D42V55F3 Step-Down voltage converter 3.3V, 6A
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
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.
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.
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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