MB39A125 Ver la hoja de datos (PDF) - Fujitsu

Número de pieza

componentes Descripción

Fabricante

MB39A125

DC/DC Converter IC for Charging Li-ion Battery

Fujitsu 

MB39A125/126

Error Amplifier, Gain, Phase vs. Frequency

Ta = +25 °C

40

VCC = 19 V 180

30

20

φ

90

10

Av

0

0

−10

−20

−90

−30

−40

−180

100 1k

10k 100k 1M

10M

Frequency f (Hz)

Error Amplifier, Gain, Phase vs. Frequency

Vcc = 19 V

10

10

kΩ

kΩ

IN 1 µF 2.4 kΩ

+

10

10

kΩ

kΩ

4.2 V

240 kΩ

−INE1, 2

8−

(4)

9+

FB123

15

(3)

+INE1, 2

Error Amp1

(Error Amp2)

OUT

Ta = +25 °C

40

VCC = 19 V 180

30

20

φ

90

10

kΩ

240 kΩ

10

0

Av

0

IN 1µF+ 2.4 kΩ

−INE3

16 −

FB123 OUT

15

−10

+

−20

−30

−90

10

kΩ

4.2 V

Error Amp3

−40

−180

100 1k

10k 100k 1M

10M

Frequency f (Hz)

Current Detection Amplifier, Gain, Phase vs. Frequency

40

180

+INC

VCC = 19 V

30

20

Av

90

13 +

−INC (24)

12

×20

−

(1)

OUTC

10

(2)

OUT

10

Current Amp1

0

0

φ

(Current Amp2)

−10

12.6 V

12.55 V

−20

−90

−30

−40

−180

100

1k

10k 100k 1M

10M

Frequency f (Hz)

22

(Continued)

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