NCP5351
Dual MOSFET drivers for power management and control applications
Manufacturer： ['rochester', 'onsemi']
series introduction
# NCP5351 Product Series Introduction
## 1. Overview
The NCP5351 product series is a cutting - edge offering in the field of power management integrated circuits (PMICs). Designed and developed by a leading semiconductor manufacturer, these devices are engineered to meet the diverse and demanding power requirements of modern electronic systems. Whether it's in consumer electronics, industrial applications, or automotive systems, the NCP5351 series provides reliable and efficient power solutions.
## 2. Key Features
### 2.1 High - Efficiency Power Conversion
- The NCP5351 series incorporates advanced power conversion topologies, such as synchronous buck converters. This technology significantly reduces power losses during the conversion process, resulting in high efficiency levels. For example, in typical operating conditions, it can achieve efficiency ratings of up to 95%. This high efficiency not only helps in reducing power consumption but also minimizes heat generation, which is crucial for the long - term reliability of the system.
- The devices are capable of handling a wide input voltage range. They can accept input voltages from as low as 2.7V up to 5.5V, making them suitable for a variety of power sources, including single - cell lithium - ion batteries and regulated power supplies.
### 2.2 Adjustable Output Voltage
- One of the standout features of the NCP5351 series is the ability to adjust the output voltage. The output voltage can be set within a specified range, typically from 0.6V to 3.3V, using external resistors. This flexibility allows designers to tailor the power supply to the specific requirements of the load, whether it's a low - voltage microcontroller, a high - speed memory module, or other sensitive electronic components.
### 2.3 Low Quiescent Current
- In battery - powered applications, minimizing power consumption during standby or idle modes is essential. The NCP5351 series has a very low quiescent current, typically in the range of a few microamperes. This ensures that the device consumes minimal power when the load is not actively drawing current, thereby extending the battery life of the system.
### 2.4 Over - Current and Over - Temperature Protection
- To safeguard the system and the device itself, the NCP5351 series is equipped with comprehensive protection features. Over - current protection (OCP) limits the output current to a safe level in case of a short - circuit or an overload condition. When the output current exceeds the predefined threshold, the device automatically reduces the current to prevent damage.
- Over - temperature protection (OTP) monitors the internal temperature of the device. If the temperature rises above a certain limit, the device shuts down or reduces its power output to prevent overheating, ensuring reliable operation even in harsh environmental conditions.
### 2.5 Fast Transient Response
- Modern electronic systems often experience rapid changes in load current. The NCP5351 series is designed to provide a fast transient response to these load changes. It can quickly adjust the output voltage to maintain a stable supply, even when the load current suddenly increases or decreases. This is crucial for applications such as processors and graphics cards, which require a stable power supply to operate at peak performance.
## 3. Package and Pin Configuration
- The NCP5351 series is available in a compact and industry - standard package, such as a QFN (Quad Flat No - lead) package. The QFN package offers several advantages, including a small footprint, good thermal performance, and ease of PCB (Printed Circuit Board) assembly.
- The pin configuration of the device is carefully designed to simplify the circuit layout. The pins are clearly labeled for input voltage, output voltage, ground, and control signals, making it easy for designers to connect
Images for reference
8-SOIC
10-DFN PKG
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