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線性與低壓差 (LDO) 穩壓器

LP3878-ADJ

現行

具有啟用功能的 800-mA、16-V 可調式低壓降電壓穩壓器

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LP3878-ADJ

現行
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產品詳細資料

Output options Adjustable Output, Fixed Output Iout (max) (A) 0.8 Vin (max) (V) 16 Vin (min) (V) 2.5 Vout (max) (V) 5.5 Vout (min) (V) 1 Fixed output options (V) 5.5 Rating Catalog Noise (µVrms) 18 PSRR at 100 KHz (dB) 35 Iq (typ) (mA) 5.5 Thermal resistance θJA (°C/W) 43 Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 475 Operating temperature range (°C) -40 to 125
Output options Adjustable Output, Fixed Output Iout (max) (A) 0.8 Vin (max) (V) 16 Vin (min) (V) 2.5 Vout (max) (V) 5.5 Vout (min) (V) 1 Fixed output options (V) 5.5 Rating Catalog Noise (µVrms) 18 PSRR at 100 KHz (dB) 35 Iq (typ) (mA) 5.5 Thermal resistance θJA (°C/W) 43 Load capacitance (min) (µF) 10 Regulated outputs (#) 1 Features Enable Accuracy (%) 3 Dropout voltage (Vdo) (typ) (mV) 475 Operating temperature range (°C) -40 to 125
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 WSON (NGT) 8 16 mm² 4 x 4
  • Input Supply Voltage: 2.5 V to 16V
  • Output Voltage Range: 1 V to 5.5 V
  • Designed for Use With Low-ESR Ceramic
    Capacitors
  • Very Low Output Noise
  • 8-Lead SO PowerPAD and WSON Surface-
    Mount Packages
  • < 10-µA Quiescent Current in Shutdown
  • Low Ground Pin Current at all Loads
  • Overtemperature and Overcurrent Protection
  • –40°C to 125°C Operating Junction Temperature
    Range
  • Input Supply Voltage: 2.5 V to 16V
  • Output Voltage Range: 1 V to 5.5 V
  • Designed for Use With Low-ESR Ceramic
    Capacitors
  • Very Low Output Noise
  • 8-Lead SO PowerPAD and WSON Surface-
    Mount Packages
  • < 10-µA Quiescent Current in Shutdown
  • Low Ground Pin Current at all Loads
  • Overtemperature and Overcurrent Protection
  • –40°C to 125°C Operating Junction Temperature
    Range

The LP3878-ADJ is an 800-mA, adjustable output, voltage regulator designed to provide high performance and low noise in applications requiring output voltages as low as 1 V.

Using an optimized VIP (Vertically Integrated PNP) process, the LP3878-ADJ delivers superior performance:

  • Ground Pin Current: Typically 5.5 mA at 800-mA load, and 180 µA at 100-µA load.
  • Low Power Shutdown: The LP3878-ADJ draws less than 10-µA quiescent current when the SHUTDOWN pin is pulled low.
  • Precision Output: Ensured output voltage accuracy is 1% at room temperature.
  • Low Noise: Broadband output noise is only 18 µV (typical) with a 10-nF bypass capacitor.

The LP3878-ADJ is an 800-mA, adjustable output, voltage regulator designed to provide high performance and low noise in applications requiring output voltages as low as 1 V.

Using an optimized VIP (Vertically Integrated PNP) process, the LP3878-ADJ delivers superior performance:

  • Ground Pin Current: Typically 5.5 mA at 800-mA load, and 180 µA at 100-µA load.
  • Low Power Shutdown: The LP3878-ADJ draws less than 10-µA quiescent current when the SHUTDOWN pin is pulled low.
  • Precision Output: Ensured output voltage accuracy is 1% at room temperature.
  • Low Noise: Broadband output noise is only 18 µV (typical) with a 10-nF bypass capacitor.
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* Data sheet LP3878-ADJ Micropower 800-mA Low-Noise "Ceramic Stable" Adjustable Voltage Regulator for 1-V to 5-V Applications datasheet (Rev. D) PDF | HTML 2015年 2月 9日

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