Rainbow-electronics MAX5965B Manual de usuario descargar pdf (Pagina 48)

MAX5965A/MAX5965B

High-Power, Quad, Monolithic, PSE Controllers

for Power over Ethernet

48 ______________________________________________________________________________________

GND

-48V

GND

0.47μF

100V

R10

2Ω

1Ω

15nF

MMBTA56

1kΩ

68μH, DO3308P-683

MAX5020

V+

NDRV

GND

0.022μF

30Ω

0.1μF

2.2μF

1Ω

GATE

SOURCE

DRAIN

Si2328 DS

4.7nF

0.22μF

1.02kΩ

6.81kΩ

2.61kΩ

MMBTA56

DIODES INC.: B1100

220μF

Sanyo 6SVPA220MAA

2.61kΩ

MMBTA56

4.7μF

+3.3V

GND

300mA

SS_SHDN

Figure 15. -48V to +3.3V (300mA) Boost Converter Solution for V

DIG

1700 (mils)

965 (mils)

1700 (mils)

965 (mils)

1700 (mils)

965 (mils)

Figure 16. Layout Example for Boost Converter Solution for V

DIG

1 2 ... 43 44 45 46 47 48 49 50 51 52

MAX5965A/MAX5965B 1

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Rainbow-electronics MAX5965B Manual de usuario Pagina 48

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