MP24971DN-LF-Z

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, compact size, low power consumption
• Package: SOP-8
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 1A
• Quiescent Current: 30µA
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP24971DN-LF-Z has the following pin configuration:

1. EN (Enable): Enable control pin for turning the regulator on/off.
2. GND (Ground): Ground reference for the IC.
3. FB (Feedback): Feedback pin for setting the output voltage.
4. VIN (Input Voltage): Input voltage supply pin.
5. SW (Switch): Switching node for the internal power switch.
6. PG (Power Good): Power good indicator pin.
7. COMP (Compensation): Compensation pin for stability control.
8. VOUT (Output Voltage): Output voltage pin.

Functional Features

• High efficiency conversion of input voltage to output voltage.
• Low dropout voltage for improved performance.
• Overcurrent protection to prevent damage to the IC.
• Thermal shutdown protection to prevent overheating.
• Soft-start function for controlled startup.
• Power good indicator for system monitoring.

Advantages and Disadvantages

Advantages

• Compact size allows for space-saving designs.
• High efficiency results in reduced power consumption.
• Wide input voltage range enables versatile applications.
• Overcurrent and thermal protection enhance reliability.
• Soft-start function prevents inrush current.

Disadvantages

• Limited maximum output current of 1A.
• Operating temperature range may not be suitable for extreme environments.

Working Principles

The MP24971DN-LF-Z is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.6V and VIN. It utilizes a high-frequency switching converter topology to achieve high efficiency power conversion. The internal power switch operates at a frequency of 1.2MHz, allowing for compact size and reduced external component count.

The feedback pin (FB) is used to set the desired output voltage using an external resistor divider network. The enable pin (EN) controls the on/off state of the regulator. When enabled, the IC regulates the output voltage based on the feedback signal. The compensation pin (COMP) is used to stabilize the control loop and ensure proper transient response.

Detailed Application Field Plans

The MP24971DN-LF-Z is commonly used in various applications where efficient power management is required. Some of the typical application fields include:

1. Portable electronic devices: Smartphones, tablets, portable media players.
2. Battery-powered systems: Wearable devices, wireless sensors, IoT devices.
3. Industrial equipment: Power supplies, motor control, LED lighting.
4. Automotive electronics: Infotainment systems, navigation devices, lighting control.

Detailed and Complete Alternative Models

1. MP24972DN-LF-Z: Similar specifications with higher maximum output current of 2A.
2. MP24973DN-LF-Z: Similar specifications with wider input voltage range of 2.5V to 5.5V.
3. MP24974DN-LF-Z: Similar specifications with adjustable output voltage range.

These alternative models provide flexibility in choosing the right voltage regulator based on specific application requirements.

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