MP20045DQ-33-LF-Z

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Wide input voltage range - Thermal shutdown protection - Short-circuit current limiting

Package: DFN (Dual Flat No-Lead) package

Essence: The MP20045DQ-33-LF-Z is a voltage regulator IC designed to provide a stable output voltage from a varying input voltage source.

Packaging/Quantity: The MP20045DQ-33-LF-Z is typically packaged in reels and available in quantities of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 3.3V
• Dropout Voltage: 200mV @ 1A
• Output Current: Up to 2A
• Quiescent Current: 100μA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP20045DQ-33-LF-Z has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion even with small input-output voltage differentials.
• High output current capability allows for powering a wide range of devices.
• Wide input voltage range provides flexibility in various applications.
• Thermal shutdown protection prevents the IC from overheating.
• Short-circuit current limiting protects the IC and connected devices from excessive current.

Advantages and Disadvantages

Advantages: - Efficient voltage regulation with low dropout voltage - High output current capability - Wide input voltage range for versatile applications - Built-in thermal shutdown protection and short-circuit current limiting

Disadvantages: - Limited output voltage options (only 3.3V) - Relatively high quiescent current compared to some other voltage regulators

Working Principles

The MP20045DQ-33-LF-Z operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. The enable pin (EN) allows for control of the regulator's operation. When enabled, the IC regulates the input voltage to provide a stable output voltage.

Detailed Application Field Plans

The MP20045DQ-33-LF-Z is commonly used in various electronic devices and systems that require a stable 3.3V power supply. Some typical application fields include:

1. Battery-powered portable devices
2. Embedded systems
3. IoT (Internet of Things) devices
4. Consumer electronics
5. Industrial automation

Detailed and Complete Alternative Models

1. MP20045DQ-25-LF-Z: Similar to MP20045DQ-33-LF-Z but provides a regulated output voltage of 2.5V.
2. MP20045DQ-50-LF-Z: Similar to MP20045DQ-33-LF-Z but provides a regulated output voltage of 5.0V.
3. MP20045DQ-ADJ-LF-Z: Adjustable output voltage version of MP20045DQ series, allowing users to set the desired output voltage within a specific range.

These alternative models offer different output voltage options to cater to diverse application requirements.

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