Overview
The NCP333FCT2G, produced by onsemi, is a low RDS(on) MOSFET-controlled load switch designed to optimize battery life and enhance portable device autonomy. This device features a wide input voltage range from 1.2 V to 5.5 V and is packaged in an ultra-small WLCSP4 (0.76 x 0.76 mm) format. It includes an auto-discharge path to eliminate residual voltages on the output rail, making it highly efficient for power management in various portable devices.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Operating Power Supply | VIN | 1.2 | - | 5.5 | V |
| Enable Voltage | VEN | 0 | - | 5.5 | V |
| Ambient Temperature Range | TA | -40 | 25 | 85 | °C |
| Maximum DC Current | IOUT | - | - | 1.5 | A |
| Maximum Peak Current | Ipeak | - | - | 2 | A (1 ms) |
| Static Drain-Source On-State Resistance | RDS(on) | 45 | 55 | 74 | mΩ (at VIN = 3.3 V, IOUT = 200 mA, TA = 25°C) |
| Output Discharge Path Resistance | Rdis | 70 | - | 110 | Ω (at VIN = 3.3 V, EN = low) |
| Output Rise Time | TR | - | 95 | - | μs (at VIN = 3.6 V, CLOAD = 1 μF, RLOAD = 25 Ω) |
| Output Fall Time | TF | - | 11 | - | μs (at VIN = 3.6 V, CLOAD = 1 μF, RLOAD = 5 Ω) |
| Enable Time | Ten | - | 100 | - | μs (at VIN = 3.6 V) |
| High-Level Input Voltage | VIH | - | 0.9 | - | V |
| Low-Level Input Voltage | VIL | - | 0.5 | - | V |
| Quiescent Current | Iq | - | 1 | - | μA (at VIN = 4.2 V, EN = low, No load) |
Key Features
- Wide input voltage range: 1.2 V to 5.5 V
- Low RDS(on) PMOS FET: 55 mΩ at 3.3 V
- Maximum DC current: up to 1.5 A
- Output auto-discharge path to eliminate residual voltages
- Active high enable pin (EN)
- Ultra-small WLCSP4 package: 0.76 x 0.76 mm
- Pb-free, halogen-free/BFR-free, and RoHS compliant
- Soft start control to limit voltage ringing
- Integrated NMOS FET for output discharge
Applications
- Mobile Phones
- Tablets
- Digital Cameras
- GPS Devices
- Portable Devices
Q & A
- What is the operating voltage range of the NCP333FCT2G?
The operating voltage range is from 1.2 V to 5.5 V. - What is the maximum DC current the NCP333FCT2G can handle?
The maximum DC current is up to 1.5 A. - What is the purpose of the auto-discharge path in the NCP333FCT2G?
The auto-discharge path is used to eliminate residual voltages on the output rail when the device is disabled. - What type of package does the NCP333FCT2G come in?
The device is packaged in an ultra-small WLCSP4 format, measuring 0.76 x 0.76 mm. - Is the NCP333FCT2G RoHS compliant?
Yes, the device is Pb-free, halogen-free/BFR-free, and RoHS compliant. - What is the typical RDS(on) of the NCP333FCT2G at 3.3 V?
The typical RDS(on) is 55 mΩ at 3.3 V. - How does the soft start control function in the NCP333FCT2G?
The soft start control limits voltage ringing when the device is enabled. - What is the recommended decoupling capacitor value for the input and output pins?
A 0.1 μF ceramic capacitor is recommended for both the input and output pins. - What is the maximum junction temperature for the NCP333FCT2G?
The maximum junction temperature is -40°C to +125°C. - What are some common applications for the NCP333FCT2G?
Common applications include mobile phones, tablets, digital cameras, GPS devices, and other portable devices.
