LB1913 Datasheet, PDF (1/6 Pages) Sanyo Semicon Device – FDD Spindle Motor Driver

Ordering number : EN5503
Monolithic Integrated IC
LB1913
FDD Spindle Motor Driver
Overview
The LB1913 is a three-phase disk drive motor driver IC
that is optimal for use as a 3.5-inch floppy disk drive
spindle motor driver.
Functions and Features
• Three-phase full-wave linear drive
• On-chip digital speed control
• Start and stop circuits (active low)
• Speed switching
High: 300 rpm, Low: 360 rpm
• Current limiter circuit
• Index comparator circuit
• Index delay circuit
• Thermal protection circuit
Package Dimensions
unit: mm
3222-HSOP28
[LB1913]
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Maximum output current
Maximum steady-state output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V_CC max
I_O max1
I_O max2
Pd max
Topr
Tstg
t ≤ 0.5 s
Independent IC
Conditions
SANYO: HSOP28
Ratings
Unit
7.0
V
1.0
A
0.7
A
0.5
W
–20 to +80
°C
–40 to +150
°C
Allowable Operating Ranges at Ta = 25°C
Parameter
Recommended supply voltage
Symbol
V_CC
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 JAPAN
83196HA (0T) No. 5503-1/6