RT8284
Current Limit vs. Duty cycle
6.0
5.5
5.0
4.5
4.0
3.5
3.0
0
VIN = 4.5V to 23V, VOUT = 3.3V
10 20 30 40 50 60 70 80 90 100
Duty Cycle (%)
Load Transient Response
Current Limit VS. Temperature
6.0
5.5
5.0
4.5
4.0
3.5
3.0
-50 -25
VIN = 12V, VOUT = 3.3V
0
25 50 75
Temprature (°C)
100 125
Load Transient Response
VOUT
(100mV/Div)
VOUT
(100mV/Div)
IOUT
(1A/Div)
VOUT
(10mV/Div)
VSW
(10V/Div)
IL
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 0A to 2A
Time (100μs/Div)
Switching
IOUT
(1A/Div)
VOUT
(10mV/Div)
VSW
(10V/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 2A
Time (1μs/Div)
IL
(1A/Div)
DS8284-01 March 2011
VIN = 12V, VOUT = 3.3V, IOUT = 1A to 2A
Time (100μs/Div)
Switching
VIN = 12V, VOUT = 3.3V, IOUT = 1A
Time (1μs/Div)
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