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参数资料
| 型号： | L6254 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | DISK DRIVE MOTOR CONTROLLER, 2.1 A, PQFP44 |
| 封装： | 10 X 10 MM, TQFP-44 |
| 文件页数： | 14/17页 |
| 文件大小： | 170K |
| 代理商： | L6254 |
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VICM
Input Common Mode Range
VCC/2-
0.5
VCC/2+
0.5
V
Vclamp
Output Clamp Voltage
-1mA < IO < 1mA
Lowside/Highside clamp
VCC/2
±
2.2V
V
FODB
Unity Gain Bandwidth
10
MHz
VCM, POWER STAGE
RDS(ON)
Output ON Resistance (Each
device)
Tj = 25°C
Tj = 125°C
0.5
0.8
IO
Operating Current
1.3
A
IO(LEAK)
Output Leakage Current
VCC = 14V
1.0
mA
VCM, CURRENT SENSE ANPLIFIER
AV
Voltage Gain
3.88
4
4.12
V/V
VICM
Input Common Mode Range
-0.3
VCC+0.3
V
VOCM
Output Common Mode Range
-3mA < IO < 3mA
2
VCC-2
V
VOS
Output Offset Voltage
SENSE_IN (
±) = VCC/2
-15
15
mV
F3dB
3dB Bandwidth
1
MHz
CMRR
Input Common Mode Rejection
50
dB
PSRR
Power Supply Rejection Ratio
60
dB
VCM, RETRACT
Vpark
RETRACT VOLTAGE
PKV_1 = 0 & PKV_2 = 0
PKV_1 = 0 & PKV_2 = 1
PKV_1 = 1 & PKV_2 = 0
PKV_1 = 1 & PKV_2 = 1
725
531
398
1080
mV
Tretract
Retract Time
limited by the internal oscillator
200kHz
RT0 = 0 & RT1 = 0
RT0 = 0 & RT1 = 1
RT0 = 1 & RT1 = 0
RT0 = 1 & RT1 = 1
320
640
160
320
ms
SPINDLE, PWM CURRENT SENSE COMPARATOR
TDLY
Delay to FCOM Out
200
500
ns
SPINDLE, POWER STAGE
RDS(ON)
Output On Resistance (Each
device)
Tj = 25°C
Tj = 125°C
0.45
0.74
IO
Start-Up Current
2A
IO(LEAK)
Output Leakage Current
VCC = 14V
1.0
mA
dVO/dt
Output Slew Rate (Linear)
Rslew = 100k
0.2
0.3
0.5
V/
s
Output Slew Rate (PWM)
Reg#8Eh, Bit 0 = 0
Reg#8Eh, Bit 0 = 1
10
20
V/
s
V/
s
BEMFMIN
Minimum BENF Voltage for
Detection
20
28
40
mVp-p
VHYS
Hysteresis
15
mV
FLL CHARGE PUMP OUTPUT
ILEAK
Off State Leakage
0 < Vfll_res , 3V
-50
+50
nA
ELECTRICAL CHARACTERISTICS (Continued)
L6254
6/17
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