L6260 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
L6260 Datasheet PDF : 30 Pages
| |||
L6260
ELECTRICAL CHARACTERISTICS (continued)
Spindle Motor
Symbol
Io
Rdson Sink
Rdson Total
dv/dt
Parameter
Maximum Output Current
Sink On Resistance
Total drive resistance
Rdson sink + Rdson source
Voltage Slew Rate
Test Condition
Tj =125 °C , Iload = 1A
Tj =125 °C, Iload = 1A
Min.
1
0.2
Typ.
Max.
0.4
0.8
Units
A
Ohms
Ohms
2
V/µs
Spindle Current Sense FET
linearity Current sense circuit linearity 1% to full scale current
Large signal (spin-up). 2000:1 current sense.
Linearity Current sense circuit linearity(at 1% to 10% full scale
small signal speed). 500:1 current sense.
BW
Current loop bandwidth small Lmotor 100µH to 1 µH
20
signal (at speed)
FS
Full scale current error
matching Current sense matching
25 to 250 mA
5
%FS
0.5
%
KHz
5
%FS
5
%
DAC Acceleration Control
res
NL
INL
FS
CT
FSTC
Voh
Vo l
Gain1X
Gain5X
Resolution
Differential Non-linearity
Integral Non-linearity
Full scale accuracy
Conversion time
Full Scale Temp Coefficient
Current Sense Gain at 500:1
Current Sense Gain at 2500:1
Full scale
8
bits
0.5 LSB
1
LSB
5
%
10
ms
250 ppm/°C
1.235 1.25 1.245 V
0
0.2
0.3
V
502 525 554
2400
2900
Step-up Converter
Vsu3
Step-up converter voltage
Vdd = 4.5 to 5.5 volts,
6
V
(using Tripler as a doubler)
Maximum load
above 5V.
Digital Inputs (All digital inputs are CMOS compatible)
Vih
High level input voltage
I in = TBD
30%
V
Vdd
Vil
Low level input voltage
I in = TBD
70%
V
Vdd
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
µA
Power On Reset (Either low voltage detector can be disabled by trying the divider to a high voltage)
Td elay
Vref
Retract
Minimum delay power OK to
RESET high
Voltage reference
CPOR_DELAY = 0.22*H
50.32 70.4 64.46 ms
1.235 1.25 1.265 V
Tretract
Retract time before brake
Rdson
Total switch circuit resistance
I for Vretract 2 quadrant retract voltage
power low detected
Tretract = 0.4 x RC
VBEMF > PARK_Voltage
TBD
TBD ms
10 Ohms
11
13
15
µA
8/30
Share Link: 