LP2985IM5X-3.3/NOPB

LP2985IM5X-3.3/NOPB

Product Overview

Category

The LP2985IM5X-3.3/NOPB belongs to the category of low-dropout (LDO) voltage regulators.

Use

It is commonly used to provide a stable output voltage for various electronic devices and circuits.

Characteristics

• Low dropout voltage
• Low ground pin current
• Thermal shutdown and current limit protection
• High PSRR (Power Supply Rejection Ratio)

Package

The LP2985IM5X-3.3/NOPB is available in a miniature SOT-23 package, making it suitable for space-constrained applications.

Essence

This voltage regulator is essential for maintaining a consistent and reliable power supply in electronic systems.

Packaging/Quantity

The LP2985IM5X-3.3/NOPB is typically supplied in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 3.3V
• Dropout Voltage: 340mV at 150mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C
• Line Regulation: 0.05% typical
• Load Regulation: 0.1% typical

Detailed Pin Configuration

The LP2985IM5X-3.3/NOPB features a standard 5-pin SOT-23 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. BYP (Bypass Capacitor) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the output voltage.
• Thermal Shutdown and Current Limit Protection: Safeguards the regulator and the connected circuitry from overcurrent and excessive heat.
• High PSRR: Provides effective noise rejection, contributing to a cleaner output voltage.

Advantages and Disadvantages

Advantages

• Small form factor
• Low dropout voltage
• Excellent line and load regulation
• Thermal and current limit protection

Disadvantages

• Limited maximum output current compared to some other regulators
• Sensitive to input voltage fluctuations

Working Principles

The LP2985IM5X-3.3/NOPB operates by comparing the reference voltage with the feedback voltage to regulate the output voltage. It adjusts the pass transistor to maintain a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The LP2985IM5X-3.3/NOPB is widely used in portable electronic devices, battery-powered systems, sensor modules, and precision measurement equipment. Its small size and low quiescent current make it suitable for applications where space and power efficiency are critical.

Detailed and Complete Alternative Models

• LM1117MPX-3.3/NOPB
• MCP1703T-3302E/MB
• MAX8881EUT33+

In conclusion, the LP2985IM5X-3.3/NOPB is a versatile LDO voltage regulator with excellent performance characteristics, making it an ideal choice for a wide range of electronic applications requiring a stable and efficient power supply.

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