TA8493AFG TOSHIBA Semiconductor CORPORATION, TA8493AFG Datasheet - Page 18

• Manufacturer Part Number: TA8493AFG
• Description: 3-phase Full Wave Brushless Dc Motor Driver Ic For Cd-rom Drives
• Manufacturer: TOSHIBA Semiconductor CORPORATION

3. ∆V
•
•
•
OFF (F)
∆V
∆V
V
LIM
OFF (F)
OFF (R)
L
: Switch the V
b
30
L
1
Measure the V
b
(G) L
, ∆V
: Measure V
: Measure V
22 V
V
29
M1
a
2
OFF (R)
(G) L
1000 pF
28
L
3
a
c
CRF
, V
L
CRF
RF
V
RF
c
27
M2
4
LIM
(G) MS
from 0 V to 0.4 V.
at V
at V
at the point when output voltage level changes from low (L) to high (H)
5 V
5 V
SB
26
5
C
C
= 1.63 V/1.5 V.
= 1.67 V/1.8 V.
R
R
R
25
TA8493F/FG/AF/AFG/BF/BFG
6
F1
F2
F1
GND1 OSC
GND2
24
7
V
18
C
CRF
23
RF
8
1.65 V
N.C. FGO BRK
V
22
9
ref
V
V
21
10
C
C
V
20
11
5 V
CC
H
C
19
12
b
d
−
H
HB
18
13
b
+
H
H
17
14
a
c
−
−
H
H
16
15
c
a
+
+
2006-3-6
2.5 V