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Monolithic Power Systems EVQ4323M | Demoboard EVQ4323M-G-00A
36V, 3A, Low-IQ, Synchronous Step-Down Converter in a QFN-12L Package Evaluation Board, AEC-Q100 Qualified
Overview
| Topology | Buck Converter |
| Input voltage | 3.3-36 V |
| Output 1 | 5 V / 3 A |
| IC revision | 1.0 |
Description
The EVQ4323M-G-00A evaluation board is designed to demonstrate the capabilities of the MPQ4323M, a configurable-frequency (350kHz to 2.5MHz), synchronous, step-down switching regulator with integrated, internal high-side MOSFETs (HS-FETs) and low-side MOSFETs (LS-FETs).
Features
- Designed for Automotive Applications:
- 42V Load Dump Tolerance
- Supports 3.1V Cold Crank
- Up to 3A Continuous Output Current (IOUT)
- Continuous Operation Up to 36V
- Junction Temperature Operation from -40°C to +150°C (Absolute Maximum)
- Increases Battery Life:
- 1μA Shutdown Supply Current
- 20μA Sleep Mode Quiescent Current
- Advanced Asynchronous Modulation (AAM) Mode for Increased Efficiency under Light-Load Conditions
- High Performance for Improved Thermals:
- Integrated 70mΩ High-Side MOSFET (HS-FET) and 50mΩ Low-Side MOSFET (LS-FET)
- 65ns Minimum On Time (tON_MIN) and 50ns Minimum Off Time (tOFF_MIN)
- Optimized for EMC and EMI:
- Frequency Spread Spectrum (FSS) Modulation
- Symmetric VIN Pinout
- Integrated Input Capacitors
- CISPR25 Class 5 Compliant
- 350kHz to 2.5MHz Configurable Switching Frequency (fSW)
- MeshConnectTM Flip-Chip Package
- Additional Features:
- Power Good (PG) Output
- Low-Dropout (LDO) Mode
- Over-Current Protection (OCP) with Hiccup Mode
- Available in a QFN-12L (3.5mmx3.5mm) Package with Wettable Flanks
- Available in AEC-Q100 Grade 1
Typical applications
- automotive applications