rt8060a Richtek Technology Corporation, rt8060a Datasheet - Page 5

• Manufacturer Part Number: rt8060a
• Description: 1.5mhz, 1a High Efficiency Step-down Converter
• Manufacturer: Richtek Technology Corporation

Typical Operating Characteristics
DS8060A-00 March 2011
0.620
0.615
0.610
0.605
0.600
0.595
0.590
0.585
0.580
0.575
0.570
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
100
90
80
70
60
50
40
30
20
10
0
-50
-50
0
Reference Voltage vs. Temperature
-25
-25
V
V
V
Frequency vs. Temperature
IN
IN
IN
Efficiency vs. Load Current
0.2
= 5V
= 3.8V
= 5.5V
V
0
V
0
IN
Temperature (°C)
IN
Temperature (°C)
Load Current (A)
= 5.5V
= 3.6V
0.4
25
25
50
50
0.6
V
IN
= 5V, I
75
75
V
I
0.8
OUT
OUT
OUT
100
100
= 1.2V
= 0.6A
= 0.5A
125
125
1
(500mA/Div)
(50mV/Div)
I
V
OUT
OUT
0.620
0.615
0.610
0.605
0.600
0.595
0.590
0.585
0.580
0.575
0.570
0.620
0.615
0.610
0.605
0.600
0.595
0.590
0.585
0.580
0.575
0.570
0.0
2.8
Reference Voltage vs. Output Current
Reference Voltage vs. Input Voltage
V
V
V
IN
IN
IN
= 5V
= 5.5V
= 4.2V
Load Transient Response
0.2
3.3
Output Current (A)
Input Voltage (V)
Time (250μs/Div)
0.4
3.8
V
IN
= 5.5V, I
RT8060A
0.6
4.3
OUT
www.richtek.com
= 50mA to 1A
V
0.8
4.8
I
Buck
OUT
= 12V
= 0.6A
1.0
5.3
5