ATTL7581BC データシートの表示（PDF） - Agere -> LSI Corporation

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ATTL7581BC

Ringing Access Switch

Agere -> LSI Corporation 

Data Sheet

November 1999

L7581 Ringing Access Switch

Typical Performance Characteristics

dc CURRENT-LIMIT

BREAK SWITCHES

VBAT – 2

VBAT – 4

VBAT

VON

<1 µA

3V

50 mA

dc CURRENT LIMIT

(OF BREAK SWITCHES)

IH

12-2309.f (F)

Figure 3. Protection Circuit A Version

+I

ILIMIT

CURRENT

LIMITING

2/3 RON

–1.5 V

–V

RON

RON

1.5 V

+V

2/3 RON

CURRENT

LIMITING

ILIMIT

–I

Figure 5. Switches 1—3

12-2311 (F)

+I

RON

dc CURRENT-LIMIT

BREAK SWITCHES

VBAT – 3

VBAT

<1 µA

3V

–VOS

–V

+VOS

+V

dc CURRENT LIMIT

(OF BREAK SWITCHES)

12-2309.b (F)

Figure 4. Protection Circuit B Version

–I

Figure 6. Switch 4

12-2312 (F)

Lucent Technologies Inc.

11

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