RT8105 Просмотр технического описания (PDF) - Richtek Technology
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RT8105 Datasheet PDF : 12 Pages
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RT8105
Inductor
Current
(20A/Div)
VOUT
(2V/Div)
UGATE
(20V/Div)
LGATE
(20V/Div)
Over Current Protection
Low side MOSFET RDS(ON) = 9MΩ
VIN = VCC = 12V, VOUT = 1.5V, ROCSET = 15.4kΩ
Time (20μs/Div)
Short Circuit Over Current Protection
VIN = VCC = 12V, Low side MOSFET RDS(ON) = 6MΩ
ROCSET = 15kΩ
Inductor
Current
(20A/Div)
VOUT
(1V/Div)
UGATE
(50V/Div)
LGATE
(20V/Div)
short circuit output terminal than power up
Time (2ms/Div)
Reference Voltage vs. Temperature
0.816
0.812
0.808
0.804
0.800
0.796
0.792
0.788
0.784
-40 -25 -10
VIN = VCC = 5V, No Load
5 20 35 50 65 80 95 110 125
Temperature (°C)
Switching Frequency vs. Temperature
400
380
360
340
320
300
280
260
240
220
200
-40 -25 -10
VIN = VCC = 5V, No Load
5 20 35 50 65 80 95 110 125
Temperature (°C)
DS8105-03 April 2011
www.richtek.com
7
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