PSB 21553 E V1.4

Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, low power consumption
• Package: Standard IC package (e.g., QFN, SOP)
• Essence: Regulates and controls power supply in electronic devices
• Packaging/Quantity: Available in reels or trays, quantity varies based on manufacturer

Specifications

• Model Number: PSB 21553 E V1.4
• Operating Voltage: 3.3V - 5V
• Operating Temperature: -40°C to +85°C
• Power Dissipation: 500mW
• Input Voltage Range: 4.5V - 24V
• Output Voltage Range: 0.8V - 5V
• Output Current: Up to 2A
• Switching Frequency: 300kHz - 1MHz

Pin Configuration

The PSB 21553 E V1.4 has the following pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VIN | Input voltage | | 2 | GND | Ground | | 3 | VOUT | Output voltage | | 4 | EN | Enable control | | 5 | FB | Feedback voltage | | 6 | COMP | Compensation | | 7 | SS | Soft-start | | 8 | PGND | Power ground |

Functional Features

• High Efficiency: The PSB 21553 E V1.4 offers high efficiency power conversion, minimizing energy loss.
• Low Power Consumption: It consumes minimal power during operation, reducing overall power usage.
• Wide Input Voltage Range: The IC can handle a wide range of input voltages, making it suitable for various applications.
• Output Voltage Regulation: It provides stable and regulated output voltage, ensuring reliable power supply to connected devices.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current flow.

Advantages

• Compact size and lightweight design
• Wide operating temperature range allows for use in diverse environments
• High efficiency results in reduced energy consumption
• Reliable and stable power supply

Disadvantages

• Limited output current capacity may not be suitable for high-power applications
• Requires external components for proper operation
• Sensitive to voltage fluctuations, necessitating careful input voltage regulation

Working Principles

The PSB 21553 E V1.4 operates based on a switching regulator principle. It utilizes a control circuit to regulate the input voltage and convert it into a stable output voltage. The control circuit adjusts the duty cycle of the internal switch to maintain the desired output voltage. This switching process minimizes power loss and improves overall efficiency.

Application Field Plans

The PSB 21553 E V1.4 is commonly used in various electronic devices that require efficient power management. Some potential application fields include: - Mobile devices (smartphones, tablets) - Portable gaming consoles - IoT devices - Battery-powered devices - Industrial automation systems

Alternative Models

• PSB 21554 E V1.5: Similar functionality with enhanced features
• PSB 21555 E V2.0: Higher output current capacity and additional protection features
• PSB 21556 E V1.3: Lower power consumption and improved efficiency

Please note that the above alternative models are suggestions and may vary based on specific requirements and availability from different manufacturers.

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