SP7805V2-L/TR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: High efficiency, low dropout voltage, compact size
• Package: SOT-23-5
• Essence: Linear regulator with adjustable output voltage
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SP7805V2-L/TR has a total of five pins:

1. VIN - Input voltage pin
2. GND - Ground pin
3. FB - Feedback pin for adjusting the output voltage
4. EN - Enable pin for turning the regulator on/off
5. VOUT - Output voltage pin

Functional Features

• Adjustable output voltage through the feedback pin
• Low dropout voltage allows efficient regulation even with small input-output differentials
• Excellent line and load regulation ensures stable output voltage under varying conditions
• Thermal shutdown and current limit protection for enhanced reliability
• Low quiescent current minimizes power consumption in standby mode

Advantages and Disadvantages

Advantages

• High efficiency operation
• Compact package size
• Wide input voltage range
• Adjustable output voltage
• Excellent line and load regulation

Disadvantages

• Limited output current capacity (up to 150mA)
• Sensitive to input voltage fluctuations

Working Principles

The SP7805V2-L/TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage at the FB pin with a reference voltage, and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized through the use of a low resistance pass element.

Detailed Application Field Plans

The SP7805V2-L/TR is commonly used in various applications where a regulated voltage supply is required. Some typical application fields include:

1. Battery-powered devices: Provides a stable voltage supply for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: Used in automation equipment, sensors, and actuators to ensure reliable operation.
3. Automotive electronics: Regulates voltage for automotive modules, infotainment systems, and lighting applications.
4. Communication devices: Provides voltage regulation for routers, switches, and other networking equipment.
5. Consumer electronics: Used in audio/video equipment, gaming consoles, and home appliances.

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LT1763: Low dropout voltage regulator with ultra-low quiescent current.
3. TPS7A47: High-performance voltage regulator with wide input voltage range.
4. MCP1700: Low-cost linear regulator with fixed output voltage options.
5. MAX603: Micropower voltage regulator with integrated power-on reset.

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

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