RT8004A Datasheet, PDF (7/13 Pages) Richtek Technology Corporation – The RT8004A is a high efficiency synchronous

Typical Operating Characteristics
100
95
90
85
80
75
70
65
60
55
50
0.0
Efficiency vs. Output Current
VIN = 5V, VOUT = 3.3V
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Output Current (A)
Output Voltage vs. Output Current
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
VIN = 5V, VOUT = 3.3V
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Output Current (A)
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
-50
Frequency vs. Temperature
VIN = 3.3V
VIN = 5V
VOUT = 1.2V, IOUT = 0.3A
-25
0
25 50 75 100 125
Temperature (°C)
DS8004A-03 March 2011
RT8004A
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
3.5
Output Voltage vs. Input Voltage
IOUT = 0A, VOUT = 3.3V
3.8 4.0 4.3 4.5 4.8 5.0 5.3 5.5
Input Voltage (V)
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
-50
Input Voltage vs. Temperature
Rising
Falling
VIN = 3.3V, VOUT = 1.2V
-25
0
25 50 75 100 125
Temperature (°C)
Output Current Limit vs. Temperature
7.0
6.8
6.5
6.3
6.0
VIN = 5V
5.8
5.5
VIN = 3.3V
5.3
5.0
4.8
4.5
4.3
VOUT = 1.2V
4.0
-50 -25
0
25 50 75 100 125
Temperature (°C)
To be continued
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