Overview
The NCP380LSN05AAT1G is a high-side power-distribution switch produced by onsemi. This device is designed to protect the input supply voltage from heavy capacitive loads, short circuits, and overcurrent conditions. It features an integrated P-channel MOSFET and is available in a TSOP-5 package. The NCP380LSN05AAT1G is part of the NCP380 series, which offers both fixed and adjustable current-limiting capabilities, making it versatile for various applications.
Key Specifications
| Configuration | Low Side |
|---|---|
| Input Voltage | 2.5V to 5.5V |
| No of Elements | Single |
| On-state Resistance-Max | 110mΩ |
| Rated Current-Max | 500mA |
| Type | Power Distribution Switch |
| Package Style | SC-74A (TSOP-5, SOT-25) |
| Mounting Method | Surface Mount |
| Junction Temperature Range | −40°C to 125°C |
| Enable Input | Active High or Low (EN or EN) |
| ESD Withstand Voltage | 8.0 kV (Contact), 15 kV (Air) |
Key Features
- Operating Range: 2.5 V – 5.5 V
- 70 mΩ High-side MOSFET
- Current Limit: User adjustable from 100 mA to 2.1 A or fixed at 500 mA, 1 A, 1.5 A, 2 A, and 2.1 A
- Under Voltage Lock-out (UVLO)
- Built-in Soft-start
- Thermal Protection
- Soft Turn-off
- Reverse Voltage Protection
- Compliance to IEC61000-4-2 (Level 4)
- UL Listed − File No. E343275 (NCP Versions Only)
- AEC-Q100 Qualified and PPAP Capable
- Pb-Free Devices
Applications
- Laptops
- USB Ports/Hubs
- TVs
Q & A
- What is the primary function of the NCP380LSN05AAT1G?
The NCP380LSN05AAT1G is a high-side power-distribution switch designed to protect the input supply voltage from heavy capacitive loads, short circuits, and overcurrent conditions.
- What is the operating voltage range of the NCP380LSN05AAT1G?
The operating voltage range is 2.5 V to 5.5 V.
- What is the maximum rated current of the NCP380LSN05AAT1G?
The maximum rated current is 500 mA.
- What types of protection does the NCP380LSN05AAT1G offer?
The device offers under voltage lock-out (UVLO), thermal protection, soft turn-off, and reverse voltage protection.
- How is the current limit set for the NCP380LSN05AAT1G?
The current limit can be set either by an external resistor for adjustable versions or is internally fixed at specific values (e.g., 500 mA, 1 A, 1.5 A, 2 A, and 2.1 A).
- What is the purpose of the FLAG pin on the NCP380LSN05AAT1G?
The FLAG pin is an open-drain output that asserts low during overcurrent, reverse-voltage, or overtemperature conditions.
- Is the NCP380LSN05AAT1G compliant with any specific standards?
Yes, it is compliant with IEC61000-4-2 (Level 4) and is UL Listed − File No. E343275 (for NCP versions only).
- What are the typical applications for the NCP380LSN05AAT1G?
Typical applications include laptops, USB ports/hubs, and TVs.
- Is the NCP380LSN05AAT1G AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified and PPAP capable.
- Is the NCP380LSN05AAT1G a Pb-Free device?
Yes, the device is Pb-Free.
