Overview
The NCP339AFCT2G is a high-side P-channel MOSFET power distribution switch designed by onsemi. This component is optimized for energy efficiency and is particularly suited for portable devices. It operates within a wide input voltage range of 1.2 V to 5.5 V and features a low on-resistance (Rdson) of 19 mΩ at 4.5 V. The device is packaged in a small 1 x 1.5 mm WLCSP6, making it ideal for space-constrained applications. The NCP339AFCT2G includes features such as soft start control, reverse blocking, and an active high enable pin, which enhance its functionality and reliability in various power management scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 1.2 - 5.5 | V |
| On-Resistance (Rdson) at 4.5 V | 19 | mΩ |
| Maximum DC Current | 3 | A |
| Enable Input Voltage | 0 - 5.5 | V |
| Quiescent Current (Vin = 4.2 V, EN = high) | 1.0 - 1.5 | μA |
| Thermal Resistance (Junction to Air) | 100 | °C/W |
| Package Type | WLCSP6 (1 x 1.5 mm) | |
| Maximum Junction Temperature | -40 to +125 | °C |
| Storage Temperature Range | -55 to +150 | °C |
Key Features
- Wide input voltage range from 1.2 V to 5.5 V
- Low on-resistance (Rdson) of 19 mΩ at 4.5 V
- Soft start control to reduce inrush current
- Reverse blocking to eliminate leakage currents
- Active high enable pin for easy control
- Low quiescent current to optimize battery life
- Auto-discharge path option (depending on the variant)
- Pb-free and RoHS compliant
Applications
- Mobile Phones
- Tablets
- Digital Cameras
- GPS Devices
- Portable Devices
- Computers
Q & A
- What is the operating voltage range of the NCP339AFCT2G?
The operating voltage range is from 1.2 V to 5.5 V. - What is the maximum DC current the NCP339AFCT2G can handle?
The maximum DC current is up to 3 A. - What is the typical on-resistance (Rdson) at 4.5 V?
The typical on-resistance (Rdson) at 4.5 V is 19 mΩ. - Does the NCP339AFCT2G have an auto-discharge feature?
Yes, some variants of the NCP339AFCT2G include an auto-discharge path option. - What is the package type of the NCP339AFCT2G?
The package type is WLCSP6 (1 x 1.5 mm). - What is the maximum junction temperature for the NCP339AFCT2G?
The maximum junction temperature is +125 °C. - Is the NCP339AFCT2G Pb-free and RoHS compliant?
Yes, the NCP339AFCT2G is Pb-free and RoHS compliant. - What is the purpose of the soft start control in the NCP339AFCT2G?
The soft start control reduces inrush current during startup. - How does the reverse blocking feature work in the NCP339AFCT2G?
The reverse blocking feature prevents reverse current flow if the output voltage exceeds the input voltage. - What is the recommended decoupling capacitor configuration for the NCP339AFCT2G?
A 1 μF or greater ceramic capacitor should be connected from IN to GND, and a 100 nF ceramic capacitor from OUT to GND.
