MAX6478BL15BD3+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Efficiency
• Package: SOT23-5
• Essence: Power Management IC
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.5V
• Maximum Output Current: 100mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6478BL15BD3+T has a total of 5 pins:

1. GND: Ground pin.
2. IN: Input voltage pin.
3. FB: Feedback pin for output voltage regulation.
4. EN: Enable pin to control the regulator's operation.
5. OUT: Output voltage pin.

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High efficiency results in minimal power dissipation.
• Stable output voltage regulation through feedback mechanism.
• Enable pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient power conversion.
• High efficiency minimizes power dissipation.
• Small package size (SOT23-5) allows for space-saving designs.
• Wide input voltage range provides flexibility in various applications.

Disadvantages

• Limited maximum output current (100mA).
• Not suitable for high-power applications.
• Requires external components for proper operation.

Working Principles

The MAX6478BL15BD3+T is a low dropout voltage regulator that operates by maintaining a stable output voltage despite variations in the input voltage. It achieves this through a feedback mechanism that compares the output voltage with a reference voltage and adjusts the internal circuitry accordingly.

When the enable pin (EN) is high, the regulator is active and regulates the output voltage. Conversely, when the enable pin is low, the regulator enters a low-power shutdown mode, reducing power consumption.

Detailed Application Field Plans

The MAX6478BL15BD3+T is commonly used in various applications, including:

1. Battery-powered devices: Provides regulated voltage for portable electronics such as smartphones, tablets, and wearables.
2. IoT devices: Ensures stable power supply for sensors, microcontrollers, and wireless communication modules.
3. Automotive electronics: Used in automotive systems like infotainment systems, lighting controls, and engine management units.
4. Industrial equipment: Provides reliable voltage regulation for control systems, motor drives, and instrumentation devices.

Detailed and Complete Alternative Models

• MAX6479BL15BD3+T: Similar to MAX6478BL15BD3+T but with a different output voltage of 1.5V.
• MAX6480BL15BD3+T: Low dropout voltage regulator with an output voltage of 1.5V and higher maximum output current of 200mA.
• MAX6490BL15BD3+T: Voltage regulator with adjustable output voltage range from 1.2V to 5V.

These alternative models offer similar functionality but may have different specifications or features to suit specific application requirements.

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