RT8295B データシートの表示（PDF） - Richtek Technology

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RT8295B

2A, 23V, 1.2MHz Synchronous Step-Down Converter

Richtek Technology 

RT8295B

Typical Operating Characteristics

100

90

80

70

60

50

40

30

20

10

0

0.01

Efficiency vs. Output Current

VIN = 12V

VIN = 23V

VOUT = 3.3V

0.1

1

10

Output Current (A)

Reference Voltage vs. Temperature

0.820

0.815

0.810

0.805

0.800

0.795

0.790

0.785

0.780

-50 -25

0

25 50 75 100 125

Temperature (°C)

Switching Frequency vs. Temperature

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.05

1.00

-50 -25

VIN = 12V, VOUT = 3.3V, IOUT = 0.5A

0

25 50 75 100 125

Temperature (°C)

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6

Reference Voltage vs. Input Voltage

0.820

0.815

0.810

0.805

0.800

0.795

0.790

0.785

0.780

4 6 8 10 12 14 16 18 20 22 24

Input Voltage (V)

3.40

3.38

3.36

3.34

3.32

3.30

3.28

3.26

3.24

3.22

3.20

0

Output Voltage vs. Output Current

VIN = 23V

VIN = 12V

VOUT = 3.3V

0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2

Output Current (A)

Switching Frequency vs. Input Voltage

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.05

1.00

VOUT = 3.3V, IOUT = 0.5A

4 6 8 10 12 14 16 18 20 22 24

Input Voltage (V)

DS8295B-03 March 2011

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