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參數(shù)資料
| 型號： | L9909 |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | DC MOTOR DRIVER WITH POSITION CONTROL |
| 中文描述： | 直流電動機驅動器，帶有位置控制 |
| 文件頁數(shù)： | 4/9頁 |
| 文件大小： | 72K |
| 代理商： | L9909 |
ELECTRICAL CHARACTERISTICS
(continued.)
Pin
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT OUTPUT TRANSER FUNCTION
VCOM
VFB
COSC
M+
M -
V
off_c1
Comp 1 Input Offset Voltage
A
V
Input Output Gain
7
10
14
V
STP
Stop Motor Voltage
V
STP
= 2 V
R4
2.5
3
3.5
V
V
STR
Start Error Voltage
V
STR
= V
R7/5
1
1.5
2
%V
CC
Error Voltage when the motor
starts braking
-20
20
mV
T
on
Switch on Delay
1
2
T
OSC
T
off
Switch off Delay
1
2
T
OSC
VCOM
VFB
R
diff
Differential Input Impedance
(see fig 3)
2V
COM
V
FB
I
com
I
FB
100
300
K
R
com
Common Mode Input (seefig 3)
V
COM
+
V
FB
I
com
+
I
FB
50
K
OUTPUT DRIVERS
M+
M -
R
ON_H
High Side R
DS
I
M+
= I
M-
= 0.3A; V
CC
=13.5V
I
M+
= I
M-
= 0.3A; V
CC
=7V
I
M+
= I
M-
= 0.3A; V
CC
=13.5V
I
M+
= I
M-
= 0.3A; V
CC
=7V
0.6
1.5
A
1
2.6
R
ON_L
Low Side RDS
0.6
1.5
1
2.6
I
LIM
Output Current Limit for each
of 4 Output Transistors
Separately
1
1.9
T
R
Output Rise Time
20% to 80%
20
μ
s
μ
s
V
T
F
Output Fall Time
80% to20%
20
V
MTRAN
|V(M+) - V(M-)| Output Voltage
During V
CC
Transients
Transients of figs.4 and5
20
T
HSHDN
ThermalShutdown
170
°
C
V
OUT
Vcc
Vcc
V
OUT
Verr
=10
-Vcc
-Vcc
V
STR
=
1.5% Vcc
V
STP
Vcc-V
STP
10
Verr
-V
STP
V
STR
=
-1.5% Vcc
Vcc-V
STP
10
Figure 1.
Static TransferCharacteristic.Error
Voltagevs. OutputVoltage
V
OUT
Vcc
100
V
OUT
Verr
=10
-100
-Vcc
1.5
Perr [%]
-V
STP
-1.5
V
STP
10 (1V
STP
Vcc
-10 (1V
STP
Vcc
Figure2.
Static TransferCharacteristic.Position
Error Voltagevs. Output Voltage
Perr = Verr/V
CC
L9909
4/9
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| L9911F | 功能描述:低壓差穩(wěn)壓器 - LDO Car Alternator Reg Multifunction Volt RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| L9911I | 功能描述:低壓差穩(wěn)壓器 - LDO Car Alternator Reg Multifunction Volt RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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