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L6269 数据表(PDF) 6 Page - STMicroelectronics

部件名 L6269
功能描述  12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL "COMBO?
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6269 数据表(HTML) 6 Page - STMicroelectronics

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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
Ω
Ω
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
850
650
1600
1150
mV
mV
mV
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
ms
ms
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
Ω
Ω
IO
Start-Up Current
2A
IO(LEAK)
Output Leakage Current
VCC = 14V
1.0
mA
dVO/dt
Output Slew Rate (Linear)
Rslew = 100k
Ω
0.2
0.3
0.5
V/
µs
Output Slew Rate (PWM)
Reg#8Eh, Bit 0 = 0
Reg#8Eh, Bit 0 = 1
10
20
V/
µs
V/
µs
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)
L6269
6/17



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