RT6242A/B
Typical Operating Characteristics
Efficiency vs. Output Current
98
94
90
86
82
78
74
70
0
2
98
94
90
Efficiency vs. Output Current
Efficiency (%)
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
=
=
=
=
=
=
=
1V
1.1V
1.2V
1.5V
1.8V
3.3V
5V
Efficiency (%)
86
82
78
74
70
0
2
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
=
=
=
=
=
=
=
1V
1.1V
1.2V
1.5V
1.8V
3.3V
5V
RT6242A : PSM, V
IN
= 12V, f
SW
= 500kHz
4
6
8
10
12
RT6242B : PWM, V
IN
= 12V, f
SW
= 500kHz
4
6
8
10
12
Output Current (A)
Output Current (A)
Efficiency vs. Output Current
98
94
90
86
82
78
74
98
94
Efficiency vs. Output Current
Efficiency (%)
Efficiency (%)
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
=
=
=
=
=
=
1V
1.1V
1.2V
1.5V
1.8V
3.3V
90
86
82
78
74
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
V
OUT
=
=
=
=
=
=
1V
1.1V
1.2V
1.5V
1.8V
3.3V
RT6242A : PSM, V
IN
= 5V, f
SW
= 500kHz
70
0
2
4
6
8
10
12
70
0
2
RT6242B : PWM, V
IN
= 5V, f
SW
= 500kHz
4
6
8
10
12
Output Current (A)
Output Current (A)
Output Voltage vs. Input Voltage
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
4
6
8
10
12
14
16
18
Output Voltage vs. Input Voltage
1.30
1.28
1.26
RT6242A
RT6242B
Output Voltage (V)
Output Voltage (V)
1.24
1.22
1.20
1.18
1.16
1.14
I
OUT
= 0A
I
OUT
= 6A
I
OUT
= 9A
I
OUT
= 0A
I
OUT
= 6A
I
OUT
= 9A
V
OUT
= 1.2V
1.12
1.10
4
6
8
10
12
14
V
OUT
= 1.2V
16
18
Input Voltage (V)
Input Voltage (V)
Copyright
©
2016 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6242A/B-05 April 2016
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
