RT6258B/C
Typical Operating Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
100
100
90
90
VIN = 7.4V
VIN = 7.4V
VIN = 12V
80
VIN = 12V
IN = 19V
V
VIN = 19V
80
70
60
50
70
RT6258B, EN = 2.4V, VOUT = 3.3V, Normal Mode
RT6258C, EN = 2.4V, VOUT = 5.1V, Normal Mode
60
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Output Current (A)
Output Current (A)
Switching Frequency vs. Output Current
Switching Frequency vs. Output Current
600
500
400
300
200
100
0
800
700
600
500
400
300
200
100
0
RT6258B, EN = 2.4V, VOUT = 3.3V, Normal Mode
RT6258C, EN = 2.4V, VOUT = 5.1V,
Normal Mode
VIN = 7.4V
VIN = 12V
VIN = 7.4V
VIN = 12V
VIN = 19V
VIN = 19V
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Output Current (A)
Output Current (A)
Output Voltage vs. Output Current
Output Voltage vs. Output Current
3.40
3.35
3.30
3.25
3.20
5.20
5.15
5.10
5.05
5.00
4.95
4.90
VIN = 12V
VIN = 7.4V
VIN = 19V
VIN = 19V
VIN = 12V
VIN = 7.4V
RT6258C, EN = 2.4V, VOUT = 5.1V, Normal Mode
RT6258B, EN = 2.4V, VOUT = 3.3V, Normal Mode
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Output Current (A)
Output Current (A)
Copyright 2019 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6258B/C-02 October 2019
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
