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PDF F2970 Data sheet ( Hoja de datos )
| Número de pieza | F2970 | |
| Descripción | FOR FAN MOTOR SINGLE-PHASE FULL-WAVE DRIVER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de F2970 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
F2970
Preliminary
LINEAR INTEGRATED CIRCUIT
FOR FAN MOTOR
SINGLE-PHASE FULL-WAVE
DRIVER
DESCRIPTION
The UTC F2970 is a single-phase full-wave bipolar driver
control IC with excellent efficiency for fan motor.
FEATURES
* Single-phase full-wave drive (16V to 1.2A transistors are built in)
* Speed adjustment function by thermistor input and external
signal incorporated
→Enables silent and low-vibration variable speed control
through direct PWM control with separately-excited upper tR
* Kick-back absorption circuit are built in
* Current limiter function (The limiter value determined with Rf,
limit at IO=480mA with RL=1Ω connection,)
* Low-consumption, low-loss, and low-noise drive enabled by the
soft switching circuit during phase shift
* HB incorporated
* Lock protection and automatic reset functions incorporated
* FG (rotation detection) output
* Regeneration Di incorporated with less external parts
* Thermal shutdown circuit incorporated
ORDERING INFORMATION
Note:
Ordering Number
Lead Free
Halogen Free
F2970L-S18-T
F2970G-S18-T
F2970L-S18-R
F2970G-S18-R
xx: Output Voltage, refer to Marking Information.
Package
SOP-18
SOP-18
SOP-18
Packing
Tube
Tape Reel
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 6
QW-R109-035.a
1 page  
F2970
Preliminary
LINEAR INTEGRATED CIRCUIT
TRUTH TABLE
VTH
PIN
IN-
IN+ CT
LL H L
(OPEN)
H
L
L
L
L
H
L
H
L
L
H
-
-
H
H
H
L
L
H
L
- - H LH
--
L HH
Notes: 1.VTH, P-IN=L means VTH, P-IN<CPWM
2.VTH, P-IN=H means VTH, P-IN>CPWM
OUT1
H
L
OFF
L
OFF
L
OFF
L
OUT2
L
H
L
OFF
L
OFF
L
OFF
FG
L
OFF
L
OFF
L
OFF
L
OFF
Mode
Running-Drive
Running-Regeneration
Output Regeneration Mode
with External Signal
Lock Protection
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R109-035.a
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet F2970.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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