Overview
The NCP451FCT2G, produced by onsemi, is a highly efficient and feature-rich controlled load switch. This device is designed with a very low on-resistance (Rds(on)) MOSFET, controlled by an external logic pin, which enables optimization of battery life and enhances portable device autonomy. The NCP451FCT2G operates within a wide voltage range of 0.7V to 5.5V, making it versatile for various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 0.7V to 5.5V |
| On-Resistance (Rds(on)) at 3.6V | 12 mΩ |
| Maximum DC Current | Up to 3 A |
| Output Auto-Discharge | Yes |
| Over-Current Protection | Yes |
| Over-Voltage Protection | Yes |
| Short Circuit Protection | Yes |
| Excessive Inrush Current Protection | Yes |
| Current Sense Disable | Yes |
| Output Short to V Detection | Yes |
| Off-State Open Load Detection | Yes |
Key Features
- Very low on-resistance (Rds(on)) MOSFET for minimal power loss.
- Controlled by an external logic pin for flexible operation.
- Wide operating voltage range from 0.7V to 5.5V.
- Output auto-discharge path for safe shutdown.
- Protection against over-current, over-voltage, short circuit, and excessive inrush current.
- Current sense disable and output short to V detection.
- Off-state open load detection for enhanced reliability.
Applications
- Load management in smart phones, tablets, and ultrabooks.
- Server, computing, and telecom hardware for hot-swapping memory, drives, or other peripherals.
- Portable devices requiring optimized battery life and autonomy.
Q & A
- What is the operating voltage range of the NCP451FCT2G?
The operating voltage range is from 0.7V to 5.5V. - What is the typical on-resistance (Rds(on)) of the NCP451FCT2G at 3.6V?
The typical on-resistance is 12 mΩ. - What is the maximum DC current the NCP451FCT2G can handle?
The maximum DC current is up to 3 A. - Does the NCP451FCT2G have an output auto-discharge feature?
Yes, it does. - What types of protection does the NCP451FCT2G offer?
The device offers protection against over-current, over-voltage, short circuit, and excessive inrush current. - Can the NCP451FCT2G detect output short to V and off-state open load?
Yes, it can. - Is the NCP451FCT2G suitable for hot-swapping applications?
Yes, it is suitable for hot-swapping memory, drives, or other peripherals in server, computing, and telecom hardware. - What is the primary benefit of the low on-resistance MOSFET in the NCP451FCT2G?
The primary benefit is the minimization of power loss, which helps in optimizing battery life and device autonomy. - Can the current sense be disabled in the NCP451FCT2G?
Yes, the current sense can be disabled. - What types of devices can benefit from using the NCP451FCT2G?
Portable devices such as smart phones, tablets, and ultrabooks can benefit from using the NCP451FCT2G.
