S-1121B48MC-N3HTFG

Product Overview

Category: Electronic Component
Use: Power Management
Characteristics: High Efficiency, Low Power Consumption
Package: SMD (Surface Mount Device)
Essence: DC-DC Converter
Packaging/Quantity: Tape and Reel / 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage: 4.8V
• Output Current: 1A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Overcurrent, Overvoltage, Undervoltage, Thermal Shutdown

Detailed Pin Configuration

The S-1121B48MC-N3HTFG has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• High efficiency conversion of input voltage to output voltage
• Low power consumption in standby mode
• Overcurrent protection prevents damage to the device and connected components
• Overvoltage and undervoltage protection ensures stable operation
• Thermal shutdown feature protects against overheating

Advantages and Disadvantages

Advantages: - High efficiency results in less power loss - Wide input voltage range allows for versatile applications - Compact SMD package saves space on PCB - Comprehensive protection features enhance reliability

Disadvantages: - Limited output current may not be suitable for high-power applications - Higher cost compared to non-isolated converters

Working Principles

The S-1121B48MC-N3HTFG is a DC-DC converter that utilizes a switching regulator to convert the input voltage to a stable 4.8V output voltage. The switching frequency of 1.2MHz ensures efficient power conversion. The feedback pin (FB) is used to regulate the output voltage by adjusting the duty cycle of the internal switch.

Detailed Application Field Plans

The S-1121B48MC-N3HTFG is commonly used in various electronic devices that require a regulated 4.8V power supply. Some typical application fields include:

1. Portable electronic devices
2. Battery-powered systems
3. IoT (Internet of Things) devices
4. Industrial automation equipment
5. Automotive electronics

Detailed and Complete Alternative Models

1. S-1121B48MC-R3HTFG: Similar specifications, but with reverse polarity protection feature.
2. S-1121B48MC-N3HTFH: Similar specifications, but with adjustable output voltage.
3. S-1121B48MC-N3HTFA: Similar specifications, but with higher output current capability (up to 2A).

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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