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reference designEVQ4323M | Demoboard EVQ4323M-G-00A

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

TopologyBuck Converter
Input voltage3.3-36 V
Output 15 V / 3 A
IC revision1.0

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

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
C
Tol. C
VR(V (DC))
Size
Operating Temperature
Q
RISO
Ceramic Type
L(mm)
W(mm)
H(mm)
Fl(mm)
Packaging
Z @ 100 MHz(Ω)
Zmax(Ω)
Test Condition Zmax
IR 2(mA)
RDC max.(Ω)
Type
SamplesAvailability & Sample
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885012006051
SPECWCAP-CSGP MLCCs 50 V(DC), 10 pF, ±5%
Simu­lation
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Downloads9 files

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CAD files ZIP

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWCAP-CSGP MLCCs 50 V(DC)
Capacitance10 pF
Capacitance±5% 
Rated Voltage50 V (DC)
Size0603 
Operating Temperature -55 °C up to +125 °C
Q-Factor600 
Insulation Resistance10 GΩ
Ceramic TypeNP0 Class I 
Length1.6 mm
Width0.8 mm
Height0.8 mm
Pad Dimension0.4 mm
Packaging7" Tape & Reel 
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742792063
SPECWE-CBF SMT EMI Suppression Ferrite Bead, –, –
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-CBF SMT EMI Suppression Ferrite Bead
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Size0805 
Operating Temperature -55 °C up to +125 °C
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Length2 mm
Width1.2 mm
Height0.9 mm
Pad Dimension0.5 mm
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Impedance @ 100 MHz60 Ω
Maximum Impedance90 Ω
Maximum Impedance500 MHz 
Rated Current 23000 mA
DC Resistance0.025 Ω
TypeHigh Current 
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