3.

Pin Descriptions

The following illustration is a representation of PD70224 device, as seen from the top and bottom view.

Figure 3-1. Internal Construction and Pinout

TOP VIEW

6x8 VQFN - 40L

PD70224

EPAD2

BOTTOM VIEW

6x8 VQFN - 40L

Table 3-1. Pin Description

Pin Number

PD70224

VQFN 40 Lead

Pin Designator

Description

1, 2, 3

OUTP

Rectified positive (upper) rail shared by both bridges

4

N.A.

Not applicable (pin not present)

5, 6, 7, 8

IN2B

Input “2” of bridge rectifier number B

9

N.A.

Not applicable (pin not present)

10, 11, 12

OUTN

Rectified negative (lower) rail shared by both bridges

13, 14

IN2A

Input “2” of bridge rectifier number A (same as pins 39 and 40)1

15

N.A.

Not applicable (pin not present)

16

SUPP_SA

Input power supply detect pin for bride rectifier number A. Goes

high when pairs connected to this bridge are powered by the PSE.

N.A.

Not applicable (pin not present)

17

SUPP_SB

Input power supply detect pin for bride rectifier number B. Goes

high when pairs connected to this bridge are powered by the PSE.

PD70224

Pin Descriptions

Datasheet

DS00003575C-page 10