LB1939T Description
.DataSheet.co.kr Ordering number : ENN6194 Monolithic Digital IC LB1939T 2 Channel H Bridge Constant Voltage/ Constant Current Driver IC Overview The LB1939T is a two-phase excitation bipolar stepping motor driver that.
LB1939T Key Features
- Low-voltage drive
- Dual power supply operation: VS = 1.6 to 7.5 V, VDD = 1.9 to 6.5 V
- Single power supply operation: VS = VDD = 1.9 to 7.5 V
- Low saturation voltage output: Vosat = 0.3 V at IO = 200 mA
- Supports constant voltage and constant current drive
- Built-in reference voltage circuit (Vref = 0.9 V)
- Miniature, thin form package (Thickness t = 1.1 mm)