L9949 데이터 시트보기 (PDF) - STMicroelectronics
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L9949 Datasheet PDF : 20 Pages
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L9949
ELECTRICAL CHARACTERISTCS (continued)
VS = 8 to 16 V, VCC = 4.5 to 5.5 V, Tj = -40 to 150 °C, unless otherwise specified. The voltages are refered to
GND and currents are assumed positive, when the current flows into the pin.
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
(1) Parameter is measured at -40°C and 25°C. Value for 85°C is guaranteed by design
Over- and undervoltage detection
VSUV ON VS UV-Threshold Voltage
VSUV OFF VS UV-Threshold Voltage
VSUV hyst VS UV-hysteresis
VSOV OFF VS OV-threshold voltage
VSOV ON VS OV-threshold voltage
VSOV VS OV-hysteresis
hyst
VVCC OFF Power-on-reset Threshold
VVCC ON Power-on-reset Threshold
VVCC Power-on-reset Hysteresis
hyst
Current Monitor Output
VS increasing
VS decreasing
VSUV ON – VSUV OFF
VS increasing
VS decreasing
VSOV OFF – VSOV ON
VCC increasing
VCC decreasing
VVCC OFF – VVCC ON
7.6
V
6
V
0.6
V
22
V
18
V
1
V
4.2
V
3.4
4
V
0.3
V
VCM
ICM,r
Functional Voltage Range
Current Monitor Output Ratio:
ICM / IOUT1,2,6
VCC = 5 V
0 V ≤ VCM ≤ 4 V
0
4
V
1----0---01---0----0--
-
ICM acc Current Monitor Accuracy
0V ≤ VCM ≤ 4V,
ICM =50µA, 600 µA
(FS=full scale=600µA)
Outputs: OUT1 - OUT6
RON OUT1 On-resistance to Supply or GND VS = 13.5 V, Tj = 25 °C,
IOUT1 = ± 3.0 A
VS = 13.5 V, Tj = 125 °C,
IOUT1 = ± 3.0 A
VS = 8.0 V, Tj = 25 °C,
IOUT1 = ± 3.0 A
RON OUT2 On-resistance to Supply or GND VS = 13.5 V, Tj = 25 °C,
IOUT2 = ± 3.0 A
VS = 13.5 V, Tj = 125 °C,
IOUT2 = ± 3.0 A
VS = 8.0 V, Tj = 25 °C,
IOUT2 = ± 3.0 A
4%
8%
+
+
1%FS 2%FS
150 mΩ
225 mΩ
180 mΩ
150 mΩ
225 mΩ
180 mΩ
7/20
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