Key facts
- Brand
- Intersil
- Model
- HC5503
- Category
- Other Electronics
- Documents
- 3
- Languages
- EN
- Last added
- 2012-03-27
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Intersil HC5503T Data Sheet
The HC5503T is a low‑cost Subscriber Line Interface Circuit (SLIC) that replaces discrete transformer‑based designs. It supplies a current‑limited DC feed, maintains flat frequency response, and includes self‑resetting thermal protection, all powered from a single +5 V supply plus a negative battery voltage.
The document lists electrical specifications, absolute maximum ratings, pinout and pin descriptions, package dimensions, and typical application circuits for PBX, key telephone systems, ISDN modems, and SOHO adapters.
Intersil HC5503 specifications
| Supply Voltage (VBAT) Range | -24 V to -58 V |
|---|---|
| Supply Voltage (VCC) | +5 V |
| Maximum Loop Current | 30 mA |
| Package Type | 24‑lead Small Outline Plastic Package (SOIC) |
| Thermal Resistance (Typical) | Not specified (typical value given in datasheet) |
Source: Intersil HC5503T Data Sheet
All Intersil HC5503 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What precaution should be taken when handling the HC5503T?
The device is sensitive to electrostatic discharge; proper IC handling procedures must be followed.
What supply voltages does the HC5503T require?
It requires a single +5 V supply and a negative battery voltage ranging from -24 V to -58 V.
What battery voltage range does the HC5503 support?
It operates from –21 V to –44 V.
What is the short loop current limit of the HC5503?
The short loop current limit is 25 mA.
What is the operating battery voltage range for the HC5503PRC?
The device operates from –40 V to –58 V.
What is the maximum operating temperature of the HC5503PRC?
It can operate from 0 °C up to 70 °C.