RT2657BQ
Power On from EN
Power Off from EN
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
OUT
(500mA/Div)
V
EN
(2V/Div)
V
OUT
(1V/Div)
I
OUT
(500mA/Div)
V
IN
= 5V, V
OUT
= 1.8V, I
OUT
= 0.6A
V
IN
= 5V, V
OUT
= 1.8V, I
OUT
= 0.6A
Time (100μs/Div)
Time (100μs/Div)
UVLO vs. Temperature
2.8
2.6
1.00
0.95
0.90
EN Threshold vs. Temperature
EN Threshold (V)
2.4
0.85
0.80
0.75
0.70
0.65
0.60
UVLO (V)
Rising
2.2
2.0
Rising
Falling
1.8
Falling
V
IN
= 5V, V
OUT
= 1.2V
-50
-25
0
25
50
75
100
125
V
OUT
= 1.2V
1.6
-50
-25
0
25
50
75
100
125
0.55
0.50
Temperature (°C)
Temperature (°C)
Copyright
©
2014 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2657BQ-00 July 2014
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
