MAX808LCSA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Voltage Regulator
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Voltage regulation for low power applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 120mV at 100mA load current
• Quiescent Current: 50µA typical
• Output Current: Up to 150mA
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX808LCSA+T has the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. BYP: Bypass capacitor connection
5. FB: Feedback pin for setting the output voltage
6. OUT: Regulated output voltage
7. NC: No connection
8. VCC: Supply voltage input for internal circuitry

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in power supply selection
• Adjustable output voltage through external resistor divider network
• Low quiescent current for power-sensitive applications
• Thermal shutdown protection prevents damage due to excessive heat
• Short-circuit current limit protects the device from overcurrent conditions

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient power conversion
• Wide input voltage range provides flexibility in power supply selection
• Adjustable output voltage allows customization for specific applications
• Low quiescent current minimizes power consumption
• Thermal shutdown and short-circuit protection enhance device reliability

Disadvantages

• Maximum output current limited to 150mA, may not be suitable for high-power applications
• Limited pin configuration options restricts versatility in circuit design

Working Principles

The MAX808LCSA+T is a low dropout voltage regulator that maintains a stable output voltage despite variations in the input voltage. It achieves this by using a pass transistor that adjusts its resistance to regulate the output voltage. The feedback pin (FB) is used to set the desired output voltage through an external resistor divider network. The enable pin (EN) allows the regulator to be turned on or off as needed.

Detailed Application Field Plans

The MAX808LCSA+T is commonly used in various low power applications where a stable and regulated voltage is required. Some of the typical application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of the MAX808LCSA+T.
2. IoT (Internet of Things) devices: Sensors, actuators, and other IoT devices often operate on low power and require efficient voltage regulation.
3. Automotive electronics: The wide input voltage range and thermal shutdown protection make the MAX808LCSA+T suitable for automotive applications where voltage fluctuations and temperature variations are common.
4. Industrial control systems: The stability and reliability of the MAX808LCSA+T make it ideal for use in industrial control systems that require precise voltage regulation.

Detailed and Complete Alternative Models

• MAX809LCSA+T: Similar to MAX808LCSA+T, but with a higher output current capability of up to 300mA.
• MAX810LCSA+T: Low dropout voltage regulator with an adjustable output voltage range from 1.2V to 5.5V.
• MAX811LCSA+T: Voltage supervisor with a fixed output voltage of 3.3V and a reset timeout period of 140ms.

These alternative models offer similar functionality and can be considered as substitutes for the MAX808LCSA+T depending on specific application requirements.

In conclusion, the MAX808LCSA+T is a low dropout voltage regulator that provides efficient power management for various low power applications. Its wide input voltage range, adjustable output voltage, and thermal protection make it a versatile choice for different industries. However, its limited pin configuration options and maximum output current may restrict its use in certain high-power applications.