MAX1931EUB+T

Product Overview

The MAX1931EUB+T belongs to the category of voltage regulators and is commonly used in electronic devices to provide a stable output voltage. Its characteristics include high efficiency, low dropout voltage, and a compact package. The essence of MAX1931EUB+T lies in its ability to regulate voltage with minimal power loss. It is typically available in a small SOT23-5 package and is sold in quantities suitable for both prototyping and production.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.8V to 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX1931EUB+T features a standard SOT23-5 pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. FB (Feedback) 4. EN (Enable) 5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage enables efficient regulation even with small input-output differentials.
• Ultra-low quiescent current minimizes power consumption in standby or idle modes.
• Enable pin allows for convenient on/off control of the regulator.

Advantages and Disadvantages

Advantages

• High efficiency
• Wide input voltage range
• Small package size

Disadvantages

• Limited maximum output current
• Restricted output voltage range

Working Principles

The MAX1931EUB+T utilizes a feedback control mechanism to maintain a stable output voltage despite variations in the input voltage and load conditions. This is achieved through an internal error amplifier that compares the actual output voltage with a reference voltage and adjusts the pass transistor accordingly.

Detailed Application Field Plans

The MAX1931EUB+T is well-suited for various portable and battery-powered applications, including: - Mobile phones - Portable media players - Digital cameras - Handheld gaming devices

Detailed and Complete Alternative Models

Some alternative models to MAX1931EUB+T include: - MAX8881EUT25+: Similar voltage regulator with higher output current capability - MCP1700T-1802E/TT: Low dropout voltage regulator with comparable specifications - TPS79933DDCR: Ultra-low quiescent current LDO regulator for power-sensitive applications

In conclusion, the MAX1931EUB+T is a versatile voltage regulator with a focus on efficiency and compactness, making it an ideal choice for a wide range of portable electronic devices.

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