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線性與低壓差 (LDO) 穩壓器

TPS7A20

現行

具備高 PSRR 的 300mA 超低雜訊、低 IQ 低壓差 (LDO) 線性穩壓器

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產品規格表

TPS7A20

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Vin (max) (V) 6 Vin (min) (V) 1.6 Iout (max) (A) 0.3 Output options Fixed Output Vout (max) (V) 0.8, 0.9, 1.05, 1.1, 1.15, 1.2, 1.3, 1.5, 1.6, 1.8, 1.825, 1.85, 2, 2.2, 2.25, 2.5, 2.7, 2.8, 2.85, 2.9, 3, 3.1, 3.2, 3.3, 3.6, 4, 4.2, 4.5, 5, 5.5 Vout (min) (V) 0.8 Fixed output options (V) 0.8, 0.9, 1.05, 1.1, 1.15, 1.2, 1.25, 1.3, 1.5, 1.6, 1.8, 1.825, 1.85, 2, 2.2, 2.25, 2.275, 2.4, 2.5, 2.7, 2.8, 2.85, 2.9, 3, 3.1, 3.2, 3.3, 3.6, 4, 4.2, 4.5, 5, 5.5 Noise (µVrms) 7 PSRR at 100 KHz (dB) 60 Iq (typ) (mA) 0.0065 Features Enable, Output discharge Thermal resistance θJA (°C/W) 166.1, 179.1, 187.1, 199.6, 201.4 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 1.5 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 6 Vin (min) (V) 1.6 Iout (max) (A) 0.3 Output options Fixed Output Vout (max) (V) 0.8, 0.9, 1.05, 1.1, 1.15, 1.2, 1.3, 1.5, 1.6, 1.8, 1.825, 1.85, 2, 2.2, 2.25, 2.5, 2.7, 2.8, 2.85, 2.9, 3, 3.1, 3.2, 3.3, 3.6, 4, 4.2, 4.5, 5, 5.5 Vout (min) (V) 0.8 Fixed output options (V) 0.8, 0.9, 1.05, 1.1, 1.15, 1.2, 1.25, 1.3, 1.5, 1.6, 1.8, 1.825, 1.85, 2, 2.2, 2.25, 2.275, 2.4, 2.5, 2.7, 2.8, 2.85, 2.9, 3, 3.1, 3.2, 3.3, 3.6, 4, 4.2, 4.5, 5, 5.5 Noise (µVrms) 7 PSRR at 100 KHz (dB) 60 Iq (typ) (mA) 0.0065 Features Enable, Output discharge Thermal resistance θJA (°C/W) 166.1, 179.1, 187.1, 199.6, 201.4 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 1.5 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 125
X2SON (DQN) 4 1 mm² (1 mm × 1 mm) DSBGA (YCK) 4 0.379456 mm² (0 mm × 0 mm) SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm) DSBGA (YCJ) 4 0.374544 mm² (0.612 mm × 0.612 mm)
  • Low output voltage noise: 7µVRMS
    • No noise-bypass capacitor required
  • High PSRR: 95dB at 1kHz
  • Very low IQ: 6.5µA
  • Input voltage range: 1.6V to 6.0V
  • Output voltage range: 0.8V to 5.5V
  • Output voltage tolerance: ±1.5% (max)
  • Very low dropout:
    • 140mV (max) at 300mA (VOUT = 3.3V)
    • 145mV (max) at 300mA (VOUT = 3.3V, DBV)
  • Low inrush current
  • Smart enable pulldown
  • Stable with 1µF minimum ceramic output capacitor
  • Packages:
    • 1mm × 1mm X2SON (DQN)
    • 0.616mm × 0.616mm DSBGA (YCK)
    • 0.612mm × 0.612mm DSBGA (YCJ)
    • 2.9mm × 2.8mm SOT23-5 (DBV)
  • Low output voltage noise: 7µVRMS
    • No noise-bypass capacitor required
  • High PSRR: 95dB at 1kHz
  • Very low IQ: 6.5µA
  • Input voltage range: 1.6V to 6.0V
  • Output voltage range: 0.8V to 5.5V
  • Output voltage tolerance: ±1.5% (max)
  • Very low dropout:
    • 140mV (max) at 300mA (VOUT = 3.3V)
    • 145mV (max) at 300mA (VOUT = 3.3V, DBV)
  • Low inrush current
  • Smart enable pulldown
  • Stable with 1µF minimum ceramic output capacitor
  • Packages:
    • 1mm × 1mm X2SON (DQN)
    • 0.616mm × 0.616mm DSBGA (YCK)
    • 0.612mm × 0.612mm DSBGA (YCJ)
    • 2.9mm × 2.8mm SOT23-5 (DBV)

The TPS7A20 is an ultra-small, low-dropout (LDO) linear regulator that can source 300mA of output current. The TPS7A20 is designed to provide low noise, high PSRR, and excellent load and line transient performance that can meet the requirements of RF and other sensitive analog circuits. Using innovative design techniques, the TPS7A20 offers an ultra-low noise performance without the addition of a noise bypass capacitor. The TPS7A20 also provides the advantage of low quiescent current, which can be ideal for battery-powered applications. With an input voltage range of 1.6V to 6.0V and an output range of 0.8V to 5.5V, the TPS7A20 can be used for a wide variety of applications. The device uses a precision reference circuit to provide a maximum accuracy of 1.5% over load, line, and temperature variations.

