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L6268 데이터 시트보기 (PDF) - STMicroelectronics
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L6268
12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO”
STMicroelectronics
L6268 Datasheet PDF : 17 Pages
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ELECTRICAL CHARACTERISTICS
(Continued)
Symbol
Parameter
THERMAL SENSING
T
SD
Shutdown Temperature
T
HYS
Hysteresis
T
EW
Early Warning
SUPPLY MONITOR
V
TR
Trip Point
V
HYS
Hysteresis Voltage
I
DLY
Porb Delay Current
R
on_por
Porb Pull Down Ron
V
DLY
I
IN
Porb Dly Threshold
Input Current
VOLTAGE BOOST
V
BOOST
Output Voltage
F
osc
Internal Oscillator
SW1 OUTPUT
R
GATE
Gate Driver for External Mosfet
V
GATE
Off Gate State Voltage for
External Mosfet
DIGITAL LOGIC LEVELS
V
IH
Input Logic ”1”
V
IL
Input Logic ”0”
V
OH
Output Logic ”1”
V
OL
Output Logic ”0”
F
SYSCLK
System Clock
VCM, DAC
Resolution
Differential Linearity
Integral Linearity
Midscale Offset
T
C
Convertion Time
Full Scale Voltage
Full Scale Error
VCM, ERROR AMPLIFIER
A
VOL
V
OS
Open Loop Gain
Input Offset Voltage
I
IB
Input Bias Current
Test Condition
Input Rising
Input falling
TR_5V, TR_12V > V
TR
Vpordly = 2V
V
dd
> 2V and sink 1mA
V
pordly
= 2V
TR_5V, TR_12V > V
TR
V
IN
< 4V
Internal Resistor to CP
I
O
= 1mA V
CC
= 3.5V
V
DD
= 5.5V
V
DD
= 4.5V
I
SOURCE
= 20
µ
A
I
SOURCE
= -400
µ
A
1 LSB Change
-Tested
By design
Referenced to V
CC
/2
Referenced to V
CC
/2
DC
L6268
Min. Typ. Max. Unit
150
180
°
C
60
°
C
T
SD
-25
°
C
1.92
2
2.08
V
100
mV
1.5
2
2.5
µ
A
500
Ω
2.5
3.0
3.5
V
-1
1
µ
A
V
CC
+5
130
V
CC
+6.3 V
200 250 kHz
200
k
Ω
0.7
V
2.4
V
dd
-0.2
20
V
0.5
V
V
0.4
V
25 MHz
14
Bits
-1
-0.5
9
-5
±
1
-4
1
LSB
0.5
Bits
5
mV
5
µ
s
V
4
%
50
-5
-250
db
5
mV
250
nA
5/17
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