SPX3819M5-L-3-3/TR
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MaxLinear, Inc. SPX3819M5-L-3-3/TR

Manufacturer No:
SPX3819M5-L-3-3/TR
Manufacturer:
MaxLinear, Inc.
Package:
Tape & Reel (TR)
Description:
IC REG LINEAR 3.3V 500MA SOT23-5
Delivery:
Payment:
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Product Introduction

Overview

The SPX3819M5-L-3-3/TR is a 3.3V, 500mA fixed output, surface mount low-dropout (LDO) linear voltage regulator from MaxLinear's SPX3819 series. This device is designed to provide a stable and low-noise output voltage, making it suitable for a variety of applications, particularly in battery-powered systems. The regulator features a low dropout voltage, high accuracy, and a very low quiescent current, which enhances its efficiency and reliability.

Key Specifications

Attribute Value
Manufacturer MaxLinear
Part Number SPX3819M5-L-3-3/TR
Package Style SOT-23-5 (SOT-25)
Mounting Method Surface Mount
Input Voltage (Min) 2.5V
Input Voltage (Max) 16V
Output Voltage Fixed 3.3V
Dropout Voltage (Max) 0.55V
Output Current (Max) 0.5A
Tolerance (%) ±1%
Operating Temperature Range -40°C to +125°C
Regulator Topology Fixed
Quiescent Current 90µA
No. of Outputs Single
Output Noise 40µV
Load Regulation (%) 0.05%
Current Limit 0.8A
Line Regulation (%) 0.04%
Power Supply Rejection Ratio (PSRR) 70dB

Key Features

  • Low Noise: 40µV possible, ensuring minimal output noise.
  • High Accuracy: Initial tolerance of less than 1% max.
  • Reverse Battery Protection: Protects the device from reverse battery conditions.
  • Low Dropout: Dropout voltage of 0.55V at full load.
  • Low Quiescent Current: 90µA, reducing power consumption.
  • Zero Off-Mode Current: Power consumption drops to nearly zero when disabled.
  • Fixed Output: Available in various fixed output voltages (1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 5.0V) and adjustable output options.
  • Reference Bypass Pin: For optimal low noise output performance.
  • Thermal Shutdown and Current Limit: Enhances device reliability and safety.
  • Logic Compatible ON/OFF Switched Input: Allows for easy control of the regulator.
  • RoHS Compliant, Lead Free Packages: Available in 5-pin SOT-23, 8-pin Narrow SOIC, and 8-pin DFN packages.

Applications

  • Battery Powered Systems: Ideal for cordless telephones, radio control systems, and portable computers.
  • Portable Consumer Equipment: Suitable for handheld devices and other portable consumer electronics.
  • Portable Instrumentation: Used in various portable measurement and testing devices.
  • Bar Code Scanners: Provides stable voltage for barcode scanning equipment.
  • SMPS Post Regulators: Can be used as post-regulators in Switch-Mode Power Supplies (SMPS).

Q & A

  1. What is the maximum output current of the SPX3819M5-L-3-3/TR?

    The maximum output current is 0.5A (500mA).

  2. What is the input voltage range for the SPX3819M5-L-3-3/TR?

    The input voltage range is from 2.5V to 16V.

  3. What is the dropout voltage of the SPX3819M5-L-3-3/TR?

    The maximum dropout voltage is 0.55V.

  4. What is the quiescent current of the SPX3819M5-L-3-3/TR?

    The quiescent current is 90µA.

  5. Does the SPX3819M5-L-3-3/TR have reverse battery protection?
  6. What is the operating temperature range of the SPX3819M5-L-3-3/TR?

    The operating temperature range is from -40°C to +125°C.

  7. What is the power supply rejection ratio (PSRR) of the SPX3819M5-L-3-3/TR?

    The PSRR is 70dB.

  8. Is the SPX3819M5-L-3-3/TR RoHS compliant?
  9. What are the available package styles for the SPX3819 series?

    The SPX3819 series is available in 5-pin SOT-23, 8-pin Narrow SOIC, and 8-pin DFN packages.

  10. What is the typical application of the SPX3819M5-L-3-3/TR in battery-powered systems?

Product Attributes

Output Configuration:Positive
Output Type:Fixed
Number of Regulators:1
Voltage - Input (Max):16V
Voltage - Output (Min/Fixed):3.3V
Voltage - Output (Max):- 
Voltage Dropout (Max):0.7V @ 500mA
Current - Output:500mA
Current - Quiescent (Iq):8 µA
Current - Supply (Max):30 mA
PSRR:- 
Control Features:Enable
Protection Features:Over Current, Over Temperature, Reverse Polarity
Operating Temperature:-40°C ~ 125°C
Mounting Type:Surface Mount
Package / Case:SC-74A, SOT-753
Supplier Device Package:SOT-23-5
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Similar Products

Part Number SPX3819M5-L-3-3/TR SPX3819M5-L-3-0/TR SPX3819M5-L-3-3/MTR
Manufacturer MaxLinear, Inc. MaxLinear, Inc. MaxLinear, Inc.
Product Status Active Active Discontinued at Digi-Key
Output Configuration Positive Positive Positive
Output Type Fixed Fixed Fixed
Number of Regulators 1 1 1
Voltage - Input (Max) 16V 16V 16V
Voltage - Output (Min/Fixed) 3.3V 3V 3.3V
Voltage - Output (Max) - - -
Voltage Dropout (Max) 0.7V @ 500mA 0.7V @ 500mA 0.7V @ 500mA
Current - Output 500mA 500mA 500mA
Current - Quiescent (Iq) 8 µA 8 µA 190 µA
Current - Supply (Max) 30 mA 30 mA 30 mA
PSRR - - -
Control Features Enable Enable Enable
Protection Features Over Current, Over Temperature, Reverse Polarity Over Current, Over Temperature, Reverse Polarity Over Current, Over Temperature, Reverse Polarity
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case SC-74A, SOT-753 SC-74A, SOT-753 SC-74A, SOT-753
Supplier Device Package SOT-23-5 SOT-23-5 SOT-23-5

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