STLC3075 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STLC3075

Integrated POTS interface for home access gateway and WLL

STMicroelectronics 

Over voltage protection

7

Over voltage protection

STLC3075

Figure 21. Simplified configuration for indoor over voltage protection

BGND

STLC3075

TIP

RP1

RING

RP1

STPR120A

RP2

RP2

TIP

RING

VBAT

STPR120A

RP1 = 30ohm:

RP2 =Fuse or PTC > 18ohm

Figure 22. Standard over voltage protection configuration for K20 compliance

BGND

STLC3075

TIP

RING

VBAT

RP1

RP1

LCP1521S

RP2

RP2

TIP

RING

RP1 = 30ohm:

RP2 =Fuse or PTC > 18ohm

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