Description:Advanced Controller with Charge Pump; Integrated N-Channel MOSFET; Soft-Start via Slew Rate Control (NCP45521-Adjustable, NCP45520-Fixed); Ultra-Low On-Resistance; Input Voltage Range 0.5 V to 13.5 V (18V Tolerant); Low Standby Current; Quick Output Discharge Function (Adjustable); No External Components Required; Enable Pins with CMOS Input Levels; Power Good Signaling (NCP45520); Fault Protection: Over Temperature; Fault Protection: Under Voltage Lockout; Fault Protection: Short-Circuit Protection; Pb-Fre
A good thermal design should include a solid ground plane, thermal vias under the IC, and a heat sink if possible. The datasheet provides some guidelines, but a more detailed application note is available from onsemi.
The NCP45521IMNTWG-L requires a stable input voltage and a proper biasing network. A recommended biasing circuit is shown in the datasheet, and onsemi's application note provides more details on how to optimize the biasing for specific applications.
The NCP45521IMNTWG-L has a maximum output current of 2A and a maximum output voltage of 20V. However, the actual output current and voltage will depend on the specific application and the device's thermal performance. Consult the datasheet and onsemi's application notes for more information.
The NCP45521IMNTWG-L has built-in overvoltage protection (OVP) and overcurrent protection (OCP). However, additional external protection circuits may be necessary depending on the specific application. Consult the datasheet and onsemi's application notes for more information.
The NCP45521IMNTWG-L has a high power density, so thermal management is critical. A good thermal design should include a heat sink, thermal interface material, and a solid ground plane. Consult the datasheet and onsemi's application notes for more information.
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NCP45521IMNTWG-L Overview
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