RT6575A/B
Typical Operating Characteristics
Efficiency vs. Load Current
Efficiency vs. Load Current
100
90
80
70
60
50
40
100
VOUT1
VOUT2
90
VIN = 7.4V
VIN = 11.1V
VIN = 14.8V
VIN = 20V
VIN = 7.4V
VIN = 11.1V
VIN = 14.8V
80
VIN = 20V
70
60
EN1 = LDO3, EN2 = 0V, VCLK On
50
EN1 = EN2 = LDO3, VCLK On
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Load Current (A)
Load Current (A)
Switching Frequency vs. Load Current
Switching Frequency vs. Load Current
400
350
300
250
200
150
100
50
350
300
250
200
150
100
50
VOUT1
VOUT2
EN1 = LDO3, EN2 = 0V
EN1 = 0V, EN2 = LDO3
VIN = 20V
VIN = 12V
VIN = 7.4V
VIN = 20V
VIN = 12V
VIN = 7.4V
0
0
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Load Current (A)
Load Current (A)
Switching Frequency vs. Input Voltage
Switching Frequency vs. Input Voltage
400
350
300
250
200
150
100
50
350
300
250
200
150
100
50
VOUT2
VOUT1
EN1 = 0V, EN2 = LDO3, ILOAD = 6A
EN1 = LDO3, EN2 = 0V, ILOAD = 6A
0
0
5
7
9
11 13 15 17 19 21 23 25
Input Voltage (V)
5
7
9
11 13 15 17 19 21 23 25
Input Voltage (V)
Copyright 2016 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6575A/B-03 February 2016
www.richtek.com
11
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
