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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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產品規格表

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TPS784

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) 1.65 Iout (max) (A) 0.3 Output options Adjustable Output Vout (max) (V) 5.5 Vout (min) (V) 1.2 Noise (µVrms) 30 PSRR at 100 KHz (dB) 49 Iq (typ) (mA) 0.025 Features Enable Thermal resistance θJA (°C/W) 186.1 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Accuracy (%) 0.75 Dropout voltage (Vdo) (typ) (mV) 115 Operating temperature range (°C) -40 to 125
Rating Catalog Vin (max) (V) 6 Vin (min) (V) 1.65 Iout (max) (A) 0.3 Output options Adjustable Output Vout (max) (V) 5.5 Vout (min) (V) 1.2 Noise (µVrms) 30 PSRR at 100 KHz (dB) 49 Iq (typ) (mA) 0.025 Features Enable Thermal resistance θJA (°C/W) 186.1 Load capacitance (min) (µF) 1 Regulated outputs (#) 1 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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