MAX856CSA+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: Small Outline Package (SOIC)
• Essence: Provides regulated output voltage for electronic devices
• Packaging/Quantity: Comes in a reel with 250 units

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA load
• Quiescent Current: 50µA (typical)

Detailed Pin Configuration

The MAX856CSA+ has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | FB | Feedback Pin | | 4 | VOUT | Output Voltage |

Functional Features

• High efficiency voltage regulation
• Low dropout voltage ensures stable output even with low input voltage
• Thermal shutdown protection prevents overheating
• Short-circuit current limiting protects the device and connected components

Advantages

• Compact size makes it suitable for space-constrained applications
• Wide input voltage range allows for versatile use
• Low quiescent current minimizes power consumption
• Excellent line and load regulation ensures stable output voltage

Disadvantages

• Limited output current may not be sufficient for high-power applications
• Requires external capacitors for stability, increasing component count

Working Principles

The MAX856CSA+ is a linear voltage regulator that uses a PNP pass transistor to regulate the output voltage. It compares the feedback voltage (FB) with a reference voltage to adjust the pass transistor's conduction, maintaining a constant output voltage. The device operates in a dropout mode, allowing it to regulate even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MAX856CSA+ is commonly used in various electronic devices that require a stable and regulated power supply. Some typical applications include: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. LM317T: Adjustable Voltage Regulator with higher output current capability.
2. LT1084: Low Dropout Positive Fixed Voltage Regulator with higher output current and lower dropout voltage.
3. LM1117: Low Dropout Linear Regulator with adjustable or fixed output voltage options.

These alternative models offer similar functionality and can be considered based on specific requirements.

In conclusion, the MAX856CSA+ is a compact and efficient voltage regulator IC suitable for a wide range of applications. Its low dropout voltage, high efficiency, and thermal protection make it a reliable choice for powering electronic devices. However, its limited output current and requirement for external capacitors should be taken into consideration.