RT7238B/C/D/E
Typical Operating Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
100.0
95.0
90.0
85.0
80.0
100.0
RT7238C
RT7238B
95.0
VIN = 8V
IN = 12V
VIN = 19V
V
VIN = 8V
90.0
VIN = 12V
VIN = 19V
85.0
EN = 2V
1.000 10.000
EN1 = EN2 = 2V
1.000 10.000
80.0
0.001
0.010
0.100
0.001
0.010
0.100
Output Current (A)
Output Current (A)
Efficiency vs. Output Current
Switching Frequency vs. Output Current
100.0
95.0
90.0
85.0
80.0
75.0
600.0
500.0
400.0
300.0
200.0
100.0
0.0
RT7238D
RT7238B
VIN = 8V
VIN = 12V
VIN = 19V
VIN = 8V
VIN = 12V
VIN = 19V
EN1 = EN2 = 2V
1.000 10.000
EN= 2V, VOUT = 1.05V
1.000 10.000
0.001
0.010
0.100
0.001
0.010
0.100
Output Current (A)
Output Current (A)
Switching Frequency vs. Output Current
Switching Frequency vs. Output Current
600.0
500.0
400.0
300.0
200.0
100.0
0.0
600.0
500.0
400.0
300.0
200.0
100.0
0.0
RT7238C
RT7238D
VIN = 8V
VIN = 12V
VIN = 19V
VIN = 8V
VIN = 12V
VIN = 19V
EN = 2V
10.000
EN= 2V, VOUT = 1.05V
0.001
0.010
0.100
1.000
0.001
0.010
0.100
1.000
10.000
Output Current (A)
Output Current (A)
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www.richtek.com
10
DS7238B/C/D/E-02 November 2015
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
