RT6222A/B
Typical Operating Characteristics
Efficiency vs. Load Current
100
90
80
100
90
80
Efficiency vs. Load Current
Efficiency (%)
60
50
40
30
20
10
0
0.001
0.01
Efficiency (%)
70
V
IN
= 4.3V
V
IN
= 12V
V
IN
= 18V
70
60
50
40
30
20
V
IN
= 12V
V
IN
= 15V
V
IN
= 18V
V
OUT
= 1V
0.1
1
10
10
0
0.001
0.01
0.1
1
V
OUT
= 5V
10
Load Current (A)
Load Current (A)
Reference Voltage vs. Input Voltage
0.620
0.615
0.65
Reference Voltage vs. Temperature
Reference Voltage (V)
0.610
0.605
0.600
0.595
0.590
0.585
0.580
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18
Reference Voltage (V)
V
IN
= 4.5V to 18V, I
OUT
= 0A
0.63
0.61
0.59
0.57
0.55
-50
-25
0
25
V
IN
= 12V, I
OUT
= 0.75A
50
75
100
125
Input Voltage (V)
Temperature (°C)
Output Voltage vs. Load Current
1.10
600
Switching Frequency vs. Input Voltage
Switching Frequency (kHz)
1
1.08
575
550
525
500
475
450
Output Voltage (V)
1.05
1.03
1.00
0.98
0.95
0.93
V
IN
= 18V
V
IN
= 12V
V
IN
= 4.3V
V
OUT
= 1V
0.90
0
0.5
1
1.5
2
2.5
4
6
V
IN
= 4.3V to 18V, V
OUT
= 1V, I
OUT
= 1A
8
10
12
14
16
18
Load Current (A)
Input Voltage (V)
Copyright
©
2018 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6222A/B-01 August 2018
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
