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L9907N Datasheet(PDF) 3 Page - STMicroelectronics

Part # L9907N
Description  MOTOR BRIDGE FOR HEADLIGHT ADJUSTMENT
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9907N Datasheet(HTML) 3 Page - STMicroelectronics

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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
mA
-VN-, VN+
Neutral Zone Threshold (2)
1.5 < VINC <VS -2V; VS = 12V
RPR =
RPR =0
3x VST
3x VST
120
240
4x
VST
4x VST
mV
mV
-VST- ,VST+
Stop Range Threshold
1.5 < VINC < VS -2V; VS = 12V
RPR =
RPR =0
25
50
38
76
60
100
mV
mV
VINCL
Control Input LOW Disable
Threshold
Tj = -40 to +25ºC
Tj = >25ºC
0.8
0.6
1.2
1.2
1.5
1.5
V
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
V
V
Outputs = OFF
with RINC =0
with RINC =5K
with RINC = 10K
VS-0.8
VS-0.6
VS-0.4
V
V
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
µA
µA
µA
µA
VOSI
Output Saturation Voltage
Sink Stage
IOUT = 0.7A
IOUT = 0.35A
1.1
0.8
1.4
1.1
V
V
VOSO
Output Saturation Voltage
Source Stage
IOUT = 0.7A
IOUT = 0.35A
1.2
0.9
2
1.5
V
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
Ω 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
Ω)< VS -0.8V
V S -1.5V < VCH (RINC =5K
Ω)< VS -0.6V
V S -1.4V < VCH (RINC = 10K
Ω)< VS -0.4V
VN-
MOTOR
DIRECTION RIGHT
D95AT182
V
H-
VH+
V
N+
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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