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Monolithic Power Systems MP9928 | Demoboard EV9928-L-00C
60V Current Mode, Synchronous Step-Down Controller Evaluation Board
Overview
| Topology | Buck Converter |
| Input voltage | 6-60 V |
| Output 1 | 5 V / 7 A |
| IC revision | 1.01 |
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