LB11817 Datasheet, PDF (1/10 Pages) Sanyo Semicon Device – Three-Phase Full-Wave Linear Drive

Ordering number :EN*6213A
Monolithic Digital IC
LB11817
Three-Phase Full-Wave Linear Drive
Preliminary
Overview
Package Dimensions
The LB11817 is a spindle motor driver for use in slim- unit: mm
shaped FDDs that use 5 V power supply.
3247-SSOP36
Functions and Features
[LB11817]
• Three-phase full-wave linear drive
• Low saturation voltage
• Built-in digital speed control
• Start/stop circuit (active low)
• Speed switching
• Current limiter
• Index processing circuit
• The index timing can be adjustment with a variable
resistor.
• Thermal protection circuit
36
19
1
0.30
15.2
18
0.20
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Maximum steady-state output current
Allowable power dissipation 1
Operating temperature
Storage temperature
Symbol
V_CCmax
I_{O max}1
I_{O max}2
Pdmax1
Topr
Tstg
t ≤ 0.5 s
Independent IC
Allowable Operating Ranges at Ta = 25°C
Parameter
Supply voltage
Symbol
V_CC
0.8
0.8
Conditions
Conditions
SANYO: SSOP36
Ratings
Unit
7.0
V
1.5
A
1.0
A
0.6
W
–20 to +80
°C
–40 to +150
°C
Ratings
Unit
4.2 to 6.5
V
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
63099RM (OT) No. 6213-1/10