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ID: 1199020
5902186322943
zł120.68
Tax included

zł98.11 tax excl.

A synchronous step-down converter that reduces input voltage from 3.5 to 60 V to a stable 3.3 V with up to 95% efficiency and up to 6 A output current. It offers low standby current (<0.2 mA), soft-start functionality, overcurrent, thermal, and reverse polarity protection. Compact and easy to integrate, it is ideal for microprocessor systems, IoT, and automation. Pololu 5570

4 weeks
Awaiting delivery
Kamami is the official distributor of electronic modules and Pololu robotic parts. All products of this brand in our offer are original and come directly from the manufacturer.

Description

The D42V55F3 voltage regulator is a high-performance synchronous buck (step-down) converter designed to step down input voltages of up to 60 V to a stable 3.3 V. It features low no-load current consumption (<0.2 mA), making it energy-efficient even in standby mode. Its compact size allows installation in space-constrained environments. The D42V55F3 is an ideal solution for microprocessor systems, IoT devices, automation, and hobby projects where stable 3.3 V power with high efficiency and safe operation is required.

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Thanks to switching technology (SMPS, DC-DC), the converter offers significantly higher efficiency (up to 95%) compared to traditional linear regulators, minimizing energy loss and heat generation. This model can deliver a continuous output current of up to 8 A at low input voltages, providing stable power even for demanding circuits. The unit includes reverse voltage protection, overcurrent protection, and thermal shutdown, ensuring high reliability in harsh operating conditions. The soft-start function limits inrush current and smoothly ramps up the voltage at startup, protecting connected devices.

The D42V55F3 converter features a set of pins for flexible integration into a power system. VOUT provides the regulated 3.3 V output, while GND serves as the common ground reference. VIN is used to supply the input voltage in the range of 3.5 V – 60 V, with the minimum operating voltage depending on the output voltage and dropout. The VRP pin outputs the input voltage after reverse voltage protection — it can serve as an output for powering other devices or as an alternative input bypassing this protection. Additionally, there is a PG (Power Good) pin — an open-drain output indicating proper output voltage — and an EN pin, which allows enabling or disabling the converter, including in low-power mode.

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Features

  • Input voltage: 3.5 V to 60 V
  • Output voltage: 3.3 V ±3%
  • Maximum continuous output current: up to 8 A (depending on input voltage)
  • Efficiency: up to 95% (typically 70%–95%)
  • Switching frequency: ~400 kHz
  • No-load current consumption: < 0.2 mA
  • Low-power mode (ENABLE): < 0.1 mA
  • ENABLE input for remote on/off control
  • Power-Good output for voltage monitoring
  • Soft-start function to limit inrush current
  • Reverse voltage protection
  • Overcurrent and thermal protection
  • Dimensions: 25.4 x 25.4 x 9 mm
  • Three mounting holes 0.086″ (for #2 or M2 screws)
1199020

Data sheet

Output voltage
3,3 V
Output current
8 A
Converter type
Step-down
Supply voltage min
3,5 V
Supply voltages max
60 V

Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20

Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20

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