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L6260 Datasheet(PDF) 27 Page - STMicroelectronics

Part # L6260
Description  4.5 – 5.5V DISK DRIVER SPINDLE & VCM, POWER & CONTROL COMBO?셎
PDF  30 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6260 Datasheet(HTML) 27 Page - STMicroelectronics

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H1
(n) := A1 ⋅
1
+
S
(n)
2
⋅ π ⋅ fzc
⋅
1
+
S
(n)
2
⋅ π ⋅ fz1
1
+
S
(n)
2
⋅ π ⋅ fzc
⋅
1
+
S
(n)
2
⋅ π ⋅ fp1
⋅
1
+
S
(n)
2
⋅ π ⋅ fp2
(OTA)
2ND STAGE (POWER NMOS) TRANSFER FUNCTION:
Zsn(n) : = Rn +
1
Cs
⋅ S(n)
(snubber)
ZL(n) : =
Zsn
(n) ⋅ ZLo(n)
Zsn
(n)+ ZLo(n)
(load)
ZLo(n) : + LS(n) + R1 (motor)
Ci : = Cgs = Cgd
Co : = Cgd + Cdb
1
Ra
+ Ci·S(n)
1
Ro2
+
- (Cgd·S(n) - gm2)
- (Cgs·S(n) + gm2)
Co·S(n) +
1
ZL(n)
- (Cgd·S(n)
1
Ra
-
0
1
Ro2
-0
1
Ra
+ Ci·S(n)
1
Ro2
+
- (Cgd·S(n) - gm2)
- (Cgs·S(n) + gm2)
Co·S(n) +
1
ZL(n)
- (Cgd·S(n)
1
Ro2
-
- (Cgs·S(n)
1
Ro2
-
gm2 +
1
Ro2
+
(Cgs + Csb)·S(n) + gm2 +
1
Rs
H2(n) : =
D96IN361
{
H2
(n)= left|[{matrix{ccol
L6260
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