參數資料
型號: ML4425CS
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 運動控制電子
英文描述: Sensorless BLDC Motor Controller
中文描述: BRUSHLESS DC MOTOR CONTROLLER, 0.05 A, PDSO28
封裝: SOIC-28
文件頁數: 4/16頁
文件大小: 167K
代理商: ML4425CS
ML4425
PRODUCT SPECIFICATION
4
REV. 1.0.2 7/2/01
Electrical Characteristics
Unless otherwise specified, V
T
A
= Operating Temperature Range (Notes 1, 2)
DD
= 12V ± 10%, R
SENSE
= 1
, C
VCO
= 10nF, C
IOS
= 100pF, R
REF
= 137k
,
.
Symbol
Reference
Parameter
Conditions
Min.
Typ.
Max.
Units
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
Speed Control Loop
μA
SPEED SET Input Voltage
Range
0
V
REF
V
SPEED FB Input Voltage Range
0
V
REF
±20
V
SPEED COMP Output Current
±5
μA
SPEED SET Error Amp
Transconductance
V
V
SPEED SET
SPEED FB
= xV,
= yV
144
μ
Start-up
C
AT
Charging Current
C Suffix
0.68
0.98
μA
I Suffix
0.5
1.1
μA
C
AT
Threshold Voltage
1.4
1.7
V
C
RT
Charging Current
C Suffix
0.68
0.98
μA
I Suffix
0.5
1.1
μA
C
RT
Threshold Voltage
1.4
1.7
V
Voltage Controlled Oscillator
Frequency Range
R
VCO
R
VCO
7V
= 5V, SPEED FB = 6V
1.5
1.85
2.2
kHz
Frequency vs. SPEED FB
= 5V, 0.5V
SPEED FB
300
Hz/V
Current Limit
I
SENSE
Gain
V(I
LIMIT
)
2.5V
4.5
5.0
5.5
V/V
One Shot OFF-Time
C
IOS
= 100pF
C Suffix
9
18
μs
I Suffix
9
20
μs
Logic Inputs (BRAKE) (Note 3)
V
IH
Input High Voltage
2
V
V
IL
Input Low Voltage
0.8
V
I
IH
I
IL
Input High Current
V
IH
= 2.4V
2.4
mA
Input Low Current
V
IL
= 0.4V
2.9
mA
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相關代理商/技術參數
參數描述
ML4425CSX 功能描述:開關變換器、穩(wěn)壓器與控制器 BLDC Motor Control Sensorless RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
ML4425IH 制造商:MICRO-LINEAR 制造商全稱:MICRO-LINEAR 功能描述:Sensorless BLDC Motor Controller
ML4425IP 功能描述:開關變換器、穩(wěn)壓器與控制器 BLDC Motor Control Sensorless RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
ML4425IS 功能描述:開關變換器、穩(wěn)壓器與控制器 BLDC Motor Control Sensorless RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
ML4425ISX 功能描述:開關變換器、穩(wěn)壓器與控制器 BLDC Motor Control Sensorless RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel