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参数资料
| 型号： | L9907ND |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 0.8 A, PDSO20 |
| 封装： | SO-20 |
| 文件页数： | 3/8页 |
| 文件大小： | 159K |
| 代理商： | L9907ND |
ELECTRICAL CHARACTERISTICS (7V < VS < 18V, –40
°C < Tj < 150°C; unless otherwise specified.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Iq
Quiescent Current
IOUT = 0, (Output Open)
|Vdin| < 20mV (stop)
|Vdin| < 200mV (L or R)
7
6
9
7
mA
-VN-, VN+
Neutral Zone Threshold (2)
1.5 < VINC < VS -2V; VS = 12V
RPR =
∞
RPR = 0
3 x VST
120
240
4 x
VST
4 x VST
mV
-VST- ,VST+
Stop Range Threshold
1.5 < VINC < VS -2V; VS = 12V
RPR =
∞
RPR = 0
25
50
38
76
60
100
mV
VINCL
Control Input LOW Disable
Threshold
Tj = -40 to +25C
Tj = >25C
0.8
0.6
1.2
1.5
V
VINCH
VCH (3)
Control Input HIGH Disable
Threshold (4)
Outputs = ON
with RINC = 0
with RINC = 5K
with RINC = 10K
VS-2
VS-1.5
VS-1.4
V
Outputs = OFF
with RINC = 0
with RINC = 5K
with RINC = 10K
VS-0.8
VS-0.6
VS-0.4
V
IIN
Input Bias Current
1.5 < VINC < VS -2V; VS = 12V
Vdin = 0; RPR =
∞
Vdin =
± 200mV; RPR = ∞
Vdin = 0; RPR = 0
Vdin =
± 200mV; RPR = 0
0.45
0.9
0.8
1.5
2.0
4.0
3.6
6.8
A
VOSI
Output Saturation Voltage
Sink Stage
IOUT = 0.7A
IOUT = 0.35A
1.1
0.8
1.4
1.1
V
VOSO
Output Saturation Voltage
Source Stage
IOUT = 0.7A
IOUT = 0.35A
1.2
0.9
2
1.5
V
(2) With a programming resistor RPR between the PR pin and GND the N+ and N- thresholds can be adjusted from the nominal value (RPR =
∞
, pin PR open) up to two times the nominal value (RPR = 0, pin PR shorted to GND).
The formula defining VN+, VN- typical value as a function of RPR and VS is: –VN = VN+ = (36mV + 0.017 VS)
1
+
RPR
9.5K
1
+ 2
RPR
9.5K
.
for RPR =
∞ this formula reduced to:
-VN+ (RPR =
∞) = VN+ (RPR = ∞) = 18mV + 0.0086 VS.
for Vs in V and RPR in K
these formulas result in mV
(3) VCH is the control input voltage applied to the pin INC through a serial resistor RINC
(4) OUTPUTS = UNDEFINED for: VS -2V < VCH (RINC = 0
) < VS -0.8V
VS -1.5V < VCH (RINC = 5K
) < VS -0.6V
VS -1.4V < VCH (RINC = 10K
) < VS -0.4V
VN-
MOTOR
DIRECTION RIGHT
D95AT182
VH-
VH+
VN+
MOTOR
DIRECTION LEFT
VINC -VINF
NEUTRALZONE
STOP RANGE
VM =VOUTC -VOUTF
Figure 1: L9907N Differential Input to Output Transfer Characteristics
L9907N
3/8
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