SC4808B-1MSTRT

Product Overview

Category: Integrated Circuit (IC)

Use: The SC4808B-1MSTRT is a versatile integrated circuit primarily used for power management applications. It provides efficient voltage regulation and control, making it suitable for various electronic devices.

Characteristics: - High efficiency power conversion - Wide input voltage range - Low standby power consumption - Overcurrent and overtemperature protection - Compact size for space-constrained designs

Package: The SC4808B-1MSTRT is available in a small surface-mount package, allowing for easy integration onto printed circuit boards (PCBs).

Essence: This IC is designed to optimize power delivery and ensure stable voltage output, enhancing the performance and reliability of electronic systems.

Packaging/Quantity: The SC4808B-1MSTRT is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V - 28V
• Output Voltage Range: 0.8V - 24V
• Maximum Output Current: 3A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 85°C
• Package Type: MSOP-10

Pin Configuration

The SC4808B-1MSTRT features the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. COMP (Compensation)
6. SS (Soft Start)
7. PGND (Power Ground)
8. SW (Switch)
9. SW (Switch)
10. VOUT (Output Voltage)

Functional Features

• High Efficiency: The SC4808B-1MSTRT utilizes advanced power conversion techniques to achieve high efficiency, minimizing power losses and maximizing battery life in portable devices.
• Wide Input Voltage Range: The IC can handle a wide range of input voltages, allowing it to be used in various applications with different power sources.
• Overcurrent and Overtemperature Protection: The integrated protection circuitry safeguards the IC and the connected components from damage due to excessive current or temperature.
• Low Standby Power Consumption: When not actively delivering power, the SC4808B-1MSTRT consumes minimal standby power, reducing energy wastage.
• Compact Size: The small form factor of the IC enables its integration into space-constrained designs, making it suitable for compact electronic devices.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Overcurrent and overtemperature protection - Low standby power consumption - Compact size for space-constrained designs

Disadvantages: - Limited maximum output current (3A) - Operating temperature range may not be suitable for extreme environments

Working Principles

The SC4808B-1MSTRT operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It uses pulse-width modulation (PWM) techniques to regulate the output voltage based on the feedback received from the FB pin. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain a stable output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The SC4808B-1MSTRT finds applications in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets, portable media players) - Industrial automation systems - Automotive electronics - LED lighting systems - Battery-powered equipment

Alternative Models

For users seeking alternative options, the following ICs can be considered: - SC4809A-1MSTRT - SC4810B-1MSTRT - SC4811C-1MSTRT - SC4812D-1MSTRT

These models offer similar functionality and characteristics to the SC4808B-1MSTRT, providing flexibility in design choices.

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