Who doesn't occasionally need power regulation? We certainly do, so we've designed the SparkFun BabyBuck Regulator Breakout to help us with just such a task. Featuring the AP63203 from Diodes Inc, this breakout board takes advantage of a 2A synchronous buck converter that has a wide input voltage range of 3.8V to 32V and fully integrated 125mΩ high-side power MOSFET/68mΩ lowside power MOSFET to provide high-efficiency step-down DC/DC conversion. All of this snuggled up in a low-profile, TSOT26 package that's integrated into a 0.4in by 0.5in board.
Unlike it's sibling, the BabyBuck sacrifices power option flexibility for space. Don't worry, though, because you can still use the plated through holes for input and output power. With some simple right-angle headers, you'll be up and running in no time.
Frequency Spread Spectrum (FSS) reduces EMI and a proprietary gate driver scheme resists switching node ringing without sacrificing MOSFET turn-on and turn-off times, which further erases high-frequency radiated EMI noise.
Features:
Low-Profile Footprint
VIN 3.8V to 32V
VOUT 3.3V
Up to 2A Continuous Output Current
0.8V ± 1% Reference Voltage
22µA Ultralow Quiescent Current
Switching Frequency - 1.1MHz
Supports Pulse Frequency Modulation (PFM)
Up to 80% Efficiency at 1mA Light Load
Up to 88% Efficiency at 5mA Light Load
Fixed Output Voltage - 3.3V
Proprietary Gate Driver Design for Best EMI Reduction
Frequency Spread Spectrum (FSS) to Reduce EMI
Precision Enable Threshold to Adjust UVLO
Protection Circuitry
Overvoltage Protection
Cycle-by-Cycle Peak Current Limit
Thermal Shutdown

Brand	SparkFun
Item Weight	0.634 ounces
Product Dimensions	1.57 x 1.46 x 0.2 inches
Item Dimensions LxWxH	1.57 x 1.46 x 0.2 inches
Processor Brand	ARM
Number of Processors	1
Manufacturer	SparkFun Electronics
ASIN	B09KTF9BTR
Date First Available	November 10, 2021

SparkFun BabyBuck Regulator Breakout-3.3V (AP63203)- Regulate power- 2A synchronous buck converter- wide input 3.8V-32V- high-efficiency step-down DC/DC conversion- low profile 0.4in x 0.5in footprint

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