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線性與低壓差 (LDO) 穩壓器

LP38693-ADJ-Q1

現行

具啟用功能的車用 500-mA、10-V、可調整低壓差電壓穩壓器

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產品規格表

LP38693-ADJ-Q1

現行
產品規格表 立即訂購

產品詳細資料

Output options Adjustable Output Iout (max) (A) 0.5 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 9 Vout (min) (V) 1.25 Noise (µVrms) 80 Iq (typ) (mA) 0.055 Thermal resistance θJA (°C/W) 51 Rating Automotive Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable, Foldback Overcurrent protection Accuracy (%) 5 PSRR at 100 KHz (dB) 45 Dropout voltage (Vdo) (typ) (mV) 250 Operating temperature range (°C) -40 to 125
Output options Adjustable Output Iout (max) (A) 0.5 Vin (max) (V) 10 Vin (min) (V) 2.7 Vout (max) (V) 9 Vout (min) (V) 1.25 Noise (µVrms) 80 Iq (typ) (mA) 0.055 Thermal resistance θJA (°C/W) 51 Rating Automotive Load capacitance (min) (µF) 1 Regulated outputs (#) 1 Features Enable, Foldback Overcurrent protection Accuracy (%) 5 PSRR at 100 KHz (dB) 45 Dropout voltage (Vdo) (typ) (mV) 250 Operating temperature range (°C) -40 to 125
WSON (NGG) 6 9 mm² 3 x 3
  • Wide Input Voltage Range: 2.7 V to 10 V
  • All WSON Options are Available as AEC-Q100 Grade 1
  • Output Voltage Range: 1.25 V to 9 V
  • 2% Adjust (ADJ) Pin Voltage Accuracy (25°C)
  • Low Dropout Voltage: 250 mV at 500 mA
    (Typical, 5-V Out)
  • Precision (Trimmed) Bandgap Reference
  • Ensured Specs for –40°C to 125°C
  • 1-µA Off-State Quiescent Current
  • Thermal Overload Protection
  • Foldback Current Limiting
  • Ground (GND) Pin Curent: 55 µA (Typical) at Full Load
  • Enable (EN) Pin (LP38693-ADJ)
  • Wide Input Voltage Range: 2.7 V to 10 V
  • All WSON Options are Available as AEC-Q100 Grade 1
  • Output Voltage Range: 1.25 V to 9 V
  • 2% Adjust (ADJ) Pin Voltage Accuracy (25°C)
  • Low Dropout Voltage: 250 mV at 500 mA
    (Typical, 5-V Out)
  • Precision (Trimmed) Bandgap Reference
  • Ensured Specs for –40°C to 125°C
  • 1-µA Off-State Quiescent Current
  • Thermal Overload Protection
  • Foldback Current Limiting
  • Ground (GND) Pin Curent: 55 µA (Typical) at Full Load
  • Enable (EN) Pin (LP38693-ADJ)

The LP3869x-ADJ low-dropout CMOS linear regulators provide 2% precision reference voltage, extremely low dropout voltage (250 mV at 500-mA load current, VOUT = 5 V), and excellent AC performance using ultra-low equivalent series resistance (ESR) ceramic output capacitors.

The low thermal resistance of the WSON and SOT-223 packages allow use of the full operating current even in high ambient temperature environments.

The use of a PMOS power transistor means that no DC base drive current is required to bias it, thus allowing the GND-pin current to remain below 100 µA regardless of load current, input voltage, or operating temperature.

For all available packages, see the orderable addendum at the end of the data sheet.

The LP3869x-ADJ low-dropout CMOS linear regulators provide 2% precision reference voltage, extremely low dropout voltage (250 mV at 500-mA load current, VOUT = 5 V), and excellent AC performance using ultra-low equivalent series resistance (ESR) ceramic output capacitors.

The low thermal resistance of the WSON and SOT-223 packages allow use of the full operating current even in high ambient temperature environments.

The use of a PMOS power transistor means that no DC base drive current is required to bias it, thus allowing the GND-pin current to remain below 100 µA regardless of load current, input voltage, or operating temperature.

For all available packages, see the orderable addendum at the end of the data sheet.
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* Data sheet LP3869x-ADJ/Q1 500-mA Low-Dropout CMOS Linear Regulators Stable With Ceramic Output Capacitors datasheet (Rev. K) PDF | HTML 2016年 1月 19日

設計與開發

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開發板

LP38693-ADJEV — 具有可調整輸出的 500mA 低壓差 CMOS 線性穩壓器評估板

The LP38693SD-ADJ is a 500mA low-dropout linear regulator whose output voltage can be externally set to any valuebetween 1.25V and 9V using two resistors. The output voltage on this evaluation board is pre-set to 3.30V. This application note gives information about the evaluation board supplied to (...)

使用指南: PDF
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模擬型號

LP38693_ADJ PSpice Transient Model

SNVM596.ZIP (39 KB) - PSpice Model
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模擬型號

LP38693_ADJ Unencrypted PSpice Transient Model

SNVMAA2.ZIP (1 KB) - PSpice Model
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參考設計

TIDA-00133 — 適用於車用百萬像素 CMOS 攝影機的未壓縮數位視訊 SerDes (透過同軸電纜傳輸) 參考設計

The TIDA-00133 reference design is a high speed serial video interface to connect a remote automotive camera module to a display or machine vision processing system. It uses TIs FPD-Link III SerDes technology to transmit uncompressed MegaPixel video data, bidirectional control signals and power (...)
Design guide: PDF
電路圖: PDF
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