RT7257EN Просмотр технического описания (PDF) - Richtek Technology
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RT7257EN Datasheet PDF : 15 Pages
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Preliminary
RT7257E
Current Limit vs. Temperature
8
7
VOUT
(100mV/Div)
6
5
4
3
2
-50 -25
VIN = 12V, VOUT = 3.3V
0
25 50 75
Temperature (°C)
100 125
IOUT
(2A/Div)
VOUT
(100mV/Div)
IOUT
(2V/Div)
Load Transient Response
VOUT
(10mV/Div)
VSW
(10V/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1.5A to 3A
Time (250μs/Div)
IL
(2A/Div)
Power On from VIN
Load Transient Response
VIN = 12V, VOUT = 3.3V, IOUT = 0.2A to 3A
Time (250μs/Div)
Switching
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (1μs/Div)
Power Off from VIN
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
VIN
(5V/Div)
VOUT
(2V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (5ms/Div)
7
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