NCP5355DR2G

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range

Package: SOIC-8

Essence: The NCP5355DR2G is a power management IC designed for various applications that require efficient power conversion and regulation.

Packaging/Quantity: The NCP5355DR2G is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to 5.5V
• Maximum Output Current: 3A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The NCP5355DR2G has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| SW FB |-- Pin 2: Feedback --| EN VOUT|-- Pin 3: Output Voltage --| PGND NC |-- Pin 4: Not Connected |___________| ```

Functional Features

• Wide Input Voltage Range: The NCP5355DR2G can accept input voltages ranging from 4.5V to 28V, making it suitable for a wide range of applications.
• High Efficiency: With its high switching frequency and low power consumption, the NCP5355DR2G achieves high efficiency in power conversion.
• Integrated Protection: The IC incorporates various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure safe operation.
• Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.6V to 5.5V, providing flexibility for different application requirements.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Compact form factor allows for space-saving designs. - Wide input voltage range enables versatile applications. - Integrated protection features enhance reliability.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Lack of adjustable switching frequency may limit customization options.

Working Principles

The NCP5355DR2G is a step-down (buck) converter that uses pulse-width modulation (PWM) to regulate the output voltage. It operates by rapidly switching an internal power transistor on and off to control the energy transfer from the input to the output. The feedback pin monitors the output voltage and adjusts the duty cycle of the switching signal to maintain a stable output voltage.

Detailed Application Field Plans

The NCP5355DR2G is commonly used in various applications, including but not limited to: 1. Portable electronic devices 2. Battery-powered systems 3. Industrial automation 4. Automotive electronics 5. Telecommunications equipment

Detailed and Complete Alternative Models

1. LM2596S-ADJ: Adjustable Step-Down Voltage Regulator
2. TPS54331RTER: Synchronous Step-Down Converter
3. LT1763CS8-3.3: Low Dropout Linear Regulator
4. MP2307DN-LF-Z: Step-Down Converter with Integrated Switch
5. MAX5033DASA+: High-Efficiency Step-Down Converter

These alternative models offer similar functionality and can be considered as substitutes for the NCP5355DR2G depending on specific application requirements.

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