Summary description

STHS237x

6/20

Figure 1.

Logic diagram

1.

STHS2376A/L devices only.

1.

STHS2376A/L devices only, for other part types No Connect.

Figure 2.

STHS2375A/L, STHS2377A/L pin connections (top view)

Figure 3.

STHS2376A/L pin connections (top view)

Table 2.

Signal names

Pin

Symbol

Description

Inrush Current Limit resistor

2

CLASS

Classification resistor

3

DET

Powered Device Detection resistor

Ground on the input side; return power line to PSE

5

RTN

Return power output, negative rail

6

PG

Power Good Output, open drain, active-high (referenced to RTN)

Programmable Undervoltage Lockout input pin

Positive Power Supply; common input/output power rail

AI12241

STHS2375A/L

STHS2376A/L

STHS2377A/L

UVLO(1)

ILIM

CLASS

RTN

DET

PG

ILIM

CLASS

DET

VSS

VDD

NC

RTN

AI12238

PG

1

2

3

4

8

7

6

5

ILIM

CLASS

DET

VSS

VDD

UVLO

RTN

AI12239

PG

1

2

3

4

8

7

6

5