RT8272 RICHTEK [Richtek Technology Corporation], RT8272 Datasheet - Page 5

• Manufacturer Part Number: RT8272
• Description: 3A, 24V, 1.2MHz Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Typical Operating Characteristics
DS8272-02 March 2011
0.935
0.925
0.915
0.905
1.23
1.22
1.21
1.20
1.19
1.18
1.17
0.94
0.93
0.92
0.91
100
0.9
90
80
70
60
50
40
30
20
10
0
-50
4
0
Reference Voltage vs. Temperature
6
-25
Frequency vs. Input Voltage
0.5
Efficiency vs. Output Current
8
0
10
Temperature (°C)
1
Output Current (A)
Input Voltage (V)
12
25
1.5
14
V
OUT
50
16
= 3.3V, I
2
18
75
V
OUT
20
OUT
V
V
V
2.5
IN
IN
IN
100
= 3.3V
= 12V
= 24V
= 0.3A
= 12V
22
125
24
3
3.350
3.345
3.340
3.335
3.330
3.325
3.320
3.315
3.310
3.305
3.300
0.925
0.924
0.923
0.922
0.921
0.920
0.919
0.918
0.917
0.916
0.915
1.30
1.25
1.20
1.15
1.10
1.05
1.00
-50
4
0
Reference Voltage vs. Input Voltage
Output Voltage vs. Output Current
6
-25
0.5
Frequency vs. Temperature
8
0
10
Temperature (°C)
Output Current (A)
1
Input Voltage (V)
V
IN
12
25
= 12V, V
1.5
14
50
OUT
16
RT8272
= 3.3V, I
www.richtek.com
2
18
75
20
OUT
V
2.5
IN
100
= 0.3A
= 12V
22
125
5
24
3