UCC3957MTR-1G4

Product Overview

Category

UCC3957MTR-1G4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management and control.

Characteristics

• Integrated circuit
• Power management capabilities
• Compact size
• High efficiency
• Low power consumption

Package

UCC3957MTR-1G4 is available in a small outline transistor (SOT) package.

Essence

The essence of UCC3957MTR-1G4 lies in its ability to efficiently manage and control power in electronic devices, ensuring optimal performance and energy conservation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 500mA
• Quiescent Current: 25µA
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 1.5MHz

Detailed Pin Configuration

The UCC3957MTR-1G4 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switch pin
6. VOUT: Output voltage pin

Functional Features

• Wide input voltage range allows compatibility with various power sources.
• High output current capability enables powering of multiple components simultaneously.
• Low quiescent current ensures minimal power loss during standby mode.
• Integrated protection features such as overvoltage and overcurrent protection enhance device safety.
• Fast transient response enables quick and efficient power delivery.

Advantages

• Compact size allows for easy integration into space-constrained electronic devices.
• High efficiency results in reduced power consumption and extended battery life.
• Wide input voltage range provides flexibility in power source selection.
• Integrated protection features enhance device reliability and longevity.
• Fast transient response ensures stable power supply during dynamic load changes.

Disadvantages

• Limited maximum output current may restrict usage in high-power applications.
• Operating temperature range may not be suitable for extreme environments.
• Higher cost compared to alternative models with similar specifications.

Working Principles

UCC3957MTR-1G4 operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The integrated control circuitry continuously monitors the input and output voltages, adjusting the duty cycle of the internal switch to maintain the desired output voltage level.

Detailed Application Field Plans

UCC3957MTR-1G4 finds application in various electronic devices, including but not limited to:

1. Portable electronic devices such as smartphones, tablets, and portable media players.
2. Battery-powered devices like wireless headphones, fitness trackers, and smartwatches.
3. IoT devices and sensors requiring efficient power management.
4. Automotive electronics, including infotainment systems and advanced driver-assistance systems (ADAS).
5. Industrial equipment and automation systems.

Detailed and Complete Alternative Models

1. UCC3957MTR-1G4R: Similar to UCC3957MTR-1G4, but with reverse polarity protection feature.
2. UCC3957MTR-1G4B: Variant with an extended operating temperature range (-40°C to +125°C).
3. UCC3957MTR-1G4F: Enhanced version with higher maximum output current (1A).

These alternative models offer similar functionality and can be considered based on specific application requirements.

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