RT7278
Power On from VIN
Power Off from VIN
V
IN
(5V/Div)
V
OUT
(1V/Div)
I
OUT
(2A/Div)
V
IN
(5V/Div)
V
OUT
(1V/Div)
I
OUT
(2A/Div)
V
IN
= 12V, V
OUT
= 1.05V, I
OUT
= 3A
V
IN
= 12V, V
OUT
= 1.05V, I
OUT
= 3A
Time (5ms/Div)
Time (10ms/Div)
Power On from EN
Power Off from EN
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
OUT
(2A/Div)
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
OUT
(2A/Div)
V
IN
= 12V, V
OUT
= 1.05V, I
OUT
= 3A
V
IN
= 12V, V
OUT
= 1.05V, I
OUT
= 3A
Time (1ms/Div)
Time (10μs/Div)
EN Current vs. EN Voltage
10
9
8
EN Current (μA)
7
6
5
4
3
2
1
0
0
2
4
6
8
10
12
V
IN
= 17V
14
16
18
EN Voltage (V)
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS7278-00 January 2013
www.richtek.com
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