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PDF FD128MX-LF Data sheet ( Hoja de datos )
| Número de pieza | FD128MX-LF | |
| Descripción | Single Phase Smart DC Motor Driver IC | |
| Fabricantes | Feeling Technology | |
| Logotipo |  |
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Technology
FD128MX/FD128NX
Single Phase Smart DC Motor Driver IC
General Description
The FD128 series is a direct PWM drive IC with single-phase and bipolar drive. The
IC is suitable for variable speed control Fan of PC.
Features
Single-phase coil driver, applied to fan or motor.
Lock function built-in and a lock detect output signal (RD).
Thermistor or PWM modes are available for speed control.
An external capacitor (CO) is necessary for lock function.
An external capacitor (CP = 47pf) for internal 25KHz saw-tooth wave
Thermal Shutdown built-in.
Hall IC input (INN) can use as rotation output (FG)
Internal minimum speed
Function Block Diagram
CO Lock Detect
VDD
Regulator
INN Controller
RD
VL
SO
NO
TSD Oscillation
Circuit
VSET CP
GND
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev0.6 Aug. 01, 2008
P.1
1 page  
Technology
FD128MX/FD128NX
Single Phase Smart DC Motor Driver IC
Motor Speed vs. CP pin connect PWM signal operating Duty Cycle
100
90
80
70
60
50
40
30
20
10
0
0
Max.
PWM
Max.
RPM
10 20 30 40 50 60 70 80 90 95 100 (%)
PWM Operating (Duty Cycle)
Motor Speed vs. Vset pin connect PWM signal Operating Duty cycle
100
90
80
70
60
50
40
30
20
15
10
0
0
Max.
PWM
Max.
RPM
Min.
PWM
Min.
RPM
10 15 20 30 40 50 60 70 80 90 95 100 (%)
25KHz PWM operating (Duty Cycle)
Two kinds use the outside PWM signal to control the difference of way of
rotational speed of the fan to prove:
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev0.6 Aug. 01, 2008
P.5
5 Page 
Technology
FD128MX/FD128NX
Single Phase Smart DC Motor Driver IC
ORDER INFORMATION
Part Number
FD128MX-LF
FD128NX-LF
E.P.: exposed pad
Operating Temperature
-20 oC to +125 oC
-20 oC to +125 oC
Package
SOP8(E.P)
SOP8(E.P)
Product Part Number Vs. Function Table
Part Number
Auto lock-
shutdown restart
Thermal-
shutdown restart
FD128MX-LF
FD128NX-LF
Rotation-
detection
(RD)
PWM
This datasheet contains new product information. Feeling Technology reserves the rights to modify the product specification without notice.
No liability is assumed as a result of the use of this product. No rights under any patent accompany the sales of the product.
Rev0.6 Aug. 01, 2008
P.1
1
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet FD128MX-LF.PDF ] | |
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