rt8003 Richtek Technology Corporation, rt8003 Datasheet - Page 7

• Manufacturer Part Number: rt8003
• Description: 600ma, 2mhz, High-efficiency Synchronous Buck Converter
• Manufacturer: Richtek Technology Corporation

DS8003-03 November 2005
0.515
0.505
0.495
0.485
0.52
0.51
0.49
0.48
300
250
200
150
100
0.5
2.5
1.5
0.5
50
0
3
2
1
0
2.5
-50
2.5
V
FB
Quiescent Current vs. Input Voltage
= 0.65V
-25
Current Limit vs. Input Voltage
3
3
V
REF
0
3.5
Temperature
3.5
Input Voltage (V)
Input Voltage(V)
vs. Temperature
25
4
4
50
( C)
4.5
4.5
75
5
100
5
125
5.5
5.5
Current
Voltage
Output
Load
0.515
0.505
0.495
0.485
0.52
0.51
0.49
0.48
250
200
150
100
0.5
50
0
-50
2.5
V
V
I
(50mV/Div)
(200mA/Div)
OUT
Quiescent Current vs. Temperature
IN
IN
= 3.3V, V
= 3.3V, V
= 50mA to 600mA
-25
Load Transient Response
3
V
FB
REF
OUT
0
Temperature
3.5
= 0.65V
Time (250 s/Div)
Input Voltage (V)
= 1.2V
vs. Input Voltage
25
4
50
( C)
www.richtek.com
4.5
RT8003
75
5
100
125
5.5
7