LH1548, LH1549, LH1549AAC Selling Leads, Datasheet
MFG:HEIMANN Package Cooled:DIP D/C:05+
LH1548, LH1549, LH1549AAC Datasheet download
Part Number: LH1548
MFG: HEIMANN
Package Cooled: DIP
D/C: 05+
LH1548, LH1549, LH1549AAC
- Table of contents:
Info of LH1548
Info of LH1549
Info of LH1549AAC
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About LH1001-2R
PDF/DataSheet Download
Datasheet: LH1001-2R
File Size: 64605 KB
Manufacturer: POWER-ONE [Power-One]
Download : Click here to Download
About LH1549AAC
PDF/DataSheet Download
Datasheet: LH1549AAC
File Size: 142558 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
About LH1549AAC
PDF/DataSheet Download
Datasheet: LH1549AAC
File Size: 142558 KB
Manufacturer: VISAY [Vishay Siliconix]
Download : Click here to Download
LH1549AAC General Description
A Telecom Switch consists of an optically isolated, SPST solid-state relay (SSR) and a bidirectional input optocoupler in a single package. The SSR is ideal for performing switch hook and dial-pulse switching while the optocoupler performs ring detect and loop current sensing functions.
The SSR is integrated on a monolithic receptor die. It features low ON-resistance, high breakdown voltage, and current-limit circuitry that protects the relay from telephone line induced lightning surges.
The optocoupler provides bidirectional current sens- ing via two anti parallel GaAIAs infrared emitting diodes. The optocoupler provides a minimum current transfer ratio (CTR) of 33 %.
LH1549AAC Maximum Ratings
| Parameter | Test condition | Symbol | Value | Unit |
| LED continuous forward current | IF | 50 | mA | |
| LED reverse voltage | Ir 10 A | VR | 5.0 | V |
| DC or peak AC load voltage | IR50 A | VL | 400 | V |
| Continuous DC load curren unidirectional operation |
IL | 120 | mA | |
| Ambient operating temperature range |
Tamb | - 40 to + 85 | °C | |
| Storage temperature range | Tstg | - 40 to + 150 | °C | |
| Pin soldering temperature | t = 10 s max | Tsld | 260 | °C |
| Input/output isolation test voltage |
VISO | 5300 | VRMS | |
| Output power dissipation (continuous) |
Pdiss | 600 | mW |
LH1549AAC Features
Solid State Relay
- 1 Form A (LH1525 Type)
- Current-limit Protection
- Clean, Bounce-free Switching
- Low Power Consumption
Solid State Relay and an Autopolarity Optocoupler in a Single Package
Optocoupler
- Bidirectional Current Detection
Surface Mountable
I/O Isolation Voltage, 5300 VRMS
Lead-free component
Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
- 1 Form A (LH1525 Type)
- Current-limit Protection
- Clean, Bounce-free Switching
- Low Power Consumption
Solid State Relay and an Autopolarity Optocoupler in a Single Package
Optocoupler
- Bidirectional Current Detection
Surface Mountable
I/O Isolation Voltage, 5300 VRMS
Lead-free component
Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
LH1549AAC Typical Application
General Telecom Switching
- On/off-hook Control
- Dial Pulse
- Ring-current Detection
- Loop-current sensing
- On/off-hook Control
- Dial Pulse
- Ring-current Detection
- Loop-current sensing
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