SparkFun Buck Regulator Breakout - 5V (AP63357)
Available with a lead time
Expect dispatch between Feb 10 and Feb 13
Quantity Discounts:
- 10-25 $10.15 (exc GST)
- 25+ $9.93 (exc GST)
The SparkFun 5V Buck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage range of 3.8V to 32V. The fully integrated 74mO high-side power MOSFET/40mO low-side power MOSFET provides a high-efficiency step-down DC/DC conversion.
This full-size, 1in. x 1in. version of our buck regulator boards is configured to provide a regulated 5V output and features a high-voltage EN (enable) control pin that is rated up to 32V. On the back of the board, a small copper pad is available to dissipate excess heat with a heat sink.
As a full-size buck regulator breakout, additional options for connecting input and output power. There is a pre-assembled screw terminal for a non-permanent connection, the option to solder on a barrel jack for an external power supply, and five PTH pins to create a more permanent installation. Our full-size buck regulators also come with a red, power indication LED that light up when the power output is enabled and two mounting holes compatible with 4-40 hardware.
Check out our BabyBuck regulators and the SparkFun BabyBuck Regulator Breakout - 5V (AP63357), for the smaller minimalistic versions of our buck regulators.
Note: While the AP63357 is rated up to a 3.5A output, users should expect a 3A maximum with our boards due to thermal constraints. The boards can output 3.5A but would require a sufficient amount of active cooling.
Get Started with the SparkFun AP63357 Buck Regulator Breakout Hookup GuideFeatures
Buck Board Features:
- 1in. x 1in. PCB layout
- Three power input/output options:
- Pre-assembled 4-pin screw terminal
- Five 0.1in. spaced PTH pins
- Three plated slots for a DC barrel jack (input only)
- Power connections:
VIN- Power In (6V to 32V)GND- Common GroundVOUT- Power Out (Regulated 5V)EN- Enable (Pull high to enable the power output)
- Red, power LED indicator
- 0.5in. x 0.6in. Plated copper pad (for heat sinks)
AP63357 Features:
- VIN 3.8V to 32V
- 3.5A Continuous Output Current
- 0.8V ± 1% Reference Voltage
- 22µA Low Quiescent Current (Pulse Frequency Modulation)
- 450kHz Switching Frequency
- Supports Pulse Frequency Modulation (PFM)
- Up to 86% Efficiency at 5mA Light Load
- Proprietary Gate Driver Design for Best EMI Reduction
- Frequency Spread Spectrum (FSS) to Reduce EMI
- Low-Dropout (LDO) Mode
- Power Good Indicator with 5M? Internal Pull-up
- Precision Enable Threshold to Adjust UVLO
- Protection Circuitry
- Undervoltage Lockout (UVLO)
- Output Undervoltage Protection (UVP)
- Cycle-by-Cycle Peak Current Limit
- Thermal Shutdown
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- $7+ for Standard Post (typically 6+ business days, tracked)
- $11+ for Express Post (typically 2+ business days, tracked)
- Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
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International Orders - the following rates are for New Zealand and will vary for other countries:
- $12+ for Pack and Track (3+ days, tracked)
- $16+ for Express International (2-5 days, tracked)
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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