Ordering number: EN3302A
Monolithic Digital IC
LB1820 Office Automation-Use 3-Phase Brushless Motor Driver
Overview
T...
Ordering number: EN3302A
Monolithic Digital IC
LB1820 Office Automation-Use 3-Phase Brushless Motor Driver
Overview
The LB1820 is a three-phase brushless motor with a digital speed control circuit built in. The LB1820 is ideally suited for use in office automation applications such as laser beam printers and drum motor drivers.
Package Dimensions
unit : mm
3147-DIP28HS
[LB1820]
Features
. Three-phase brushless motor driver with digital speed control . function V withstand voltage and 2.5 A output current . 30 Current limiter built in . Low-voltage protection circuit built in . Thermal shutdown circuit built in . Hall amp with hysteresis . Start/stop pin built in . Crystal oscillator and divider built in . Digital speed control circuit built in . Lock detector built in
Specifications
Absolute Maximum Ratings at Ta = 25 °C
Parameter Maximum supply voltage 1 Maximum supply voltage 2 Output current Allowable power dissipation 1 Allowable power dissipation 2 Operating temperature Storage temperature Symbol VCC VM IO Pd max 1 Pd max 2 Topr Tstg t % 100 ms Independent IC With arbitrarily large heat sink Conditions
SANYO : DIP28HS
Ratings 30 30 2.5 3 20 –20 to +80 –55 to +150
Unit V V A W W °C °C
Allowable Operating Ranges at Ta = 25 °C
Parameter Supply voltage range 1 Supply voltage range 2 Voltage
regulator output current Comparator output current Lock detector output current Symbol VCC VM IVH IOSC ILD Conditions Ratings 9.5 to 28 5 to 28 0 to +20 0 to +30 0 to +20 Unit ...