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Lucent Technologies Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. No
rights under any patent accompany the sale of any such product(s) or information.
Copyright 2000 Lucent Technologies Inc.
All Rights Reserved
June 2000
PB00-042ALC (Replaces PN00-006ALC)
For additional information, contact your Microelectronics Group Account Manager or the following:
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Microelectronics Group, Lucent Technologies Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286
1-800-372-2447
, FAX 610-712-4106 (In CANADA:
1-800-553-2448
, FAX 610-712-4106)
ASIA PACIFIC: Microelectronics Group, Lucent Technologies Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256
Tel. (65) 778 8833
, FAX (65) 777 7495
CHINA:
Microelectronics Group, Lucent Technologies (China) Co., Ltd., A-F2, 23/F, Zao Fong Universe Building, 1800 Zhong Shan Xi Road, Shanghai
200233 P. R. China
Tel. (86) 21 6440 0468
,
ext. 325
, FAX (86) 21 6440 0652
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Tel. (81) 3 5421 1600
, FAX (81) 3 5421 1700
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, FAX (44) 1189 328 148
Technical Inquiries: GERMANY:
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(Ascot),
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(Helsinki),
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Product Brief
June 2000
L7585F Full-Feature, Low-Power SLIC and Switch
Architectural Diagram
12-3290.e(F)
RFT
20
TIP/RING
CURRENT
SENSE
RFR
20
V
BAT
V
BAT
NPDAT
NPDAR
TRNG
TTI
PT
PR
RTI
RING TRIP
DETECTOR
SW5
RD
RELAY
DRIVER
NRT
RSW
RTS
RRNG
dc
FEEDBACK
AND
CURRENT
LIMIT
DC
OUT
ac
INTERFACE
V
BAT
BUFFER
BUFFER
RDO
DGND
V
CCD
V
SP
I
PROG
DCR
CF2 CF1
V
BAT
BGND
BUFFER
BUFFER
ac
dc
V
BAT
FB2
FB1
RCVN
RCVP
AR
+
–
75
μ
A
PARALLEL DATA LATCH
AND LOGIC
SWITCHHOOK
DETECTOR
+
NCS B5 B4 B3 B2 B1 B0
CLK
NDET
RD FB NRT
NLC
SW1—SW6
CONTROL
–
AGND
V
CCA
SW1
45
LCTH
DC
OUT
VRTX
VTX
2.4 V
REFERENCE
TXI
VITR
ITR
AAC
REF
IN
RECTIFIER
GAIN = 3
OUT
AX
+
–
50
μ
A
+5 A
ITR
ITR
AT
–
+
+5 A
NPDAT
NPDAR
FB
100 k
ITR/198
SW3
45
GTO
+5 A
+5 D +10 V
SW6
SW4
SW4a
SW2a
4 k
SW2
25