NCP1217D133R2G

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Overvoltage protection - Thermal shutdown protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The NCP1217D133R2G is a highly efficient integrated circuit used for power management applications. It offers various features such as low standby power consumption, wide input voltage range, and overvoltage protection.

Packaging/Quantity: The NCP1217D133R2G is available in a DFN-8 package. The quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage: 3.3V
• Output Current: Up to 1A
• Efficiency: Up to 95%
• Standby Power Consumption: Less than 10mW
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The NCP1217D133R2G has the following pin configuration:

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| | --| VCC GND |-- Pin 1: Ground (GND) --| EN FB |-- Pin 2: Feedback (FB) --| COMP VIN |-- Pin 3: Input Voltage (VIN) --| SS SW |-- Pin 4: Switching Node (SW) |___________| ```

Functional Features

1. High Efficiency: The NCP1217D133R2G offers high efficiency, ensuring minimal power loss during operation.
2. Low Standby Power Consumption: With standby power consumption of less than 10mW, it helps conserve energy in standby mode.
3. Wide Input Voltage Range: The IC can handle input voltages ranging from 4.5V to 25V, making it suitable for a wide range of applications.
4. Overvoltage Protection: It provides protection against overvoltage conditions, safeguarding the connected devices.
5. Thermal Shutdown Protection: The NCP1217D133R2G includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for versatile applications - Overvoltage protection ensures device safety - Thermal shutdown protection prevents overheating

Disadvantages: - Limited output current capacity (up to 1A) - Restricted operating temperature range (-40°C to +85°C)

Working Principles

The NCP1217D133R2G is a pulse width modulation (PWM) controller IC used in power management circuits. It operates by regulating the duty cycle of the switching transistor to control the output voltage. By adjusting the duty cycle, the IC maintains a stable output voltage even with varying input voltages.

Detailed Application Field Plans

The NCP1217D133R2G is commonly used in various power management applications, including but not limited to: - Power supplies for consumer electronics - Battery chargers - LED lighting systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

1. LM2576-3.3: A step-down voltage regulator with similar specifications and features.
2. TPS54332: A synchronous buck converter offering high efficiency and a wide input voltage range.
3. LT1370: A high-efficiency step-down switching regulator with adjustable output voltage.

These alternative models provide similar functionality and can be considered as substitutes for the NCP1217D133R2G in specific applications.

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