LB1845
Overview
The LB1845 is a PWM current control type stepping motor driver that uses a bipolar drive scheme. It is particularly suitable for driving carriage and paper feed stepping motors in printers and similar products.
Package Dimensions unit: mm 3147A-DIP28H
[LB1845]
Features
- -
- - PWM current control (fixed off time scheme) Digital load current selection function Sustained output voltage: 45 V Built-in thermal shutdown circuit
SANYO: DIP28H
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter Motor supply voltage Peak output current Continuous output current Logic block supply voltage Logic input voltage range Emitter output voltage Allowable power dissipation Operating temperature Storage temperature Symbol VBB IOPEAK IOMAX VCC VIN VE Pd max1 Pd max2 Topr Tstg Independent IC With an arbitrarily large heat sink t W = 20 µS Conditions Ratings 45 1.75 1.5 7.0
- 0.3 to VCC 1.0 3.0 20.0
- 20 to +85
- 55 to +150 Unit V A A V V V W W °C °C
Remended Operating Ranges at Ta =...
