rt8297a Richtek Technology Corporation, rt8297a Datasheet - Page 6

• Manufacturer Part Number: rt8297a
• Description: 1.5a, 17v, 340/800khz Synchronous Step-down Converter
• Manufacturer: Richtek Technology Corporation

RT8297A/B
Typical Operating Characteristics
www.richtek.com
6
5.10
5.06
5.02
4.98
4.94
4.90
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
100
90
80
70
60
50
40
30
20
10
0
0.01
0.0
-50
Reference Voltage vs. Temperature
Output Voltage vs. Output Current
-25
Efficiency vs. Load Current
0.3
0
0.10
Temperature (°C)
Output Current (A)
Load Current (A)
0.6
RT8297A, V
V
V
V
RT8297A, V
25
OUT
OUT
OUT
= 5V
= 3.3V
= 1.2V
50
0.9
RT8297A, V
IN
1.00
IN
= 12V, V
= 12V, I
75
1.2
OUT
OUT
IN
100
= 12V
= 5V
= 0A
10.00
1.5
125
3.40
3.36
3.32
3.28
3.24
3.20
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
100
90
80
70
60
50
40
30
20
10
0
0.01
0.0
-50
Reference Voltage vs. Temperature
Output Voltage vs. Output Current
-25
0.3
Efficiency vs. Load Current
0
0.10
0.5
Output Current (A)
Temperature (°C)
Load Current (A)
V
V
V
RT8297B, V
OUT
OUT
OUT
DS8297A/B-00 March 2011
RT8297B, V
25
= 5V
= 3.3V
= 1.2V
0.8
50
IN
RT8297B, V
1.00
= 12V, V
IN
1.0
= 12V, I
75
OUT
1.3
OUT
100
IN
= 3.3V
= 12V
= 0A
10.00
1.5
125