UBA1707 데이터 시트보기 (PDF) - Philips Electronics

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UBA1707

Cordless telephone, answering machine line interface

Philips Electronics 

Philips Semiconductors

Cordless telephone, answering machine

line interface

Product specification

UBA1707

handbook, full pagewidth

Rp

35 kΩ

ILN

LN

UBA1707

I*

Vd

REG

Rd

4 kΩ

CREG

4.7 µF

ISLPE

SLPE

RSLPE

10 Ω

GND

LN+

Iline

IZSET

ZSET

619 Ω

MGK707

Fig.4 Reference voltage supply configuration.

handbook, full pagewidth

1999 Feb 17

ILN

Rp

35 kΩ

LN

UBA1707

Vd

REG

Rd

4 kΩ

GND

CREG

4.7 µF

ISLPE

Vref

HOOK SWITCH

MANAGEMENT

SLPE LCC

RSLPE

10 Ω

EHI

VEHI

TNSW

VCE (TNSW)

LN+

Iline

Zline

IZSET

ZSET

619 Ω

Rexch

Vline

Vexch

LN−

MGK708

Fig.5 Line current settling simplified configuration.

7

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