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Número de pieza | TA8421AF | |
Descripción | (TA8420AF / TA8421AF) 1 CHIP DC FAN MOTOR DRIVER | |
Fabricantes | Toshiba Semiconductor | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de TA8421AF (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
No Preview Available ! TA8420,21AF
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA8420AF,TA8421AF
1 CHIP DC FAN MOTOR DRIVER
The TA8420AF and TA8421AF are fan motor drive ICs.
The output current for these ICs is 1.0 A (average). The ICs
incorporate all functions necessary for fan motors. By
substantially reducing peripheral components, the ICs save space
and enhance miniaturization.
TA8420AF has an FG output Pin (outputs FG signals in
proportion to the number of rotations). TA8421AF has an RD
terminal that detects the state of the motor (that is, rotating or
stopped). In other respects, the two ICs are the same.
FEATURES
l Build−in Lock Sensing Circuit (Over Heat Protector for Drive
Coil).
l Build−in Automatic Self Rotation Recovery Circuit After
Release of Motor Locking.
Weight : 0.09 g (Typ.)
l Operating Voltage : VCC (opr) = 4~15 V
l Output Current : IO = 1.0 A (AVE)
l Thermal Shutdown Circuit Incorporated.
l Suitable for Super Micro Fan Motor.
l Surface Mountable MFP 10 Package Sealeded.
l Less External Component.
l TA8420AF has FG (Frequency Generator) Out for Rotation Speed Sense and TA8421AF has RD (Rotation
Detect) Out for Rotate or Stop Sense.
1 2001-06-13
1 page l Recommended operating conditions
TA8420AF, TA8421AF are designed for 5, 12 V operating voltage use.
Please refer to Fig. 2 of Recommendation Operating Region.
TA8420,21AF
Fig. 2 Recommendation operating region
l Transient thermal resistance.
Fig. 3 Transient thermal resistance (Single pulse condition)
5 2001-06-13
5 Page PACKAGE DIMENSIONS
SSOP10−P−225−1.00
TA8420,21AF
Unit : mm
Weight : 0.09 g (Typ.)
11 2001-06-13
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet TA8421AF.PDF ] |
Número de pieza | Descripción | Fabricantes |
TA8421AF | (TA8420AF / TA8421AF) 1 CHIP DC FAN MOTOR DRIVER | Toshiba Semiconductor |
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