MP2107ADN-LF-Z

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The MP2107ADN-LF-Z is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The MP2107ADN-LF-Z is typically packaged in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6V
• Output Voltage Range: 0.8V to VIN
• Maximum Output Current: 1A
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2107ADN-LF-Z has the following pin configuration:

1. EN (Enable): Enable control pin for turning the regulator on/off.
2. FB (Feedback): Feedback pin for adjusting the output voltage.
3. GND (Ground): Ground reference for the IC.
4. SW (Switch): Switching node for connecting the external inductor.
5. VIN (Input Voltage): Input voltage supply pin.
6. PG (Power Good): Power good indicator pin.
7. NC (No Connection): No connection pin.
8. VOUT (Output Voltage): Output voltage pin.

Functional Features

• High efficiency up to 95%
• Adjustable output voltage through feedback pin
• Overcurrent protection with current limit
• Thermal shutdown protection to prevent overheating
• Power good indicator for monitoring the output voltage stability

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility - Current limit protection prevents damage due to excessive current - Thermal shutdown protection ensures safe operation

Disadvantages: - Limited maximum output current of 1A - Dropout voltage of 200mV may affect performance in low voltage applications

Working Principles

The MP2107ADN-LF-Z is a step-down voltage regulator that uses a synchronous buck converter topology. It operates by switching the input voltage through an internal MOSFET switch and an external inductor. The switched voltage is then filtered and regulated to provide a stable output voltage.

The enable pin (EN) controls the on/off state of the regulator, while the feedback pin (FB) adjusts the output voltage based on the reference voltage. The power good pin (PG) indicates whether the output voltage is within the desired range.

Detailed Application Field Plans

The MP2107ADN-LF-Z is commonly used in various electronic devices and applications, including:

1. Mobile devices: Smartphones, tablets, portable media players
2. Computer peripherals: USB hubs, external hard drives
3. Industrial equipment: Power supplies, motor control systems
4. Automotive electronics: Infotainment systems, lighting control
5. IoT devices: Wearables, smart home devices

Detailed and Complete Alternative Models

1. MP2107DN-LF-Z: Similar specifications and features, but without power good indicator.
2. MP2107ADJ-LF-Z: Adjustable output voltage version with similar characteristics.
3. MP2107DQ-LF-Z: Dual-output version with two independent voltage regulators.

These alternative models offer similar functionality and can be considered as substitutes for the MP2107ADN-LF-Z based on specific application requirements.

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