RT5788A/B
Typical Operating Characteristics
Efficiency vs. Output Current
Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
100
90
80
VOUT = 3.3V
VOUT = 2.5V
VOUT = 3.3V
70
VOUT = 2.5V
V
V
OUT = 1.8V
OUT = 1.2V
VOUT = 1.8V
VOUT = 1.2V
60
50
40
30
20
10
0
VOUT = 1V
VOUT = 1V
RT5788B, VIN = 5V
2.5 3.5
RT5788A, VIN = 5V
10
0
0.5
1
1.5
2
3
4
4
6
0.001
0.01
0.1
1
Output Current (A)
Output Current (A)
Output Voltage vs. Output Current
Output Voltage vs. Output Current
1.32
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
1.08
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
VIN = 6V
IN = 3.6V
VIN = 6V
VIN = 2.5V
V
RT5788A, VOUT = 1.2V
RT5788A, VOUT = 3.3V
2.5 3.5
0
0.5
1
1.5
2
2.5
3
3.5
4
0
0.5
1
1.5
2
3
Output Current (A)
Output Current (A)
Output Voltage vs. Input Voltage
Output Voltage vs. Input Voltage
1.32
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
1.08
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
IOUT = 0A
IOUT = 0A
IOUT = 4A
IOUT = 4A
RT5788A, VOUT = 1.2V
RT5788A, VOUT = 3.3V
5.5
2.5
3
3.5
4
4.5
5
5.5
6
3.5
4
4.5
5
Input Voltage (V)
Input Voltage (V)
Copyright 2018 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS5788A/B-02 March 2018
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
