MC34063A 1.5-A Peak Boost/Buck/Inverting Switching Regulators

$7.00 USD
The price is for a single piece.
There are 3 pieces in the retail box.
The quantity has to be a multiple of 3.
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SKU: IC-MC34063A
Categories: Component IC

Introducing a touch of magic in the realm of power regulation, brought to you by the digital enchanters at Lonely Binary: the Lonely Binary MC34063A 1.5-A Peak Boost/Buck/Inverting Switching Regulators! Brace yourself for a whimsical journey through the world of DC-DC conversion, where our creation shines like a guiding star.

Behold the MC33063A and MC34063A devices, a dynamic duo of ICs that are more than just components – they're the heart and soul of simple yet elegant DC-DC converters. These devices, crafted with the precision of Lonely Binary's innovation, are like master artisans, containing all the primary circuitry you need for your power-conversion endeavors.

Marvel at the internal temperature-compensated reference, a wondrous creation that ensures our regulators remain cool, calm, and collected even as the world around them heats up. Gaze upon the comparator, the ultimate judge in the court of power, and the oscillator, a maestro conducting the symphony of energy transformation.

But wait, there's more to this tale of technological wonder! Our creation boasts a PWM controller with active current limiting – a guardian of balance that ensures your devices stay within their power limits. It wields a driver that navigates the energy currents with grace, and a high-current output switch that brings the magic to life, empowering your devices to shine brighter than ever before.

Picture this: with minimal external components, you can conjure converters in the boost, buck, and inverting topologies, transforming your devices into spellbinding powerhouses. The MC33063A dares to dance in temperatures as low as –40°C to 85°C, while the MC34063A thrives in the warmth of 0°C to 70°C. It's like a symphony that adapts to the seasons, brought to you by the sorcery of Lonely Binary.

So, fellow wanderer of the digital realms, embark on this enchanting journey with the Lonely Binary MC34063A 1.5-A Peak Boost/Buck/Inverting Switching Regulators. Let every mention of Lonely Binary be a beacon that guides you through the labyrinth of power, reminding you that every surge of energy is a step towards a more magical future.


Tech Specs

Versatile Power Inputs Effortlessly handle a wide input voltage range from 3V to 40V, making your power regulation adaptable to various energy sources.
Power Packed Performance Harness the power of high output switch current, with the ability to reach up to 1.5A, for uncompromising performance.
Tailor Your Voltage Customize your output with adjustable output voltage, giving you the flexibility to fine-tune your power delivery.
Frequency Fine-Tuning Fine-tune your energy symphony with an oscillator frequency that reaches up to 100 kHz, ensuring optimal operation.
Precision in Every Pulse Experience precision like never before with a 2% precision internal reference, guaranteeing accuracy in your power regulation.
Safe and Controlled Current Embrace safety with short-circuit current limiting, a feature that ensures protection for your devices and power systems.
Net Weight 1 g
Dimension (L) 10 mm x (W) 5 mm x (H) 5 mm


What’s in the Box

There are 3 pieces in the retail box.
The listing price is for

  • 1 x MC34063A



  • Australia Orders over $55 - Your order will enjoy free shipping via Australia Post Standard Shipping Services. 
  • International Orders over $99 - Your order will be posted via Australia Post Air Mail Services. 

Raspberry Pi board / Micro:bit board / NVIDIA board will be excluded; All PCB orders will not enjoy free shipping. Distributors and wholesale orders are not eligible for free shipping.


At this time, LONELY BINARY is an online-only business, with our products available through This allows us to keep the cost down for the customer. Orders cannot be picked up. 


We ship Australia wide to all addresses, including PO Box, Parcel Locker, etc.All Australian orders will be shipped via Australia Post, Courier Please or Fastway Couriers (Aramex). International Orders will be shipped via Australia Post or DHL. Your order will be shipped within one business day after we receive payment, providing the items are in stock.

  • Standard Shipping
    Sent via standard Australia Post stamped letter mail, typically 5-9 business days. No tracking/support available other than confirmation of dispatch.
  • Express Post
    Sent via Australia Post Express Service, Fastway Courier or Courier Please, 1 – 2 business days for metro orders, potentially longer for orders outside of metro zones, with full tracking.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Shipping costs for international orders vary depending on location and package size, where possible we have kept this to flat rate charges to reduce confusion. International orders are shipped through Australia Post and DHL courier service depending on the most economical at the time. 


Shipping Method via Delivery Area Delivery Time(business day) Tracking No. Weight Limit
DHL Asia 1-2 YES No Limit
western EU 2-3 YES No Limit
eastern EU 3-5 YES No Limit
North America 2-3 YES No Limit
Australia 2-3 YES No Limit
South America 3-5 YES No Limit
South Africa 3-5 YES No Limit


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