MB39A112 Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

Fabricante

MB39A112

3-ch DC/DC Converter IC

Fujitsu 

MB39A112

Triangular Wave Upper/Lower Limit Voltage vs.

Triangular Wave Oscillation Frequency

2.8

Ta = +25 °C

VCC = 12 V

2.6 CT = 100 pF

2.4

Upper limit

2.2

Lower limit

2.0

1.8

0 500 1000 1500 2000 2500 3000

Triangular wave oscillation frequency

fosc (kHz)

Triangular Wave Oscillation Frequency vs.

Ambient Temperature

1400

1350

1300

1250

1200

1150

1100

1050

1000

−40 −20 0

VCC = 12 V

RT = 10 kΩ

CT = 100 pF

20 40 60 80 100

Ambient temperature Ta ( °C)

Triangular Wave Upper/Lower Limit Voltage vs.

Ambient Temperature

2.8

VCC = 12 V

2.6

RT = 10 kΩ

CT = 100 pF

2.4

Upper limit

2.2

Lower limit

2.0

1.8

−40 −20 0 20 40 60 80 100

Ambient temperature Ta ( °C)

Triangular Wave Oscillation Frequency vs.

Power Supply Voltage

1400

1350

1300

1250

1200

1150

1100

1050

1000

0

Ta = +25 °C

RT = 10 kΩ

CT = 100 pF

5 10 15 20 25 30

Power supply voltage VCC (V)

(Continued)

9

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