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HC5503C Datasheet(PDF) 5 Page - Intersil Corporation

Part No. HC5503C
Description  Unbalanced PBX/Key System SLIC, Subscriber Line Interface Circuit
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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HC5503C Datasheet(HTML) 5 Page - Intersil Corporation

   
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All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certification.
Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with-
out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see web site http://www.intersil.com
Applications Diagram
Typical Component Values
C1 = 0.3µF, 30V, ±20%
C2 = 0.01µF, 100V, ±20%
RB1 = RB2 = RB3 = RB4 = 150Ω
C3 = 0.01µF, 20V, ±20%
C4 = 0.5µF, 20V, ±20%
C5 = 0.5
µF, 20V, ±20%
PTC used as ring generator ballast.
NOTES:
4. Secondary protection diode bridge recommended is a 2A, 200V type.
5. All grounds (AG, BG, and DG) must be applied before VCC or VBAT. Failure to do so may result in premature failure of the part. If a user wishes
to run separate grounds off a line card, the AG must be applied first.
6. Application shows Ring Injected Ringing.
RB4
K1A
RING
VB(INT)
TIP
VBAT
SLIC
HC5503C
RB2
RB1
RING
RB3
SUBSCRIBER
LOOP
-48V
SYSTEM CONTROLLER
1
9
10
2
TIP FEED
TIP
RX
TX
T3
T2
T1
C1
VBAT
BGND DGND AGND
VCC
SHD
13
11
12
6
23
C3
3
VCC
C2
PRIMARY
PROTEC-
TION
(NOTE 4)
PIN NUMBERS GIVEN FOR SOIC PACKAGE.
K1A
PTC
Z1
-48V
RING GENERATOR
RS
5V
C1
21
24
20
19
18
5
C4
C5
FIGURE 1. TYPICAL LINE CIRCUIT APPLICATION WITH THE MONOLITHIC SLIC
HC5503C
SLIC
TX
RX
DUAL
JUNC
JUNC
DUAL
CD22100E
CROSSPOINT
SWITCH
TX
RX
FIGURE 2. TYPICAL ANALOG KEY SYSTEM CONNECTION
HC5503C
SLIC
HC5503C
SLIC
OP-AMP
OP-AMP
HC5503C


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