LB1890M Ver la hoja de datos (PDF) - SANYO -> Panasonic
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LB1890M Datasheet PDF : 8 Pages
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Ordering number : EN4354
Monolithic Digital IC
LB1890M
FDD Spindle Motor Driver
Overview
The LB1890M is a 3-phase DD motor driver IC and is an
ideal FDD spindle motor driver for 3.5 inch applications.
Functions and Features
• Three phase total wave linear driver
• Eliminates need for output electrolytic capacitor
(however, depending on the motor, this may not apply)
• On-chip digital speed control
• Start/stop circuit
• Current limiter circuit
• On-chip index comparator (single HYS)
• On-chip index delay circuit
• AGC circuit
• Temperature protection circuit
Package Dimensions
unit: mm
3129-MFP36S
[LB1890M]
SANYO: MFP36S
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Steady Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature range
Symbol
VCC max
IO max1
IO max2
Pd max
Topr
Tstg
t≤0.5
Independent IC
Conditions
Ratings
Unit
7.0
V
1.0
A
0.7
A
1
W
–20 to +80
°C
–40 to +150
°C
Allowable Operating Conditions at Ta = 25°C
Parameter
Supply voltage range
Symbol
VCC
Conditions
Ratings
Unit
4.2 to 6.5
V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
73098HA (OT)/20593TS A8-9675, 9414 No. 4354-1/8
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