S-1122B45MC-L9ETFG

Basic Information Overview

• Category: Electronic Component
• Use: Power Management IC
• Characteristics: High Efficiency, Low Power Consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage: Adjustable from 0.8V to 5.5V
• Output Current: Up to 2A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-1122B45MC-L9ETFG has the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VIN | Input Voltage | | 2 | GND | Ground | | 3 | FB | Feedback Voltage | | 4 | EN | Enable Control | | 5 | SW | Switch Node | | 6 | VOUT | Output Voltage |

Functional Features

• High Efficiency: The S-1122B45MC-L9ETFG offers high efficiency conversion, minimizing power loss.
• Low Power Consumption: It consumes low power during operation, making it suitable for battery-powered devices.
• Adjustable Output Voltage: The output voltage can be adjusted within a wide range, providing flexibility in various applications.
• Enable Control: The enable pin allows for easy on/off control of the device.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile use. - Compact package size saves board space. - Adjustable output voltage provides flexibility.

Disadvantages: - Limited output current compared to some other power management ICs. - Higher cost compared to non-adjustable voltage regulators.

Working Principles

The S-1122B45MC-L9ETFG is a voltage regulator that converts the input voltage to a stable and adjustable output voltage. It utilizes a switching regulator topology, which efficiently steps down the input voltage to the desired level. The feedback mechanism ensures that the output voltage remains constant even with variations in the input voltage or load conditions.

Detailed Application Field Plans

The S-1122B45MC-L9ETFG is commonly used in various electronic devices that require regulated power supply. Some of its application fields include: 1. Mobile Devices: Smartphones, tablets, and portable media players benefit from its high efficiency and low power consumption. 2. Industrial Equipment: It can be used in industrial control systems, automation equipment, and instrumentation. 3. Automotive Electronics: The voltage regulator finds applications in automotive infotainment systems, GPS devices, and lighting controls. 4. Consumer Electronics: It is suitable for use in televisions, audio systems, and gaming consoles.

Detailed and Complete Alternative Models

1. S-1112B45MC-L9ETFG: Similar to S-1122B45MC-L9ETFG but with fixed output voltage of 4.5V.
2. S-1132B45MC-L9ETFG: Higher output current version, capable of delivering up to 3A.
3. S-1142B45MC-L9ETFG: Adjustable output voltage range from 0.8V to 6.0V.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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