RT8283A 데이터 시트보기 (PDF) - Richtek Technology
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RT8283A Datasheet PDF : 15 Pages
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RT8283A
Current Limit vs. Duty Cycle
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
0
VIN = 4.5V to 23V, VOUT = 3.3V
10 20 30 40 50 60 70 80 90 100
Duty Cycle (%)
Load Transient Response
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
-50
Current Limit vs. Temperature
VIN = 12V, VOUT = 3.3V
-25 0
25 50 75 100 125
Temprature (°C)
Load Transient Response
VOUT
(200mV/Div)
VOUT
(200mV/Div)
IOUT
(2A/Div)
VOUT
(10mV/Div)
VSW
(10V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 0A to 3A
Time (100μs/Div)
Switching
IOUT
(2A/Div)
VOUT
(10mV/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 3A
Time (1μs/Div)
VSW
(10V/Div)
IL
(2A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1.5A to 3A
Time (100μs/Div)
Switching
VIN = 12V, VOUT = 3.3V, IOUT = 1.5A
Time (1μs/Div)
DS8283A-01 March 2011
www.richtek.com
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