MAX856CUA+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, high current capability
• Package: 8-pin micro small outline package (MSOP)
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 300mV at 500mA
• Maximum Output Current: 1.5A
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.04% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. GND: Ground pin
2. IN: Input voltage pin
3. EN: Enable pin
4. BYP: Bypass capacitor pin
5. FB: Feedback pin
6. NC: No connection
7. OUT: Output voltage pin
8. VCC: Supply voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with low input-output differentials.
• High current capability allows for powering devices with higher current requirements.
• Built-in thermal shutdown protection prevents damage due to excessive heat.
• Short-circuit and overcurrent protection ensure safe operation.

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Excellent line and load regulation provide stable output voltage under different conditions.
• Low quiescent current minimizes power consumption in standby mode.
• Compact MSOP package saves board space and facilitates integration into small form factor designs.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may cause a significant power loss in low input-output differential scenarios.

Working Principles

The MAX856CUA+T is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin (EN) allows for on/off control of the regulator.

Detailed Application Field Plans

• Battery-powered devices: The low dropout voltage and low quiescent current make the MAX856CUA+T ideal for portable electronics, extending battery life.
• Automotive applications: The wide input voltage range and robust protection features make it suitable for automotive systems requiring stable power supply.
• Industrial equipment: The high current capability and thermal shutdown protection make it suitable for powering various industrial control systems.

Detailed and Complete Alternative Models

1. LM1117: Similar voltage regulator with adjustable output voltage.
2. LT1763: Low dropout voltage regulator with higher maximum output current.
3. TPS7A47: Ultra-low noise voltage regulator with wide input voltage range.

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