Description

The BU4836F-TR is a 100mA fixed-output voltage regulator from the LD2981 series. It is designed for low noise, low power applications and is suitable for use in battery powered systems. With its ultra low dropout voltage and low quiescent current, this regulator is highly efficient and reliable.

Specifications and features

• Stable with low ESR ceramic capacitors
• Ultra low dropout voltage (0.17V typ. at 100mA load, 7mV typ. at 1mA load)
• Very low quiescent current (80µA typ. at no load in on mode; max 1µA in off mode)
• Guaranteed output current up to 100mA
• Logic-controlled electronic shutdown
• Wide range of output voltage options available: 1.5V, 1.8V, 2.5V, 2.85V, 3.0V, 3.2V, 3.3V, 3.6V, 3.8V, 4.0V, 4.7V, 4.85V, and 5.0V
• Internal current and thermal limit
• ± 0.75% tolerance output voltage available (A version)
• Output low noise voltage 160µVRMS
• Temperature range: -40 to 125°C
• Smallest package options available: SOT23-5L and SOT-89
• Fast dynamic response to line and load changes

Application Scenarios

The BU4836F-TR voltage regulator can be used in a wide range of applications, including but not limited to:

• Battery powered devices
• Low power electronic systems
• Noise-sensitive circuits

Comparison

Advantages:

• Ultra low dropout voltage for efficient power regulation
• Low quiescent current for power-saving operation
• Wide range of output voltage options
• Smallest package options available

Disadvantages:

• No apparent disadvantages have been found for this model