RT9173B
Output Voltage vs. Temperature
Output Voltage vs. Temperature
1.26
1.255
1.25
0.91
0.905
0.9
VIN = 1.8V
VCNTL = 3.3V
VIN = 2.5V
VCNTL = 3.3V
1.245
1.24
0.895
0.89
-40 -25 -10
5
20 35 50 65 80 95 110 125
-40 -25 -10
5
20 35 50 65 80 95 110 125
(°C)
Temperature
Temperature
(°C)
0.9VTT @ 2A Transient Response
0.9VTT @ 2A Transient Response
VIN = 1.8V
VCNTL = 5V
VREFEN = 0.9V
Swing Frequency : 1kHz
VIN = 1.8V
VCNTL = 3.3V
VREFEN = 0.9V
Swing Frequency : 1kHz
100
100
0
0
-100
-100
2
0
2
0
-2
-2
Time (250us/Div)
Time (250us/Div)
1.25VTT @ 2A Transient Response
1.25VTT @ 2A Transient Response
VIN = 2.5V
VCNTL = 5V
VREFEN= 1.25V
Swing Frequency : 1kHz
VIN = 2.5V
VCNTL = 3.3V
VREFEN = 1.25V
Swing Frequency : 1kHz
100
0
100
0
-100
-100
2
0
2
0
-2
-2
Time (250us/Div)
Time (250us/Div)
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DS9173B-09 March 2007
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
