STLC3065Q データシートの表示（PDF） - STMicroelectronics

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STLC3065Q

WLL SUBSCRIBER LINE INTERFACE CIRCUIT

STMicroelectronics 

STLC3065

APPENDIX B

STLC3065 OVERVOLTAGE PROTECTION

Figure B1. Simplified configuration for indoor overvoltage protection

BGND

STLC3065

TIP1

RP1

RING1

RP1

TIP2

RP1

RING2

RP1

VBAT

RP2

RP2

RP2

RP2

TIP1

RING1

TIP2

RING2

RP2: Fuse or PTC

Figure B2. Standard overloltage protection configuration for k20 compliance

BGND

TIP1

RING1

STLC3065

RP1

RP1

TIP2

RP1

VBAT RING2

RP1

RP2

RP2

LCDP

1511

RP2

RP2

RP2: Fuse or PTC

TIP1

RING1

TIP2

RING2

NOTE: RP2 should guarantee Ipeak < 10A: otherwise two LCP1511 maybe used

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