達控制解決方案(通常稱為「永磁同步馬達」(PMSM));該馬達具有 C2000™ InstaSPIN™ TMS320F28069M 微控制器以及 DRV8312 3 相馬達驅動器。此參考設計採用 InstaSPIN-FOC 磁場導向控制技術以及 InstaSPIN-MOTION 速度和位置控制技術。利用德州儀器的 InstaSPIN 技術,各種技能水平的設計師都可以實作具有強大移動功能的高性能、符合電源效率、具成本效益、無感測器的磁場導向控制平台。應用範圍包括用來驅動幫浦、閘門、升降器、風扇的 (...)
電路圖: PDF
參考設計

PMP7977 — 具有 PMBus 電源管理的 Xilinx Artix 7 FPGA 參考設計

The Artix 7 power management reference design board uses power modules, linear regulators, and a PMBus compliant system controller to supply all required core and auxiliary voltages needed by the FPGA, including DDR memory termination. A Digital Power graphical user interface is used to monitor the (...)
Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-223 (DCQ) 6 Ultra Librarian
SOT-223 (DCY) 4 Ultra Librarian
TO-263 (KTT) 5 Ultra Librarian

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  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中的可靠性監測
內含資訊:
  • 晶圓廠位置
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