RT8284N
Current Limit vs. Temperature
Load Transient Response
6.0
5.5
5.0
4.5
4.0
3.5
3.0
VOUT
(100mV/Div)
IOUT
(1A/Div)
VIN = 12V, VOUT = 3.3V
VIN = 12V, VOUT = 3.3V, IOUT = 0A to 2A
-50
-25
0
25
50
75
100
125
Time (100μs/Div)
Temprature (°C)
Load Transient Response
Switching
VOUT
(10mV/Div)
VOUT
(100mV/Div)
IL
(1A/Div)
VSW
(10V/Div)
IOUT
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 1A to 2A
VIN = 12V, VOUT = 3.3V, IOUT = 2A
Time (100μs/Div)
Time (1μs/Div)
Power On from VIN
Power Off from VIN
VIN
VIN
(5V/Div)
(5V/Div)
VOUT
VOUT
(2V/Div)
(2V/Div)
IL
IL
(1A/Div)
(1A/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 2A
Time (10ms/Div)
VIN = 12V, VOUT = 3.3V, IOUT = 2A
Time (10ms/Div)
Copyright 2012 Richtek Technology Corporation. All rights reserved.
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is a registered trademark of Richtek Technology Corporation.
DS8284N-03 May 2012
www.richtek.com
7
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