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參數(shù)資料
| 型號(hào)： | L6254 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO” |
| 中文描述： | 12V的磁盤驅(qū)動(dòng)器主軸 |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 109K |
| 代理商： | L6254 |
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
THERMAL SENSING
T
SD
Shutdown Temperature
150
180
°
C
°
C
°
C
T
HYS
Hysteresis
60
T
EW
Early Warning
T
SD
-25
SUPPLY MONITOR
V
TR
Trip Point
Input Rising
1.92
2
2.08
V
V
HYS
Hysteresis Voltage
Input falling
100
mV
I
DLY
Porb Delay Current
TR_5V, TR_12V > V
TR
Vpordly = 2V
1.5
2
2.5
μ
A
R
on_por
Porb Pull Down Ron
V
dd
> 2V and sink 1mA
V
pordly
= 2V
500
V
DLY
Porb Dly Threshold
TR_5V, TR_12V > V
TR
2.5
3.0
3.5
V
I
IN
Input Current
V
IN
< 4V
-1
1
μ
A
VOLTAGE BOOST
V
BOOST
Output Voltage
V
CC
+5
V
CC
+6.3
V
F
osc
Internal Oscillator
130
200
250
kHz
SW1 OUTPUT
R
GATE
Gate Driver for External Mosfet
Internal Resistor to CP
200
k
V
GATE
Off Gate State Voltage for
External Mosfet
I
O
= 1mA V
CC
= 3.5V
0.7
V
DIGITAL LOGIC LEVELS
V
IH
V
IL
V
OH
Input Logic ”1”
V
DD
= 5.5V
V
DD
= 4.5V
I
SOURCE
= 20
μ
A
I
SOURCE
= -400
μ
A
2.4
V
Input Logic ”0”
0.5
V
Output Logic ”1”
V
dd
-0.2
V
V
OL
Output Logic ”0”
0.4
V
F
SYSCLK
System Clock
20
25
MHz
VCM, DAC
Resolution
14
Bits
Differential Linearity
1 LSB Change
-Tested
By design
-1
-0.5
1
0.5
LSB
Integral Linearity
9
Bits
Midscale Offset
Referenced to V
CC
/2
-5
5
mV
T
C
Convertion Time
5
μ
s
Full Scale Voltage
Referenced to V
CC
/2
±
1
V
Full Scale Error
-4
4
%
VCM, ERROR AMPLIFIER
A
VOL
Open Loop Gain
DC
50
db
V
OS
Input Offset Voltage
-5
5
mV
I
IB
Input Bias Current
-250
250
nA
ELECTRICAL CHARACTERISTICS
(Continued)
L6254
5/17
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L6256 | 12V COMBO |
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| L6258EX | PWM CONTROLLED - HIGH CURRENT DMOS UNIVERSAL MOTOR DRIVER |
| L6260 | 4.5 - 5.5V DISK DRIVER SPINDLE & VCM, POWER & CONTROL COMBO’S |
| L6268 | 12V DISK DRIVE SPINDLE & VCM, POWER & CONTROL “COMBO” |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6256 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:12V COMBO |
| L6258 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PWM controlled high current DMOS universal motor driver |
| L6258A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Stepper Motor Controller/Driver |
| L6258E | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Dual Full Bridge RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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