Rainbow-electronics MAX5953D Manuale Utente Scaricare il pdf (Pagina 22)

MAX5953A/MAX5953B/MAX5953C/MAX5953D

IEEE 802.3af PD Interface and PWM Controllers

with Integrated Power MOSFETs

22 ______________________________________________________________________________________

Block Diagrams

V+

UVLO

V+

UVLO*

*MAX5953A/MAX5953C ONLY.

**MAX5953C/MAX5953D ONLY.

***MAX5953A/MAX5953B ONLY.

GATE

MAX5953A

MAX5953B

MAX5953C

MAX5953D

CLASSIFICATION

RCLASS

PGOOD**

6.8V

REF

2.4V

REF

2.4V, 0.8

HYST

21.8V

39V

200mV

GATE

, 6V

1.2V, REF

5V, REF

PGOOD***

OUT

0.6Ω

38Ω

Figure 8. Powered Device Interface Block Diagram

1 2 ... 17 18 19 20 21 22 23 24 25 26 27

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Rainbow-electronics MAX5953D Manuale Utente Pagina 22