RT2852BH
Typical Operating Characteristics
Efficiency vs. Output Current
100
90
80
100
90
Efficiency vs. Output Current
Efficiency (%)
60
50
40
30
20
10
0
0
0.5
1
1.5
2
2.5
3
Efficiency (%)
70
V
IN
= 9V
V
IN
= 12V
V
IN
= 18V
80
70
60
50
40
30
20
V
OUT
= 5V
V
OUT
= 3.3V
V
OUT
= 1.2V
V
OUT
= 3.3V
10
0
0
0.5
1
1.5
2
V
IN
= 12V
2.5
3
Output Current (A)
Output Current (A)
3.50
3.45
Output Voltage vs. Output Current
3.37
3.35
Output Voltage vs. Input Voltage
Output Voltage (V)
Output Voltage (V)
3.40
3.35
3.30
3.25
3.20
3.15
3.33
3.31
3.29
3.27
3.25
I
OUT
= 1A
I
OUT
= 2A
I
OUT
= 3A
V
IN
= 12V, V
OUT
= 3.3V
3.10
0
0.5
1
1.5
2
2.5
3
3.23
4
6
8
10
12
14
V
OUT
= 3.3V
16
18
Output Current (A)
Input Voltage (V)
Reference Voltage vs. Temperature
0.95
0.90
0.85
0.80
0.75
0.70
0.65
-50
-25
0
25
50
75
100
125
650
Switching Frequency vs. Temperature
Switching Frequency (kHz)
1
Reference Voltage (V)
600
550
500
450
400
R
OSC
= 100k
350
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
8
DS2852BH-01
June 2019
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
