RT5707/A
Typical Operating Characteristics
Efficiency vs. Load Current
100
95
90
85
80
75
70
100
90
80
70
60
50
40
Efficiency vs. Load Current
Efficiency (%)
V
IN
= 3.6V
V
IN
= 4.2V
V
IN
= 5V
Efficiency (%)
V
IN
= 2.5V
V
IN
= 3V
V
IN
= 3.6V
V
OUT
= 3.3V
65
0.001
0.01
0.1
1
10
100
1000
30
0.001
0.01
0.1
1
10
V
OUT
= 0.7V
100
1000
Load Current (mA)
Load Current (mA)
Switching Frequency vs. Load Current
2.0
70
Output Voltage Ripple
Output Voltage Ripple (mVpp)
60
50
40
30
20
10
Switching Frequency (MHz)
1
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
100
200
300
400
V
IN
= 5V
V
IN
= 4.2V
V
IN
= 3.8V
V
IN
= 5.5V
V
IN
= 5V
V
IN
= 4.2V
V
OUT
= 3.3V
V
OUT
= 3.3V
500
600
0
0.001
0.01
0.1
1
10
100
1000
Load Current (mA)
Load Current (mA)
Output Voltage Ripple
22.5
Quiescent Current
1.0
Output Voltage Ripple (mVpp)
V
OUT
= 0.7V
V
OUT
= 3.3V
Quiescent Current (μA)
20.0
17.5
15.0
12.5
10.0
7.5
0.001
0.9
0.8
0.7
0.6
0.5
0.4
0.3
V
IN
= 2.5V
V
IN
= 3V
V
IN
= 3.6V
Switching
Non-switching
0.01
0.1
1
10
100
1000
3.5
3.7
3.9
4.1
4.3
4.5
4.7
4.9
5.1
5.3
5.5
Load Current (mA)
Input Voltage (V)
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS5707/A-03 February 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
