RT6308A
Typical Operating Characteristics
Efficiency vs. Output Current
Switching Frequency vs. Output Current
100
600
500
400
300
200
100
0
90
VIN = 7.4V
VIN = 12V
80
VIN = 7.4V
VIN = 12V
VIN = 19V
VIN = 19V
70
60
50
40
EN = 1.2V, VOUT = 1V,
Normal Mode
30
EN= 1.2V, VOUT = 1V,Normal Mode
20
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
Quiescent Current vs. Input Voltage
1.04
130
125
120
115
110
105
100
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
VIN = 19V
VIN = 12V
VIN = 7.4V
EN= 1.2V, VOUT = 1V,Normal Mode
EN = 1.2V, No Switching
0.001
0.01
0.1
1
10
4
6
8
10 12 14 16 18 20 22 24
Input Voltage (V)
Output Current (A)
Shutdown Current vs. Input Voltage
Power On from EN
7.0
6.5
6.0
5.5
5.0
4.5
4.0
EN
(1V/Div)
VOUT
(500mV/Div)
VIN = 12V, EN = 1.2V,
VOUT = 1V, IOUT = 8A
IL
(5A/Div)
PGOOD
(5V/Div)
EN = 0V
4
6
8
10 12 14 16 18 20 22 24
Input Voltage (V)
Time (200μs/Div)
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is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS6308A-00 October 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
