RT6239A/B
Typical Operating Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
98
98
94
90
86
82
78
74
70
94
90
VOUT = 1V
86
VOUT = 1V
VOUT = 1.1V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 3.3V
VOUT = 5V
VOUT = 1.1V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 3.3V
VOUT = 5V
82
78
74
RT6239A : PSM, VIN = 12V, fSW = 500kHz
70
RT6239B : PWM, VIN = 12V, fSW = 500kHz
0
0
4
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Output Current (A)
Output Current (A)
Efficiency vs. Output Current
Efficiency vs. Output Current
98
94
90
86
82
78
74
70
98
94
90
86
82
78
74
70
VOUT = 1V
VOUT = 1V
VOUT = 1.1V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 3.3V
VOUT = 1.1V
VOUT = 1.2V
VOUT = 1.5V
VOUT = 1.8V
VOUT = 3.3V
RT6239A : PSM, VIN = 5V, fSW = 500kHz
RT6239B : PWM, VIN = 5V, fSW = 500kHz
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Output Current (A)
Output Current (A)
Output Voltage vs. Input Voltage
Output Voltage vs. Input Voltage
1.10
1.10
1.09
1.08
1.07
1.06
1.05
1.04
1.03
1.02
RT6239A
RT6239B
1.09
1.08
1.07
1.06
1.05
1.04
1.03
1.02
IOUT = 0A
IOUT = 3A
OUT = 6A
IOUT = 0A
IOUT = 3A
OUT = 6A
I
I
IOUT = 9A
IOUT = 9A
VOUT = 1V
16
VOUT = 1V
16
6
8
10
12
14
18
4
6
8
10
12
14
18
Input Voltage (V)
Input Voltage (V)
Copyright 2016 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6239A/B-04 May 2016
www.richtek.com
11
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
