RT8282B Ver la hoja de datos (PDF) - Richtek Technology

Número de pieza

componentes Descripción

Fabricante

RT8282B

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

Richtek Technology 

RT8282B

Typical Operating Characteristics

100

90

80

70

60

50

40

30

20

10

0

0.0

Efficiency vs. Output Current

VIN = 12V

VIN = 23V

VOUT = 3.3V

0.3 0.5 0.8 1.0 1.3 1.5 1.8 2.0

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

VIN = 12V, VOUT = 3.3V, IOUT = 0A

-40 -25 -10 5 20 35 50 65 80 95 110 125

Temperature (°C)

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.05

1.00

4

Frequency. vs. Input Voltage

VOUT = 3.3V, IOUT = 0A

6 8 10 12 14 16 18 20 22 24

Input Voltage (V)

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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

VOUT = 3.3V, IOUT = 0A

4 6 8 10 12 14 16 18 20 22 24

Input Voltage (V)

Output Voltage vs. Output Current

3.36

3.35

3.34

3.33

3.32

3.31

3.30

3.29

3.28

VIN = 23V

VIN = 12V

3.27

3.26

3.25

3.24

VOUT = 3.3V

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0

Output Current (A)

Frequency vs. Temperature

1.40

1.35

1.30

1.25

1.20

1.15

1.10

1.05

1.00

-40 -25 -10

VIN = 12V, VOUT = 3.3V, IOUT = 0A

5 20 35 50 65 80 95 110 125

Temperature (°C)

DS8282B-01 March 2011

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