(1) 5v Audio Amplifier
Working voltage: DC 5V (please don't use more than 5V, or the IC will be burnt)
Output power: 5W 2Ω 5V \ 3W 4Ω 5V \ 1.8W 8Ω 5V
Input method: single-ended
General harmonic distortion & Noise: <10%
Low quiescent current
The protection: against reverse connection of power input; Short circuit; Overheat; EMI is allowed to pass
(2) DC Buck Converter
Input Voltage: DC 3V-40V
Output Voltage: 1.23-37V
Output Current: 3A(Max.)
Output Ripples: 20mV (Max.)
Conversion Efficiency: 92%(Max.)
No-load Current: 7mA or so
Protection Function: reverse, over current, overheat, short circuit
Working Temperature: -40℃ to 85℃
1. It is a combination of 5v audio amplifier and 5v power supply board; the amp board working voltage is DC 5V, output power is 5W (2Ω 5V)/3W (4Ω 5V) / 1.8W (8Ω 5V); the power supply module input voltage range is DC 4-40V, adjustable output voltage range is DC 1.23-37V, max output current is 3A.
2. Artificial Material: this New-designed power amplifier is made of noble black immersion gold circuit board, imported KEMET speaker capacitor, large-capacity filter capacitor for channels. Besides, we customized black copper terminal blocks and gold-plated audio input terminal blocks for this new amplifier module.
3. Safe Protection: the class D dual-channel amp board is designed with input reverse connection protection, short circuit protection, over heat protection; what's more, EMI is allowed to pass; the step down power supply module is with reverse connection protection, over current protection, overheat protection, short circuit protection.
4. High Performance: the digital amplifier module is with high efficiency of over 90%, general harmonic distortion noise is less than 10%, low quiescent current and noise suppression; the voltage reducer conversion efficiency can up to 92%.
1x 5v Audio Amplifier
1x DC Buck Converter