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PDF M56781FP Data sheet ( Hoja de datos )
| Número de pieza | M56781FP | |
| Descripción | 2-CHANNEL ACTUATOR MOTOR DRIVER | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI <CONTROL / DRIVER IC>
M56781FP
2-CHANNEL ACTUATOR MOTOR DRIVER
DESCRIPTION
The M56781FP is a semiconductor IC developed as the motor
driver used DVD, DVD-ROM, CD-ROM and CD Player.
This device include 2 channel BTL drivers and can drive 2
actuators with one IC at the same time.
Also, the mute circuit, thermal protection circuit and VREF voltage
monitor circuit functions are included.
FEATURES
q Low output saturation voltage (typ. 1.35V at 0.5A).
q Wide operating supply voltage range (4.5 – 15V).
q High current drive capability (maximum 0.9A).
q Low crossover distortion.
q High frequency capability.
APPLICATION
DVD, DVD-ROM, CD-ROM, CD-PLAYER
PIN CONFIGURATION (TOP VIEW)
GND 1
VM2+ 2
MUTE2B 3
MUTE2A 4
MUTE1 5
VCC2 6
VCC1 7
IN- 8
IN+ 9
OPOUT 10
VM1+ 11
GND 12
24 GND
23 VM2-
22 CTL2OUT
21 CTL2+
20 CTL2-
19 VREF
18 TSDS
17 CTL1-
16 CTL1+
15 CTL1OUT
14 VM1-
13 GND
Outline 24P2Q-A
BLOCK DIAGRAM
OPOUT IN+ IN-
10 9 8
CTL1+ CTL1- CTL1OUT
16 17
15
+ - VCC2
A3
+-
A1
VM1+
11
CH1
25k 25k
PA
-+
×5
5k
5k
VM1-
14
25k 25k
PA
-+
×5
5k
5k
VCC1
MUTE1
5
H : Mute On
L, Open : Mute Off
VCC1
2
CH1
MUTE
VCC1
7
GND
+
-
1.4V
Vrefm
Vrefm
VCC2
TSD
19
VREF
5k 5k
A2
+-
×5
-+
PA
25k 25k
CH2
21 20
22
CTL2+ CTL2- CTL2OUT
2
VM2+
5k 5k
×5
-+
PA
25k 25k
23
VM2-
CH2
MUTE
VCC2
VCC2
2
6
VCC2
H, H
Mute On
43
18
MUTE2A MUTE2B TSDS
1 page  
TYPICAL CHARACTERISTICS
Output Saturation Voltage - Load Current Characteristics.
VCC1 = VCC2 = 12V
(V)
12
11
0.84
0.89
MITSUBISHI <CONTROL / DRIVER IC>
M56781FP
2-CHANNEL ACTUATOR MOTOR DRIVER
Top side
saturation voltage
0.95
1.00
1.05
2
1
0
0
0.06
100
0.12
200
0.18
300
FREQUENCY CHARACTERISTICS
(dB)
40
GAIN
20
0
-20
GAIN
PHASE
The voltage range
that is able to drive a motor.
0.24
400
0.30
Bottom side saturation voltage
500 (mA)
(deg)
180
PHASE
90
0
-90
-40
0.03 0.06 0.1
0.3 0.6 1
3 6 10
30 60 100
300 600
-180
FREQUENCY
(kHz)
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet M56781FP.PDF ] | |
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