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NCP433FCT2G
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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 4WLCSP
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：1V ~ 3.6V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：1.5A
- Rds On (Typ)：35mOhm
- Input Type：Non-Inverting
- Features：Load Discharge, Slew Rate Controlled
- Fault Protection：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：4-WLCSP (0.76x0.76)
- Package / Case：4-UFBGA, WLCSP
- Grade：-
- Qualification：-
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Overview
The NCP433FCT2G is a high-side P-channel MOSFET power distribution switch designed for battery-powered applications. It operates within an input voltage range of 1.0 V to 3.6 V and supports a continuous load current of 1.5 A. The device features a low on-state resistance of 35 mΩ and includes an auto-discharge path to rapidly remove charge from the output when disabled. Packaged in a compact 4-pin WLCSP (0.76 x 0.76 mm) footprint, it ensures minimal board space usage while providing efficient power management.
Feature Summary
- High-side P-channel MOSFET architecture for direct battery connection
- Integrated auto-discharge path for rapid output voltage decay
- Ultra-small 4-pin WLCSP package for space-constrained designs
Applications
- Isolating integrated circuits connected to batteries to save energy
- Power distribution in portable electronic devices
- Battery-operated consumer electronics systems
Procurement Notes
Verify the specific suffix 'FCT2G' against the manufacturer's latest documentation to confirm pinout compatibility and RoHS status. Check for obsolescence notices, as some distributors indicate this part may be scheduled for discontinuation. Ensure the selected variant matches the required 1.5A current rating and 3.6V maximum input voltage for your specific circuit design.
Selection Notes
Select this component for applications requiring a compact solution for isolating loads from a 1.0 V to 3.6 V supply. The 35 mΩ on-resistance minimizes power loss during conduction. Consider the WLCSP package constraints for PCB layout. Verify that the active-high control logic aligns with the system's microcontroller or power management unit outputs.
Part Context
This device belongs to the NCP43x series of ultra-small controlled load switches from onsemi. These components are engineered specifically for portable electronics where board real estate is limited. The series typically offers various current ratings and package options to suit different power distribution needs within mobile and wearable technology platforms.
Replacement Considerations
Check for NCP432 variants if a different current rating is acceptable. Verify availability of alternative WLCSP packages from other manufacturers if this part is discontinued. Ensure substitute parts maintain the same 3.6V max input and P-channel configuration.
