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reference designMP9928 | Demoboard EV9928-L-00C

Monolithic Power Systems MP9928 | Demoboard EV9928-L-00C

60V Current Mode, Synchronous Step-Down Controller Evaluation Board

Overview

TopologyBuck Converter
Input voltage6-60 V
Output 15 V / 7 A
IC revision1.01

Description

The EV9928-L-00C Evaluation Board isdesigned to demonstrate the capabilities ofMP9928. The MP9928 is a high-voltage,synchronous step-down controller that directlysteps down voltages from up to 60V. The MP9928 uses PWM current control architecturewith accurate cycle-by-cycle current limiting andis capable of driving dual N-channel MOSFETs.The operating frequency of the MP9928 can beprogrammed by an external resistor orsynchronized to an external clock for noisesensitive applications. Full protection featuresinclude precision output over-voltage protection(OVP), output over-current protection (OCP),and thermal shutdown.The MP9928 is available in TSSOP20-EP andQFN-20 (3mmx4mm) packages. This board isavailable in QFN-20 (3mmx4mm) package.

Features

  • 6V to 60V Input Voltage for This 5V OutputBoard
  • Dual N-Channel MOSFET Driver
  • Low Dropout Operation: Maximum DutyCycle at 99.5%
  • 180º Out-of-Phase SYNCO Output
  • Programmable Soft Start
  • Output Power Good Indicator
  • Selectable Threshold for Cycle-by-CycleCurrent Limit
  • Programmable Frequency Range: 100kHz-1000kHz
  • External Power Bias Option for Vcc Supply
  • Output Over-Voltage Protection (OVP)
  • Over-Current Protection (OCP)
  • QFN-20 (3mmx4mm) Package on This Board

Typical applications

  • USB Dedicated Charging Port (DCP), Industrial Control Systems
  • PD Power Supply in PoE System, Power Supply for Linear Chargers

More information

Products

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Data­sheet
Simu­lation
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Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
SamplesAvailability & Sample
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7443551470
SPECWE-HCI SMT Flat Wire High Current Inductor, 4.7 µH, 14.9 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance4.7 µH
Performance Rated Current14.9 A
Saturation Current @ 10%6 A
Saturation Current @ 30%15 A
DC Resistance7 mΩ
Self Resonant Frequency30 MHz
MaterialWE-PERM 
Packaging Unit400 
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