參數(shù)資料
型號(hào)： L6275
廠商： 意法半導(dǎo)體
英文描述： 5V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”
中文描述： 5V的磁盤驅(qū)動(dòng)器主軸
文件頁數(shù)： 6/17頁
文件大?。?/td> 109K
代理商： L6275
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Vclamp
Output Clamp Voltage
-1mA < I
O
< 1mA
Lowside/Highside clamp
V
dd
/2
±
1.4V
V
F
ODB
Unity Gain Bandwidth
10
MHz
VCM, POWER STAGE
R
DS(ON)
Output ON Resistance (Each
device)
T
j
= 25
°
C
T
j
= 125
°
C
0.5
0.8
I
O
Operating Current
1.3
A
I
O(LEAK)
Output Leakage Current
V
CC
= 5.5V
1.0
mA
VCM, CURRENT SENSEAMPLIFIER
A
V
Voltage Gain
3.88
4
4.12
V/V
V
ICM
Input Common Mode Range
-0.3
V
dd
+0.3
V
V
OCM
Output Common Mode Range
-3mA < I
O
< 3mA
SENSE_IN (
±
) = V
dd
/2
2
V
dd
-2
V
V
OS
Output Offset Voltage
-15
15
mV
F
3dB
3dB Bandwidth
1
MHz
CMRR
Input Common Mode Rejection
50
dB
PSRR
Power Supply Rejection Ratio
60
dB
VCM, RETRACT
V
park
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
0.850
0.650
1.600
1.150
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
160
320
80
160
ms
ms
ms
ms
SPINDLE, PWM CURRENT SENSE COMPARATOR
T
DLY
Delay to FCOM Out
200
500
ns
SPINDLE, POWER STAGE
R
DS(ON)
Output On Resistance (Each
device)
T
j
= 25
°
C
T
j
= 125
°
C
0.45
0.74
I
O
Start-Up Current
2
A
I
O(LEAK)
Output Leakage Current
VCC = 14V
1.0
mA
dV
O
/d
t
Output Slew Rate (Linear)
R
slew
= 100k
0.2
0.3
0.5
V/
μ
s
V/
μ
s
V/
μ
s
mVp-p
Output Slew Rate (PWM)
Reg#8Eh, Bit 0 = 0
Reg#8Eh, Bit 0 = 1
10
20
BEMF
MIN
Minimum BENF Voltage for
Detection
20
28
40
V
HYS
Hysteresis
15
mV
FLL CHARGE PUMP OUTPUT
I
LEAK
Off State Leakage
0 < Vfll_res , 3V
-50
+50
nA
I
O
On State Current
FLL_RES = 62k
ICP = ”1”
ICP = ”0”
22
80
25
100
32
120
μ
A
μ
A
V
V
RCP
Current Set Voltage
FLL_RES = 62k
1.18
1.225
1.25
ELECTRICAL CHARACTERISTICS
(Continued)
L6275
6/17
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