RT2101A
Typical Operating Characteristics
Efficiency vs. Output Current
100
90
80
100
90
80
Efficiency vs. Output Current
Efficiency (%)
Efficiency (%)
70
60
50
40
30
20
10
0
0.001
0.01
0.1
70
60
50
40
30
20
V
IN
= 3.3V
V
IN
= 5V
V
OUT
= 1.8V
1
10
10
0
0.001
0.01
0.1
V
IN
= 5V, V
OUT
= 3.3V
1
10
Output Current (A)
Output Current (A)
Reference Voltage vs. Temperature
0.85
1.85
Output Voltage vs. Output Current
Reference Voltage (V)
0.84
1.84
0.83
Output Voltage (V)
1.83
0.82
1.82
V
IN
= 5V
V
IN
= 3.3V
0.81
1.81
V
OUT
= 1.8V
0.80
-50
-25
0
25
50
75
100
125
1.80
0
0.5
1
1.5
2
2.5
3
Temperature (°C)
Output Current (A)
Frequency vs. Temperature
1000
1.02
1.01
Frequency vs. Input Voltage
980
1.00
Frequency (MHz)1
V
IN
= 3.3V, V
OUT
= 1.8V, I
OUT
= 1A
Frequency (kHz)1
0.99
0.98
0.97
0.96
0.95
0.94
0.93
0.92
3
3.5
4
4.5
960
940
920
V
OUT
= 1.8V, I
OUT
= 1A
5
5.5
6
900
-50
-25
0
25
50
75
100
125
Temperature (°C)
Input Voltage (V)
Copyright
©
2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2101A-07 March 2020
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
