RT6545A/B
Typical Operating Characteristics
VOUT2 Efficiency vs. Output Current
VOUT1 Efficiency vs. Output Current
100
90
80
70
60
50
100
95
VIN = 7.4V
VIN = 11.1V
VIN = 14.8V
VIN = 20.5V
90
VIN = 7.4V
VIN = 11.1V
VIN = 14.8V
85
80
75
VIN = 20.5V
EN1 = 0V, EN2 = LDO3, VCLK Off, BYP1 On
EN1 = LDO3, EN2 = 0V, VCLK Off, BYP1 On
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Output Current (A)
Output Current (A)
VOUT1 Switching Frequency vs. Output Current
VOUT2 Switching Frequency vs. Output Current
600
450
400
500
350
VIN = 19V
VIN = 19V
VIN = 11.1V
VIN = 7.4V
VIN = 11.1V
VIN = 7.4V
400
300
250
300
200
150
200
100
EN1 = LDO3,
EN2 = 0V,
VCLK Off, BYP1 On
EN1 = 0V,
EN2 = LDO3,
VCLK Off, BYP1 On
100
0
50
0
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Output Current (A)
Output Current (A)
VOUT1 Switching Frequency vs. Input Voltage
VOUT2 Switching Frequency vs. Input Voltage
450
550
500
450
400
350
300
250
200
150
100
400
350
300
250
200
150
100
EN1 = LDO3, EN2 = 0V,
IOUT1 = 6A, VCLK Off, BYP1 On
EN1 = 0V, EN2 = LDO3,
IOUT2 = 6A, VCLK Off, BYP1 On
50
0
50
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.
www.richtek.com
10
DS6545A/B-00 May 2016
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
