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STMICROELECTRONICS STEVAL-ISA178V1

Evaluation Board, Buck Converter, 5V / 200mA High Voltage Buck Converter Based on VIPer01

STMICROELECTRONICS STEVAL-ISA178V1
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Manufacturer Part No:
STEVAL-ISA178V1
Order Code:
2627827
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Technical Datasheet:
STEVAL-ISA178V1   Datasheet
ECAD / MCAD
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Product Overview

The STEVAL-ISA178V1 is a 1W, VIPer01 evaluation board in buck topology. It uses the VIPER013XS (drain current limitation IDLIM = 360mA and switching frequency FOSC = 30KHz, nominal values). The power supply is set in buck topology VOUT = 5V, IOUT = 0.2A. The input voltage range is 85VAC to 265VAC and the VIPer01 switching frequency is 60KHz. The FB pin of VIPer01 is inverting input of an error amplifier and is an accurate 1.2V voltage reference with respect to the GND pin. The IC is biased through a diode connected to VOUT. The VIPer01 is also equipped with a frequency reduction feature to limit excessive currents at start-up, as well as overload/short-circuit and overtemperature management.
  • 800V, avalanche rugged primary MOSFET
  • Input power consumption in no load condition lower than 15mW at 230VAC
  • Input power consumption in ZEROPOWER mode lower than 8mW at 230VAC
  • On-board trans-conductance E/A with 1.2V ±2% floating reference voltage
  • Embedded HV start-up, built-in soft-start
  • Current mode PWM controller
  • Frequency jittering to reduce the EMI filter cost
  • Pulse skip mode to avoid flux-runaway during start-up
  • Delayed overload, duty cycle protection (max) & thermal shutdown

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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VIPer01

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:
Buck Converter

:
Eval Board VIPer01

:
Multicomp Pro RJ45 Adapter

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Technical Documents (1)

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Standard lead time for this product is 27 weeks.

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