MAX859CSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, adjustable output voltage
• Package: Surface Mount Technology (SMT)
• Essence: Linear regulator with high accuracy and low dropout 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: 500mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX859CSA+T has a total of 8 pins:

1. GND (Ground)
2. IN (Input Voltage)
3. ADJ (Adjustment Pin)
4. OUT (Output Voltage)
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. VOUT (Voltage Output)

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Adjustable output voltage allows for flexibility in various applications.
• Excellent line and load regulation provide stable output voltage.
• Low quiescent current minimizes power consumption.
• Thermal shutdown and current limit protection ensure device safety.

Advantages

• High accuracy and low dropout voltage result in efficient power conversion.
• Adjustable output voltage allows for customization based on specific requirements.
• Excellent line and load regulation provide stable and reliable performance.
• Low quiescent current reduces power consumption and extends battery life.
• Thermal shutdown and current limit protection enhance device safety.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• The package type (SMT) may require specialized equipment for soldering and rework.

Working Principles

The MAX859CSA+T is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output terminals. It utilizes a pass transistor to regulate the output voltage based on the feedback received from the adjustment pin. By adjusting the resistance connected to the ADJ pin, the output voltage can be set within the specified range.

Detailed Application Field Plans

The MAX859CSA+T is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Portable electronics, handheld instruments, and medical devices.
2. Automotive applications: Vehicle infotainment systems, GPS navigation devices, and dashboard displays.
3. Industrial equipment: Control systems, sensors, and data acquisition devices.
4. Communication devices: Wireless routers, modems, and network switches.
5. Consumer electronics: Smartphones, tablets, and digital cameras.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with similar specifications and pin configuration.
2. LT1086: Low dropout linear regulator with higher maximum output current.
3. LM1117: Fixed voltage regulator available in various output voltage options.
4. TPS7A4700: Ultra-low dropout voltage regulator with high accuracy and low noise.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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