RT8057A
Output Voltage vs. Temperature
2.35
2.34
2.33
Reference Voltage vs. Temperature
0.608
0.606
Reference Voltage (V)
V
IN
= 5V, V
OUT
= 2.3V,
I
OUT
= 0A
-50
-25
0
25
50
75
100
125
Output Voltage (V)
0.604
0.602
0.600
0.598
0.596
0.594
2.32
2.31
2.30
2.29
2.28
2.27
2.26
2.25
V
IN
= 5V, V
OUT
= 2.3V
0.592
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Output Ripple
Output Ripple
V
LX
(5V/Div)
V
LX
(5V/Div)
V
OUT
(5mV/Div)
V
OUT
(5mV/Div)
V
IN
= 5V, V
OUT
= 2.3V, I
OUT
= 1A
V
IN
= 3.3V, V
OUT
= 2.3V,
I
OUT
= 1A
Time (250ns/Div)
Time (250ns/Div)
Load Transient Response
Load Transient Response
V
OUT
(100mV/Div)
V
OUT
(100mV/Div)
I
OUT
(500mA/Div)
V
IN
= 5V, V
OUT
= 2.3V,
I
OUT
= 0A to 1A
I
OUT
(500mA/Div)
V
IN
= 5V, V
OUT
= 2.3V,
I
OUT
= 0.4A to 1A
Time (100μs/Div)
Time (100μs/Div)
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6
DS8057A-00 March 2011
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
