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線性與低壓差 (LDO) 穩壓器

TPS784

現行

具高準確度和啟用功能的 300-mA、低 IQ、高 PSRR、低壓降 (LDO) 電壓穩壓器

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TPS784

現行
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產品詳細資料

Output options Adjustable Output Iout (max) (A) 0.3 Vin (max) (V) 6 Vin (min) (V) 1.65 Vout (max) (V) 5.5 Vout (min) (V) 1.2 Rating Catalog Noise (µVrms) 30 PSRR at 100 KHz (dB) 49 Iq (typ) (mA) 0.025 Thermal resistance θJA (°C/W) 186.1 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable Accuracy (%) 0.75 Dropout voltage (Vdo) (typ) (mV) 115 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.3 Vin (max) (V) 6 Vin (min) (V) 1.65 Vout (max) (V) 5.5 Vout (min) (V) 1.2 Rating Catalog Noise (µVrms) 30 PSRR at 100 KHz (dB) 49 Iq (typ) (mA) 0.025 Thermal resistance θJA (°C/W) 186.1 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable Accuracy (%) 0.75 Dropout voltage (Vdo) (typ) (mV) 115 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Output accuracy:
    • ±0.5% (typ), ±0.75%, –40°C to +85°C
  • Device junction temperature: –40°C to +150°C, TJ
  • Input voltage range: 1.65 V to 6.0 V
  • Adjustable output voltage range: 1.2 V to 5.5 V
  • Low IQ: 25 µA (typ)
  • Ultra-low dropout:
    • 115 mV (max) at 300 mA (3.3 VOUT)
  • Internal 350-µs soft-start time to reduce inrush current
  • Active output discharge
  • Package: 5-pin SOT-23
  • Output accuracy:
    • ±0.5% (typ), ±0.75%, –40°C to +85°C
  • Device junction temperature: –40°C to +150°C, TJ
  • Input voltage range: 1.65 V to 6.0 V
  • Adjustable output voltage range: 1.2 V to 5.5 V
  • Low IQ: 25 µA (typ)
  • Ultra-low dropout:
    • 115 mV (max) at 300 mA (3.3 VOUT)
  • Internal 350-µs soft-start time to reduce inrush current
  • Active output discharge
  • Package: 5-pin SOT-23

The TPS784 is an adjustable 300-mA ultra low-dropout regulator (LDO) with a low quiescent current. This device is available in a small 5-pin, 2.9-mm × 1.6-mm, SOT-23 package and has an excellent line and load transient performance.

The low output noise and great PSRR performance make this device suitable to power-sensitive analog loads. The TPS784 is a flexible device for post regulation because this device supports an input voltage range from 1.65 V to 6.0 V and offers an adjustable output range of 1.2 V to 5.5 V.

The TPS784 offers foldback current limit to reduce power dissipation during over current condition. The EN input helps with power sequencing requirements of the system. The internal soft-start provides a controlled startup reducing the inrush current and allowing for a small input capacitor to be used.

The TPS784 provides an active pulldown circuit to quickly discharge output loads when disabled.

The TPS784 is an adjustable 300-mA ultra low-dropout regulator (LDO) with a low quiescent current. This device is available in a small 5-pin, 2.9-mm × 1.6-mm, SOT-23 package and has an excellent line and load transient performance.

The low output noise and great PSRR performance make this device suitable to power-sensitive analog loads. The TPS784 is a flexible device for post regulation because this device supports an input voltage range from 1.65 V to 6.0 V and offers an adjustable output range of 1.2 V to 5.5 V.

The TPS784 offers foldback current limit to reduce power dissipation during over current condition. The EN input helps with power sequencing requirements of the system. The internal soft-start provides a controlled startup reducing the inrush current and allowing for a small input capacitor to be used.

The TPS784 provides an active pulldown circuit to quickly discharge output loads when disabled.
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* Data sheet TPS784 300-mA, Low IQ, High-PSRR, Low-Dropout Voltage Regulator With High Accuracy and Enable datasheet (Rev. A) PDF | HTML 2020年 10月 22日

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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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SOT-23 (DBV) 5 Ultra Librarian
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