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Monolithic Power Systems EVQ4323 | Demoboard EVQ4323-D-00A
36V, 3A, Low Quiescent Current, Synchronous Step-Down Converter 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 EVQ4323-D-00A is an evaluation board for the MPQ4323, a configurable-frequency (350kHz to 2.5MHz), synchronous, step-down switching regulator with integrated internal high side MOSFETs (HS-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
- Operating Junction Temperature: -40°C to +150°C (Absolute Maximum)
- Increases Battery Life:
- 1μA Shutdown Supply Current
- High Performance for Improved Thermals:
- Integrated 70mΩ High-Side MOSFET (HS-FET) and 50mΩ Low-Side MOSFET (LS-FET)
- 65ns Minimum On Time
- 50ns Minimum Off Time
- Optimized for EMC/EMI Reduction:
- Frequency Spread Spectrum (FSS) Modulation
- Symmetric VIN Pinout
- CISPR25 Class 5 Compliant
- 350kHz to 2.5MHz Configurable Switching Frequency (fSW)
- MeshConnectTM Flip-Chip Package
- Additional Features:
- Power Good (PG) Output
- Forced Continuous Conduction Mode (FCCM)
- Low-Dropout Mode
- Over-Current Protection (OCP) with Hiccup Mode
- Available in QFN-12 (2mmx3mm) or QFN-14 (2.5mmx3.5mm) Packages
- Available in a Wettable Flank Package
- Available in AEC-Q100 Grade 1
Typical applications
- Automotive Applications