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STEVAL-ISA198V1

Switching Regulator, 500 kHz Switching Frequency, Step Down DC - DC, 2A, 4.5V - 60V Vin, 5V Vout

STMICROELECTRONICS STEVAL-ISA198V1
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Manufacturer Part No:
STEVAL-ISA198V1
Order Code:
2707744
Technical Datasheet:
STEVAL-ISA198V1   Datasheet
See all Technical Docs

Product Overview

The STEVAL-ISA198V1 from STMicroelectronics is an evaluation board which is a step-down switching power supply based on the L7987L regulator in an HTSSOP16 package. The output voltage can be set starting from 0.8V. Low drop-out operation, due to the advanced integrated switch management can be achieved. The L7987L is a 61V, 2A step-down asynchronous switching regulator with embedded power MOSFET capable of delivering up to 2A of current, depending on the application conditions. The embedded switch over feature on the VBIAS pin and the light load management (pulse skipping) help maximize power conversion efficiency across the entire load range. The soft-start, current limit threshold and switching frequency are adjustable for application optimization. It includes an internal 250KHz oscillator that can be externally adjusted up to 1.5MHz, Two L7987L regulators can be synchronized in a 180° out-of-phase configuration for reduced total input RMS current.
  • 4.5V to 60V input voltage
  • Step-down (buck) conversion
  • 5V output voltage (VIN > 6V)
  • Up to 2A DC output current
  • 500KHz switching frequency, 5ms programmed soft-start
  • Compliant with ceramic output capacitors
  • 180° out of phase synchronization available
  • Auto recovery overcurrent and thermal protection

Applications

Power Management

Footnotes

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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STMicroelectronics

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L7987L

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Power Management - Voltage Regulator

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Step Down Regulator

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Eval Board L7987L

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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Available for back order

More stock available to supplier lead times which is approximately 23/1/23

Due to market conditions delivery times are for general guidance only and may be subject to change at short notice

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