Design Files
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Logic-Controlled High-Side Power Switch
The NX3P2902B is a high-side load switch which features a low ON resistance P-channel MOSFET. The MOSFET supports more than 500 mA of continuous current and an integrated output discharge resistor to discharge the output capacitance when disabled. Designed for operation from 1.1 V to 3.6 V, it is used in power domain isolation applications to reduce power dissipation and extend battery life. The enable logic includes integrated logic level translation making the device compatible with lower voltage processors and controllers. The NX3P2902B is ideal for portable, battery operated applications due to low ground current and OFF-state current.
Product Details
Features
- Wide supply voltage range from 1.1 V to 3.6 V
- Very low ON resistance:
- 95 mΩ at a supply voltage of 1.8 V
- High noise immunity
- Low OFF-state leakage current (600 nA maximum)
- 1.2 V control logic at a supply voltage of 3.6 V
- High current handling capability (500 mA continuous current)
- Internal output discharge resistor
- Turn-on slew rate limiting
- ESD protection:
- HBM JESD22-A114F Class 3A exceeds 4000 V
- CDM AEC-Q100-011 revision B exceeds 500 V
- Specified from -40 °C to +85 °C
- Cell phone
- Digital cameras and audio devices
- Portable and battery-powered equipment
Part numbers include: NX3P2902BUK.
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Documentation
Quick reference to our documentation types.
5 documents
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Data Sheet
Logic controlled high-side power switch
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Application Note
Pin FMEA for NX3P switches
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Brochure
NXP Load Switches and OVP IC’s
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White Paper
NXP Load Switch Basics White Paper
Design Resources
Engineering Services
To get further assistance directly from NXP, please see our Engineering Services.
1 engineering service
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Independent Design House (IDH)
Embedded Software Design
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