RT8004A datasheet(7/13 Pages) RICHTEK

Part #	RT8004A

Description	The RT8004A is a high efficiency synchronous

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT8004A

7

DS8004A-03 March 2011

www.richtek.com

To be continued

Typical Operating Characteristics

Output Voltage vs. Input Voltage

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

3.35

3.5

3.8

4.0

4.3

4.5

4.8

5.0

5.3

5.5

Input Voltage (V)

IOUT = 0A, VOUT = 3.3V

Output Voltage vs. Output Current

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

3.35

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Output Current (A)

VIN = 5V, VOUT = 3.3V

Input Voltage vs. Temperature

2.0

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

-50

-25

0

25

50

75

100

125

Temperature (°C)

Rising

VIN = 3.3V, VOUT = 1.2V

Falling

Frequency vs. Temperature

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

-50

-25

0

25

50

75

100

125

Temperature (°C)

VIN = 5V

VIN = 3.3V

VOUT = 1.2V, IOUT = 0.3A

Output Current Limit vs. Temperature

4.0

4.3

4.5

4.8

5.0

5.3

5.5

5.8

6.0

6.3

6.5

6.8

7.0

-50

-25

0

25

50

75

100

125

Temperature (°C)

VIN = 5V

VIN = 3.3V

VOUT = 1.2V

Efficiency vs. Output Current

50

55

60

65

70

75

80

85

90

95

100

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

Output Current (A)

VIN = 5V, VOUT = 3.3V

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