RT8260A RICHTEK [Richtek Technology Corporation], RT8260A Datasheet - Page 5

• Manufacturer Part Number: RT8260A
• Description: 1.8A, 24V, 1.4MHz Step-Down Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Typical Operating Characteristics
DS8260A-03 March 2011
3.336
3.331
3.326
3.321
3.316
3.311
3.306
100
3.8
3.5
3.2
2.9
2.6
2.3
2.0
90
80
70
60
50
40
30
20
10
0
0
0
0
Output Voltage vs. Load Current
0.3
0.3
Current Limit vs. Duty Cycle
Efficiency vs. Load Current
16
0.6
0.6
Load Current (A)
Load Current (A)
Duty Cycle (%)
32
0.9
0.9
48
1.2
1.2
64
V
V
V
V
1.5
1.5
OUT
IN
IN
IN
= 12V
= 24V
= 12V
= 5V
1.8
1.8
80
0.815
0.810
0.805
0.800
0.795
0.790
0.785
100
3.8
3.5
3.2
2.9
2.6
2.3
2.0
90
80
70
60
50
40
30
20
10
0
-50
-50
0
Reference Voltage vs. Temperature
Current Limit vs. Temperature
-25
-25
0.3
Efficiency vs. Load Current
0
0
0.6
Temperature (°C)
Temperature (°C)
Load Current (A)
25
25
0.9
RT8260A
50
50
V
IN
V
= 12V, V
1.2
IN
www.richtek.com
= 12V, I
75
75
V
OUT
OUT
V
V
1.5
IN
IN
OUT
100
100
= 3.3V
= 12V
= 24V
= 3.3V
= 0A
125
125
1.8
5