MP4323
Description
The MP4323 is a frequency-configurable (350kHz to 2.5MHz), synchronous, step-down switching converter with integrated internal highside and low-side power MOSFETs (HS-FET and LS-FET, respectively). It can achieve up to 3A of highly efficient output current (IOUT) with peak current control mode.
Key Features
- Designed for Automotive Applications: o 42V Load Dump Tolerance o Supports 3.1V Cold Crank o 3A Continuous Output Current (IOUT) o Wide 3V to 36V Operating Input Voltage (VIN) Range o -40°C to +125°C Junction Temperature (TJ) Range
- Increases Battery Life: o 1μA Shutdown Current (ISD) o 20μA Sleep Mode Current o Advanced Asynchronous Modulation (AAM) Mode for Increased Efficiency under Light-Load Conditions
- High Performance for Improved Thermals: o Integrated 70mΩ HS-FET and 50mΩ LS-FET o 65ns Minimum On Time (tON_MIN) and 50ns Minimum Off Time (tOFF_MIN)
- Optimized for EMC/EMI Reduction: o Frequency Spread Spectrum (FSS) Modulation o Symmetric VIN Pins (Pin 2 and Pin 10) o CISPR25 Class 5 Compliant o 350kHz to 2.5MHz Configurable Switching Frequency (fSW) o MeshConnect™ Flip-Chip Package
- Additional Features: o Power Good (PG) Output o Low-Dropout (LDO) Mode o Over-Current Protection (OCP) with Hiccup Mode o Available in a QFN-12 (2mmx3mm) Package o Available in a Wettable Flank Package
