MAX850ISA+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low-dropout, high-current, adjustable voltage regulator
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides a stable and regulated output voltage for various electronic devices
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 11V
• Output Voltage Range: 1.25V to 10V
• Maximum Output Current: 3A
• Dropout Voltage: 120mV at 3A
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 500µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MAX850ISA+T has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion.
• High output current capability allows it to drive power-hungry devices.
• Adjustable output voltage provides flexibility in various applications.
• Excellent line and load regulation ensures stable output voltage under different conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages

• Wide input voltage range enables compatibility with different power sources.
• High output current capability makes it suitable for demanding applications.
• Adjustable output voltage allows customization according to specific requirements.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Compact package size facilitates space-constrained designs.

Disadvantages

• Limited output voltage range may not be suitable for certain applications requiring higher voltages.
• Quiescent current consumption may affect battery life in low-power devices.
• Heat dissipation may be a concern at high output currents and ambient temperatures.

Working Principles

The MAX850ISA+T is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the ADJ pin. The internal circuitry adjusts the pass transistor's resistance to maintain a stable output voltage, compensating for changes in input voltage and load conditions.

Detailed Application Field Plans

The MAX850ISA+T finds applications in various electronic systems, including:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: Used in control systems, sensors, and actuators to ensure stable operation.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication systems: Enables reliable power delivery in routers, switches, and wireless access points.
5. Medical devices: Provides precise voltage regulation in medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with similar specifications and pin configuration.
2. LT1086: Low dropout voltage regulator capable of delivering higher output currents.
3. LM1117: Fixed output voltage regulator available in various voltage options.
4. TPS7A47: Ultra-low dropout voltage regulator with enhanced noise performance.
5. LDO50V: High-voltage linear regulator suitable for applications requiring higher output voltages.

(Note: This list is not exhaustive and serves as a starting point for exploring alternative models.)

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