RT6218A/B
Typical Operating Characteristics
Efficiency vs. Output Current
100
90
80
V
OUT
= 3.3V
100
90
80
Efficiency vs. Output Current
Efficiency (%)
Efficiency (%)
70
60
50
40
30
20
10
0
0.001
0.01
70
60
50
40
30
20
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 1.8V
V
OUT
= 1.05V
V
OUT
= 1.8V
V
OUT
= 1.05V
RT6218A, V
IN
= 5V
0.1
1
10
10
0
0.001
0.01
0.1
RT6218A, V
IN
= 12V
1
10
Output Current (A)
Output Current (A)
Efficiency vs. Output Current
100
90
80
100
90
80
Efficiency vs. Output Current
Efficiency (%)
60
50
40
30
20
10
0
0.001
0.01
0.1
V
OUT
= 1.8V
V
OUT
= 1.05V
Efficiency (%)
70
V
OUT
= 3.3V
70
60
50
40
30
20
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 1.8V
V
OUT
= 1.05V
RT6218B, V
IN
= 5V
1
10
10
0
0.001
0.01
0.1
RT6218B, V
IN
= 12V
1
10
Output Current (A)
Output Current (A)
Output Voltage vs. Output Current
1.40
RT6218A
1.35
1.210
1.220
Output Voltage vs. Temperature
Output Voltage (V)
1.30
1.25
1.20
V
IN
= 18V
1.15
1.10
0
0.5
1
1.5
2
2.5
3
V
IN
= 12V
V
OUT
= 1.2V
Output Voltage (V)
1.200
1.190
1.180
1.170
V
OUT
= 1.2V, I
OUT
= 1A
1.160
-50
-25
0
25
50
75
100
125
V
IN
= 12V
V
IN
= 18V
Output Current (A)
Temperature (°C)
Copyright © 2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6218A/B-01
October
2018
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
