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部品番号
コンポーネント説明
LB1980H データシートの表示(PDF) - SANYO -> Panasonic
部品番号
コンポーネント説明
メーカー
LB1980H
Monolithic Digital IC For VCR Capstan Motors 3-Phase Brushless Motor Driver
SANYO -> Panasonic
LB1980H Datasheet PDF : 7 Pages
1
2
3
4
5
6
7
Block Diagram
UIN+
15
U
UIN- 16
+
VIN+
17
V
VIN- 18
+
WIN+
19
W
WIN- 20
+
CTL
11
CTLREF 12
Control
+
amplifier
About 0.435VCC
LIM 13
LB1980H
FC
14
Antilogarithm
conversion
and
differential
distribution
Upper side
saturation
prevention
control
+
gm
Differential
distribution and
torque ripple
correction
block
+
+
LIMREF
Feedback
+
amplifier
Output stage
22
VS
U
27 UOUT
V
28 VOUT
W
1 WOUT
24 Rf(PWR)
+
gm
4 Rf(SENSE)
Drive distribution circuit
and lower side saturation
prevention circuit
23 ADJ
5 GSENSE
FR 6
Forward /
reverse
selection
GND 7
VCC 21
TSD
Reference
voltage
Bandgap 1.2V
FG amplifier
+
8 FGIN-
9 FGIN+
10
FGOUT
No.5974-4/7
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