LV8747T

www.DataSheet.co.kr Ordering number : ENA0967 Bi-CMOS LSI LV8747T Overview PWM Constant-Current Control Stepping Motor Driver and Switching Regulator Controller The LV8747T is a PWM constant-current control stepping motor driver and switching regulator controller IC. Features Two circuits of PWM constant-current control stepping motor driver incorporated Two circuits of switching regulator controller incorporated Motor driver control power incorporated Control of the stepping motor to W1-2 phase excitation possible Chopping frequency selectable Output short-circuit protection circuit incorporated High-precision reference voltage circuit incorporated Output-stage push-pull composition enabling high-speed operation Timer latch type short-circuit protection circuit incorporated Upper and lower regenerative diodes incorporated Thermal shutdown circuit incorporated Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Supply voltage Driver output peak current 1 Driver output continuous current 1 Driver output peak current 2 Driver output continuous current 2 Regulator output current Symbol VM max MDIO peak1 MDIO max1 MDIO peak2 MDIO max2 SWIO max OUT1/OUT2 tw ≤ 10ms, duty 20% OUT1/OUT2 OUT3/OUT4 tw ≤ 10ms, duty 20% OUT3/OUT4 OUT5/OUT6 tw ≤ 1µs Conditions Ratings 38 1.75 1.5 0.8 0.5 500 Unit V A A A A mA Continued on next page. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard applic...