LB1820 Datasheet, PDF (1/7 Pages) Sanyo Semicon Device – Office Automation-Use 3-Phase Brushless Motor Driver

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
. _{30 V withstand voltage and 2.5 A output current}
. _{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
V_CC
V_M
I_O
Pd max 1
Pd max 2
Topr
Tstg
Conditions
t % 100 ms
Independent IC
With arbitrarily large heat sink
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
V_CC
V_M
I_VH
I_OSC
I_LD
Conditions
SANYO : DIP28HS
Ratings
Unit
30
V
30
V
2.5
A
3
W
20
W
–20 to +80
°C
–55 to +150
°C
Ratings
Unit
9.5 to 28
V
5 to 28
V
0 to +20
mA
0 to +30
mA
0 to +20
mA
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
43096HA(II)/3260TA, TS(GTPS) No.3302-1/7