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參數(shù)資料
| 型號(hào)： | ML4426 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Bi-directional Sensorless BLDC Motor Controller(雙向無傳感無刷直流電機(jī)控制器) |
| 中文描述： | 雙向傳感器無刷直流電機(jī)控制器（雙向無傳感無刷直流電機(jī)控制器） |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 1089K |
| 代理商： | ML4426 |
ML4426
4
REV. 1.0 10/10/2000
ELECTRICAL CHARACTERISTICS
Unless otherwise specified,V
DD
= 12V
±
10%, R
SENSE
= 1
, C
VCO
= 10nF, C
IOS
= 100pF, R
REF
= 137k
,
T
A
= Operating Temperature Range (Notes 1, 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFERENCE
V
REF
Total Variation
Line, Temp
6.5
6.9
7.5
V
PWM OSCILLATOR
Total Variation
C
T
= 1nF
28
kHz
Ramp Peak
3.9
V
Ramp Valley
1.7
V
Ramp Charging Current
μ
A
SPEED CONTROL LOOP
SPEED SET Input Voltage Range
0
V
REF
V
SPEED FB Input Voltage Range
0
V
REF
V
SPEED COMP Output Current
±
5
±
20
μ
A
SPEED SET Error Amp Transconductance
V
SPEED SET
= xV, V
SPEED FB
= yV
144
μ
START-UP
C
AT
Charging Current
C Suffix
0.68
0.98
μ
A
I Suffix
0.5
1.1
μ
A
C
AT
Threshold Voltage
1.4
1.7
V
C
RT
Charging Current
C Suffix
0.68
0.98
μ
A
I Suffix
0.5
1.1
μ
A
C
RT
Threshold Voltage
1.4
1.7
V
VOLTAGE CONTROLLED OSCILLATOR
Frequency Range
R
VCO
= 5V, SPEED FB = 6V
1.5
1.85
2.2
kHz
Frequency vs. SPEED FB
R
VCO
= 5V, 0.5V
≤
SPEED FB
≤
7V
300
Hz/V
CURRENT LIMIT
I
SENSE
Gain
4.5
5.0
5.5
V/V
One Shot OFF-Time
C
IOS
= 100pF
C Suffix
9
18
μ
s
I Suffix
9
20
μ
s
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
V
DD
...........................................................................14V
Logic Inputs (
BRAKE
, F/
R
).....................GND - 0.3 to 7V
All Other Inputs and Outputs . GND -0.3V to V
DD
+ 0.3V
Output Current (LA, LB, LC,
HA
,
HB
,
HC
) ............
±
50mA
Junction Temperature ............................................. 150oC
Storage Temperature Range ......................–65oC to 150oC
Lead Temperature (Soldering 10 sec.) ..................... 260oC
Thermal Resistance (
θ
JA
)
28-Pin Narrow PDIP .......................................... 48oC/W
28-Pin SOIC...................................................... 75oC/W
32-Pin TQFP......................................................80oC/W
OPERATING CONDITIONS
Temperature Range
ML4426CX ................................................. 0oC to 70oC
ML4426IX............................................... –40oC to 85oC
V
DD
......................................................... 10.8V to 13.2V
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PDF描述 |
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| ML4428 | Sensorless Smart-Start BLDC PWM Motor Controller(無傳感智能啟動(dòng)無刷直流PWM電機(jī)控制器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ML4426 WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| ML4426CH | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Bi-directional Sensorless BLDC Motor Controller |
| ML4426CP | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Bi-directional Sensorless BLDC Motor Controller |
| ML4426CS | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| ML4426IH | 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Bi-directional Sensorless BLDC Motor Controller |
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