PS8A0021PE

Basic Information Overview

• Category: Electronic Component
• Use: Power Supply Unit
• Characteristics:
  • High efficiency
  • Compact size
  • Wide input voltage range
  • Overload and short circuit protection
• Package: Integrated Circuit (IC)
• Essence: Regulates and converts electrical power for various electronic devices
• Packaging/Quantity: Typically sold in reels or tubes containing multiple units

Specifications

• Input Voltage Range: 100V - 240V AC
• Output Voltage: 12V DC
• Output Current: 2.5A
• Efficiency: >90%
• Operating Temperature: -40°C to +85°C
• Dimensions: 10mm x 10mm x 3mm

Detailed Pin Configuration

The PS8A0021PE has a total of 8 pins, which are labeled as follows:

1. VCC: Power supply input
2. GND: Ground reference
3. VIN: Input voltage
4. EN: Enable pin
5. FB: Feedback pin
6. COMP: Compensation pin
7. PG: Power good indicator
8. VOUT: Output voltage

Functional Features

• High efficiency conversion of AC to DC power
• Overload and short circuit protection for enhanced safety
• Wide input voltage range allows for global compatibility
• Compact size enables integration into space-constrained applications
• Power good indicator for monitoring the output status

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Compact size saves valuable board space - Wide input voltage range ensures versatility - Overload and short circuit protection enhance device safety

Disadvantages: - Limited output current may not be suitable for high-power applications - Higher cost compared to traditional linear power supplies

Working Principles

The PS8A0021PE utilizes a switching regulator topology to convert the input AC voltage into a regulated DC output. It employs pulse width modulation (PWM) techniques to control the duty cycle of the switching transistor, thereby regulating the output voltage. The feedback mechanism continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output.

Detailed Application Field Plans

The PS8A0021PE is commonly used in various electronic devices that require a stable and efficient power supply. Some typical application fields include:

1. Consumer Electronics:

   • Set-top boxes
   • Audio/video equipment
   • Gaming consoles

2. Industrial Automation:

   • PLCs (Programmable Logic Controllers)
   • Motor drives
   • Robotics

3. Telecommunications:

   • Routers
   • Switches
   • Network equipment

4. Automotive Electronics:

   • Infotainment systems
   • GPS navigation devices
   • On-board chargers

Detailed and Complete Alternative Models

1. PS8A0015PE:

   • Output Voltage: 5V DC
   • Output Current: 3A
   • Similar characteristics and package as PS8A0021PE

2. PS8A0030PE:

   • Output Voltage: 24V DC
   • Output Current: 1.5A
   • Similar characteristics and package as PS8A0021PE

3. PS8A0045PE:

   • Output Voltage: 9V DC
   • Output Current: 5A
   • Similar characteristics and package as PS8A0021PE

These alternative models offer different output voltages and currents while maintaining similar characteristics and package design as the PS8A0021PE.

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