LTC4257CS8#PBF PoE Powered Device (PD) by Analog Devices
| Status: | Production |
|---|---|
| Series: | LTC4257 |
| RoHS: | Compliant |
Features
| Complete Power Interface Port for IEEE 802.3af® Powered Devices (PDs) |
| Onboard 100V, 400mA Power MOSFET |
| Precision Input Current Limit |
| Onboard 25k Signature Resistor |
| Programmable Classification Current (Class 0-4) |
| Undervoltage Lockout |
| Smart Thermal Protection |
| Power Good Signal |
| Available in 8-Pin SO and Low Profile (3mm × 3mm) DFN Packages |
Last 6 months Inventory & Pricing History
Alternative Descriptions
| IEEE 802.3af PD Pwr over E Int | Analog Devices |
| Pd Controller, -57V, Nsoic-8 | Newark Electronics |
| PD CONTROLLER, -57V, NSOIC-8 | element14 |
LTC4257CS8#PBF Semiconductors - ICs by Linear Technology
IC HOT-SWAP CONTROLLER SMD SOIC8
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Input Voltage | -57V |
|---|---|
| Output Current | - |
| UVLO | -39.2V |
| Controller IC Case Style | SOIC |
| No. of Pins | 8Pins |
| Duty Cycle (%) | - |
| Frequency | - |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Product Range | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (15-Jan-2018) |
| Base Number | 4257 |
| Controller Applications | IP Phone Power Management Wireless Access Point |
| Controller Type | Ethernet |
| IC Temperature Range | Commercial |
| Input Voltage Max | -100V |
| Operating Temperature Range | 0°C to +70°C |
| Output Current Max | 0.1A |
| Output Type | Open Drain |
| Output Voltage | 99.7V |
| Supply Current | 3mA |
| Supply Voltage Min | -1.5V |
| Supply Voltage Range | -1.5V to -57V |
| Termination Type | Surface Mount Device |
| Voltage Vcc | 100V |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a LTC4257CS8#PBF?
Additional datasheets, footprints and schematics for LTC4257CS8#PBF are listed on our Part Details page. You can also find images and similar parts to LTC4257CS8#PBF on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for LTC4257CS8#PBF on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LTC4257CS8#PBF price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does LTC4257CS8#PBF fall under?
The LTC4257CS8#PBF is listed under PoE Powered Device (PD).
Can I view similar or alternative parts?
You can view similar parts to LTC4257CS8#PBF when available in the PoE Powered Device (PD) range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the LTC4257CS8#PBF you can contact the distributor directly for product support, shipping queries etc.
Is the LTC4257CS8#PBF RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Analog Devices.
Which authorised distributors for LTC4257CS8#PBF have stock available?
Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for LTC4257CS8#PBF.
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