The TPS7A20 features an internal soft-start to lower the inrush current, thus minimizing the input voltage drop during start up. The device is stable with small ceramic capacitors, allowing for a small overall solution size.

The TPS7A20 has a smart enable input circuit with an internally controlled pulldown resistor that keeps the LDO disabled even when the EN pin is left floating and helps eliminate the external components used to pulldown the EN pin.

The TPS7A20 is an ultra-small, low-dropout (LDO) linear regulator that can source 300mA of output current. The TPS7A20 is designed to provide low noise, high PSRR, and excellent load and line transient performance that can meet the requirements of RF and other sensitive analog circuits. Using innovative design techniques, the TPS7A20 offers an ultra-low noise performance without the addition of a noise bypass capacitor. The TPS7A20 also provides the advantage of low quiescent current, which can be ideal for battery-powered applications. With an input voltage range of 1.6V to 6.0V and an output range of 0.8V to 5.5V, the TPS7A20 can be used for a wide variety of applications. The device uses a precision reference circuit to provide a maximum accuracy of 1.5% over load, line, and temperature variations.

The TPS7A20 features an internal soft-start to lower the inrush current, thus minimizing the input voltage drop during start up. The device is stable with small ceramic capacitors, allowing for a small overall solution size.

The TPS7A20 has a smart enable input circuit with an internally controlled pulldown resistor that keeps the LDO disabled even when the EN pin is left floating and helps eliminate the external components used to pulldown the EN pin.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 TPS7A20 300mA, Ultra-Low-Noise, Low-IQ , High PSRR LDO datasheet (Rev. H) PDF | HTML 2024/7/2
白皮書 Demystifying LDO Turn-On (Start-Up) Time (Rev. B) PDF | HTML 2026/3/10
白皮書 以低雜訊電源裝置簡化電源架構 (Rev. A) PDF | HTML Download English Version (Rev.A) PDF | HTML 2024/11/19
白皮書 Understanding the Foundations of Quiescent Current in Linear Power Systems 2021/2/18

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開發板

MULTIPKGLDOEVM-823 — 支援 DBV、DRB、DRV 和 DQN 封裝的通用 LDO 線性穩壓器評估模組

MULTIPKGLDOEVM-823 評估模組 (EVM) 可協助您評估多種常用線性穩壓器封裝的運作與性能，以了解是否可在電路應用中使用。此特定 EVM 配置具有 DRB、DRV、DQN 和 DBV 元件封裝，能讓您焊接並評估低壓差 (LDO) 穩壓器。

使用指南: PDF
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TIEVM-ARC-AFE — 太陽能應用中適用於 C2000™ MCU 架構機器學習電弧偵測的類比前端

TIEVM-ARC-AFE 是 TIDA-010955 參考設計的可訂購版本。此參考設計具備類比前端，可在以人工智慧 (AI) 為基礎的太陽能應用中進行 DC 電弧偵測。DC 電弧會對 DC 串列電流造成高頻雜訊。為了偵測電弧頻率，會擷取資料並將資料饋入嵌入式 AI 模型，而該模型會接受識別電弧的訓練。相較於傳統的電弧偵測方法，如此可實現更高的準確度，同時也能減少運算工作量。除了電弧偵測的訊號鏈外，此設計亦提供收集與標示電弧資料的功能，以用於進行嵌入式 AI 模型訓練。此硬體可搭配 TMDSCNCD28P55X (C2000™ F28P55x 裝置的 controlCARD) 運作，亦可搭配 (...)

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TPS65219EVM — 適用於 2.5-V 至 5.5-V 三降壓和四 LDO 電源管理 IC (PMIC) 的 TPS65219 評估模組

TPS65219EVM 是一個完全組裝的平台，可用於評估 TPS65219 電源管理 IC (PMIC) 的性能和功能。EVM 包括板載 USB 轉 I²C 轉接器、電源端子和所有 DC 穩壓器輸入和輸出的跨接器，以及通用量測的測試點。

使用指南: PDF | HTML
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模擬型號

TPS7A20 PSpice Transient Model

SBVM961.ZIP (19 KB) - PSpice 模型
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許多 TI 參考設計包含 TPS7A20

使用我們的參考設計選擇工具，以檢視並找出最適合您的應用和參數的設計。
封裝 針腳 CAD 符號、佔位空間與 3D 模型
X2SON (DQN) 4 Ultra Librarian
DSBGA (YCK) 4 Ultra Librarian
SOT-23 (DBV) 5 Ultra Librarian
DSBGA (YCJ) 4 Ultra Librarian
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