Product Description
This is a set of DC-DC step-down power supply module, from 4.75V-12V to 3.3V, with 3-pin connection, small size and convenient connection.

Specifications:
Output current: 800mA
Line adjustment rate: 0.2% (maximum)
Load regulation: 0.4% (max.)
Package Type: SOT-223
Operating junction temperature range: -40 to 125°C
Welding temperature (25 seconds): 265°C
Storage temperature: - 65~150°C
Output voltage: 3.267 to 3.333V (IOUT: 0 to 800mA, VIN :4.75V to 12V)
Line adjustment (maximum): 10mV (VIN :4.75V to 12V)
Load regulation (maximum): 15mV (VIN = 5V, IOUT: 0 to 800mA)
Voltage difference (maximum): 1.3V
Current limit: 900 ~ 1500mA
Quiescent Current (Max): 10mA
Ripple suppression (minimum): 60dB
Size: 8.6 x 12.33 mm

Note:
1.Please do not exceed operating voltage, or it will be damaged easily.
2.Exceeding the maximum allowable power consumption will result in excessive chip temperature.
3.Can not reverse polarity, or it will result in short circuit.

Package includes:
20 x 3.3V DC-DC Step-Down Power Module
20 x Heat sink