SparkFun Buck Breakout Regulator - 5V 3A step-down inverter - AP63357 - SparkFun COM-21255

Brand: Sparkfun
Product Code: AN-22682
Availability: 4-6 business days
Planned delivery date after ordering: 2025-07-11

19.00€
Ex Tax: 15.70€

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Step-down converter equipped with the AP63357 voltage regulator by Diodes Inc. It lowers the input voltage from 6 V to 32 V, giving the output voltage of 5 V, current efficiency is 3 A. The module has a fully integrated 74 mOhm MOSFET on the high side and a 40 mOhm MOSFET on the low side, providing highly efficient DC-DC conversion. At the back of the module, the manufacturer placed a copper washer that dissipates excess heat generated by the plate during operation.

Specification:

Inverter type: step-down
Input voltage: 6 V to 32 V
Output voltage: 5 V
Continuous output current: 3 A (according to the specification, the system has a current efficiency of 3.5 A, however, the manufacturer notes that due to the high heating of the module, this value may not be achievable)
Reference voltage: 0.8 V ± 1%
Quiescent current: 22 µA
Switching frequency: 450 kHz
Supports pulse frequency modulation (PFM): up to 86% efficiency at 5 mA load
Patented design provides the best EMI reduction
Frequency Spread Spectrum (FSS) for EMI reduction
LDO mode
Security:

undervoltage lockout (UVLO)
undervoltage outputs (UVP)
cycle-by-cycle peak current limit
thermal shutdown

Tags: sparkfun, buck, breakout, regulator, step-down, inverter, ap63357, com-21255, voltage, regulators

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