RT6272A/B
Typical Operating Characteristics
L : WE-74404054010 (DCR = 12m) for VOUT = 1V and 1.8V.
L : WE-74404054022 (DCR = 19m) for VOUT = 3.3V and 5V.
Efficiency vs. Output Current
Efficiency vs. Output Current
100
100
90
80
70
60
50
40
30
20
10
0
90
80
70
V
V
V
= 3.3V
= 1.8V
= 1V
OUT
OUT
OUT
V
V
V
V
= 5V
OUT
OUT
OUT
OUT
60
50
40
30
20
10
0
= 3.3V
= 1.8V
= 1V
RT6272A, V = 12V
IN
RT6272A, V = 5V
IN
0.001
0.01
0.1
1
10
10
2
0.001
0.01
0.1
1
10
Output Current (A)
Output Current (A)
Efficiency vs. Output Current
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
V
V
V
= 3.3V
= 1.8V
= 1V
OUT
OUT
OUT
V
V
V
V
= 5V
OUT
OUT
OUT
OUT
= 3.3V
= 1.8V
= 1V
RT6272B, V = 5V
IN
RT6272B, V = 12V
IN
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
Output Current (A)
Output Current (A)
Output Voltage vs. Output Current
Output Voltage vs. Output Current
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
5.50
5.25
5.00
4.75
4.50
RT6272A, V = 9V
IN
RT6272A, V = 5V
IN
RT6272B, V = 9V
IN
RT6272B, V = 5V
IN
RT6272A, V = 12V
IN
RT6272A, V = 12V
IN
RT6272B, V = 12V
IN
RT6272B, V = 12V
IN
V
= 1V
OUT
V
= 5V
OUT
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6 1.8
2
Output Current (A)
Output Current (A)
Copyright © 2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6272A/B-00 January 2020
www.richtek.com
11
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
