L9909 데이터 시트보기 (PDF) - STMicroelectronics
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L9909 Datasheet PDF : 9 Pages
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PIN FUNCTIONS
N.
Name
1
GND
2
COSC
3
VFB
4
VCOM
5
M-
6
VCC
7
ROSC
8
M+
Ground
Oscillator Capacitor
Position Feedback Voltage
Position Command Voltage
Negative Motor Terminal
Power Supply
Oscillator Resistor
Positive Motor Terminal
Function
L9909
ELECTRICAL CHARACTERISTICS (VCC = 7 to 18V; Tj = -40 to 85°C, unless otherwise specified.)
Pin Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
POWER SUPPLY
VCC
ICC
Quiescent Supply Current
VCC_OV
VCC_OVdel
VCC_min
VCC_CL
Td_ov_1
Td_ov_2
Over Voltage Shut Down
Over Voltage Shut Down Delay
Minimum VCC Operating
Voltage - Other Parameter
may not be in spec
Battery Supply Clamp Voltage
Battery Supply Clamp Time
Battery Supply Clamp Time
IM+ = IM- = 0, IROSC = 100µA;
VCOSC = 0
Transients of Fig.5
Transients of Fig.5
Transients of Fig.4
10 mA
18
20 V
130
µs
5.5 V
70 80 V
130 1000 µs
1
ms
OSCILLATOR
COSC
ROSC
ROSC
COSC
TOUT
FOSC
ROSC
Vrosc
COSC
ICOSC
VTHCOSC
VTLCOSC
VLI NERR
Oscillator Resistor
Oscillator Capacitor
Timer Run Time
Oscillator Frequency
Voltage at ROSC pin
Current at COSC pin
High Threshold Voltage
Low Threshold Voltage
Voltage Ramp Linearity Error
ROSC 27KΩ; COSC = 10nF
ROSC 27KΩ
ROSC 27KΩ
10
100 KΩ
2
100 nF
16384
TOSC
430 530 630 Hz
14.2
%VCC
-20 IROSC 20
%
56.6 1000 %VCC
6.6 1000 %VCC
-20
20 %
3/9
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