Sale!

USB Out Buck Step Down 6-24V (9v,12v,15v,18v) to 5V 2A Power Supply Module USB-A

Original price was: £3.10.Current price is: £2.64.

A USB output from a higher voltage.
For example,  from a 12V car battery to power or charge a USB device

In stock

SKU: DOWN-USBA Category: Tags: ,

Description

WHAT IS IT

A Buck Converter.
It converts a variable input DC voltage to a lower constant DC voltage

WHAT IS IT USED FOR

A USB output from a higher voltage.
For example,  from a 12V car battery to power or charge a USB device

HOW DO I USE IT

Solder the input power wires to the board and the USB socket will be ready to use.
The positive is the hole at the bottom near the black diode when viewed component side up. The ground is the hole at the top next to the line of little resistors.

TECHNICAL SPECIFICATION

500KHz Switching Frequency
Peak output current 3A
Max output current 2A
LED Indicator
Load regulation: +- 1%
Voltage Regulation: +- 0.5%
Dynamic response speed: 5% 200uS
Static current: 0.85 mA
26mm x 15mm x 8mm
Weighs 4g

OBSERVATIONS

A large discount for multiple purchases because they’re so tiny and light.
At 2A out, I measure 1.0A in at 12V, giving 83% efficiency.  After 10 mins the unit reads 72 degC
At 1A out, I measure 0.47A in at 12V giving 88% efficiency.  After 10 mins it reads 30 degC

Additional information

Weight 0.01 kg
Dimensions 2.6 × 1.5 × 0.8 cm
Normal Power

2A

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