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PDF LB1913 Data sheet ( Hoja de datos )
| Número de pieza | LB1913 | |
| Descripción | FDD Spindle Motor Driver | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LB1913 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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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
VCC max
IO max1
IO max2
Pd max
Topr
Tstg
t ≤ 0.5 s
Independent IC
Conditions
SANYO: HSOP28
Ratings
7.0
1.0
0.7
0.5
–20 to +80
–40 to +150
Unit
V
A
A
W
°C
°C
Allowable Operating Ranges at Ta = 25°C
Parameter
Recommended supply voltage
Symbol
VCC
Conditions
Ratings
4.2 to 6.5
Unit
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
1 page  
Continued from preceding page
Pin no.
10
Pin
DO
Pin voltage
LB1913
Equivalent circuit
Function
• Speed discriminator
11 FC
13 UOUT
15 VOUT
16 WOUT
14 PGND
Index Delay Pulse Timing Chart
• Frequency characteristics correction
Current control system open loop oscillation can be
prevented by inserting a capacitor between this pin
and ground.
• U-phase output
• V-phase output
• W-phase output
• Output transistor ground connection
No. 5503-5/6
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LB1913.PDF ] | |
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