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參數(shù)資料
| 型號(hào)： | L6260 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4.5 - 5.5V DISK DRIVER SPINDLE & VCM, POWER & CONTROL COMBO’S |
| 中文描述： | 4.5 - 5.5V的磁盤驅(qū)動(dòng)程序主軸 |
| 文件頁(yè)數(shù)： | 8/30頁(yè) |
| 文件大?。?/td> | 305K |
| 代理商： | L6260 |
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ELECTRICALCHARACTERISTICS
(continued)
Spindle Motor
Symbol
I
o
R
dson
Sink
R
dson
Total
Parameter
Test Condition
Min.
1
Typ.
Max.
Units
A
Ohms
Ohms
Maximum Output Current
Sink On Resistance
Total drive resistance
R
dson
sink + R
dson
source
Voltage Slew Rate
T
j
=125
°
C , I
load
= 1A
T
j
=125
°
C, I
load
= 1A
0.4
0.8
dv/dt
0.2
2
V/
μ
s
Spindle Current Sense FET
linearity
Large signal
Linearity
small signal
BW
Current sense circuit linearity
(spin-up). 2000:1 current sense.
Current sense circuit linearity(at
speed). 500:1 current sense.
Current loop bandwidth small
signal (at speed)
Full scale current error
Current sense matching
1% to fullscale current
5
%FS
1% to 10% full scale
0.5
%
Lmotor 100
μ
H to 1
μ
H
20
KHz
FS
5
5
%FS
%
matching
25 to 250 mA
DAC AccelerationControl
res
NL
INL
FS
CT
FSTC
V
oh
V
ol
Gain1X
Gain5X
Step-upConverter
Resolution
Differential Non-linearity
Integral Non-linearity
Full scale accuracy
Conversion time
Full ScaleTemp Coefficient
Full scale
8
bits
LSB
LSB
%
ms
ppm/
°
C
V
V
0.5
1
5
10
250
1.245
0.3
554
2900
1.235
0
502
2400
1.25
0.2
525
Current Sense Gain at 500:1
Current Sense Gain at 2500:1
V
su3
Step-up converter voltage
(using Tripler as adoubler)
above 5V.
V
= 4.5 to 5.5 volts,
Maximum load
6
V
Digital Inputs
(Alldigital inputs are CMOScompatible)
V
ih
High level input voltage
I
in
= TBD
30%
V
dd
V
V
il
Low level input voltage
I
in
= TBD
70%
V
dd
V
V
oh
V
ol
I
in
High level output voltage
Low level output voltage
Input leakage current
I
out
= TBD
I
out
= TBD
T
j
=125
°
C
V
dd
-0.6
V
V
μ
A
0.4
-1
+1
Power On Reset
(Either low voltage detector can be disabledby trying the divider to a high voltage)
T
delay
Minimum delay power OK to
RESET high
Voltage reference
C
POR_DELAY
= 0.22*H
50.32
70.4
64.46
ms
V
ref
1.235
1.25
1.265
V
Retract
T
retract
Retract time before brake
power low detected
T
retract
= 0.4 x RC
TBD
TBD
ms
R
dson
Total switch circuitresistance
2 quadrant retract voltage
10
15
Ohms
μ
A
I for V
retract
V
BEMF
> PARK_Voltage
11
13
L6260
8/30
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