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LB11889M Datenblatt(PDF) 8 Page - Sanyo Semicon Device

Teilenummer LB11889M
Bauteilbeschribung  Monolithic Digital IC For VCR Capstan Three-Phase Brushless Motor Driver
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Hersteller  SANYO [Sanyo Semicon Device]
Direct Link  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB11889M Datenblatt(HTML) 8 Page - Sanyo Semicon Device

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LB11889M
No.8791-8/11
Block Diagram
V
W
U
Forward
/reverse
select
Control amplifier 1
Feedback
amplifier
TSD
Anti-logarithm
&
differential
distribution
FG amplifier
Upper saturation
prevention control
Output stage
VS
U-OUT
U
V
W
gm
Drive distribution circuit & lower
saturation prevention control
V-OUT
W-OUT
Rf (PWR)
Rf (SENSE)
ADJ
GSENSE
FGIN-
FGIN+
FGOUT
Bandgap 1.2V
VCC
GND
FR
LIM
CTLREF
CTL
LIMREF
FC
UIN+
UIN-
VIN+
VIN-
WIN+
WIN-
Reference voltage
Differential
distribution &
torque ripple
correction
block
6
7
15
14
21
26
27
28
23
31
22
32
3
4
5
-
+
-
+
-
+
-
+
+
-
+
-
+
+
-
-
+
-
+
+
-
10
11
12
13
8
33
34
16
9
gm
gm
Control amplifier 2


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