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參數(shù)資料
| 型號(hào)： | L6260 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 1.5 A, PQFP64 |
| 封裝： | TQFP-64 |
| 文件頁數(shù)： | 29/30頁 |
| 文件大?。?/td> | 440K |
| 代理商： | L6260 |
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ELECTRICAL CHARACTERISTICS (continued)
Spindle Motor
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Units
Io
Maximum Output Current
1
A
Rdson Sink
Sink On Resistance
Tj =125
°C , Iload = 1A
0.4
Ohms
Rdson Total
Total drive resistance
Rdson sink + Rdson source
Tj =125
°C, Iload = 1A
0.8
Ohms
dv/dt
Voltage Slew Rate
0.2
2
V/
s
Spindle Current Sense FET
linearity
Large signal
Current sense circuit linearity
(spin-up). 2000:1 current sense.
1% to full scale current
5
%FS
Linearity
small signal
Current sense circuit linearity(at
speed). 500:1 current sense.
1% to 10% full scale
0.5
%
BW
Current loop bandwidth small
signal (at speed)
Lmotor 100
H to 1 H
20
KHz
FS
Full scale current error
5
%FS
matching
Current sense matching
25 to 250 mA
5
%
DAC Acceleration Control
res
Resolution
Full scale
8
bits
NL
Differential Non-linearity
0.5
LSB
INL
Integral Non-linearity
1
LSB
FS
Full scale accuracy
5
%
CT
Conversion time
10
ms
FSTC
Full Scale Temp Coefficient
250
ppm/
°C
Voh
1.235
1.25
1.245
V
Vol
00.2
0.3
V
Gain1X
Current Sense Gain at 500:1
502
525
554
Gain5X
Current Sense Gain at 2500:1
2400
2900
Step-up Converter
Vsu3
Step-up converter voltage
(using Tripler as a doubler)
above 5V.
Vdd = 4.5 to 5.5 volts,
Maximum load
6V
Digital Inputs (All digital inputs are CMOS compatible)
Vih
High level input voltage
I in = TBD
30%
Vdd
V
Vil
Low level input voltage
I in = TBD
70%
Vdd
V
Voh
High level output voltage
I out = TBD
Vdd-0.6
V
Vol
Low level output voltage
I out = TBD
0.4
V
Iin
Input leakage current
Tj =125
°C+1
-1
A
Power On Reset (Either low voltage detector can be disabled by trying the divider to a high voltage)
Tdelay
Minimum delay power OK to
RESET high
CPOR_DELAY = 0.22*H
50.32
70.4
64.46
ms
Vref
Voltage reference
1.235
1.25
1.265
V
Retract
Tretract
Retract time before brake
power low detected
Tretract = 0.4 x RC
TBD
ms
Rdson
Total switch circuit resistance
10
Ohms
I for Vretract
2 quadrant retract voltage
VBEMF > PARK_Voltage
11
13
15
A
L6260
8/30
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