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LB8503V датащи(PDF) 4 Page - Sanyo Semicon Device

номер детали LB8503V
подробное описание детали  Monolithic Digital IC DC Fan Motor Speed Control IC
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производитель  SANYO [Sanyo Semicon Device]
домашняя страница  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

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LB8503V
No.A0366-4/20
Pin Assignment
Pin Functions
Pin No.
Pin
Description
RC
1
One-shot multivibrator pulse width setting. Connect a resistor between this pin and VREG, and a capacitor between this
pin and ground.
SOFT
2
Soft start time setting. Connect a capacitor between this pin and VREG.
VREG
3
6V regulator output. Connect a capacitor between this pin and ground for stabilization.
VCC
4
Power supply. Connect a capacitor between this pin and ground for stabilization.
CVI
5
Control voltage input
CVO
6
Duty pulse signal smoothed voltage output
CTL
7
Duty pulse signal input. The speed is controlled by the duty of this pulse signal.
C
8
Duty pulse signal smoothing. Connect a capacitor between this pin and VREG.
LIM
9
Minimum speed setting. Normally, the 6V regulator level is resistor divided to set this pin's input level.
FGIN
10
FG pulse input
FGOUT
11
FG pulse output
GND
12
Grand pin
NC
13
NC pin
EI
14
One-shot multivibrator output and integrating amplifier input. A capacitor must be connected between this pin and EO for
this integration.
EO1
15
Integrating amplifier output. (For use with an accelerating driver IC if the command voltage becomes low (single-phase
systems).)
EO3
16
Integrating amplifier inverting output. (For use with an accelerating driver IC if the command voltage becomes high
(three-phase systems).)
LB8503V
Top view
5
4
3
1
RC
2
VREG
VCC
CTL
C
16
14
12
11
10
EO3
EO1
NC
GND
FGIN
6
7
8
15
13
9
LIM
FGOUT
CVO
CVI
EI
SOFT


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