LT4293 is a LTPoE++/IEEE 802.3af/at/bt-compliant powered device (PD) interface controller. The T2P output distinguishes between LTPoE++ and IEEE 802.3bt power sourcing equipment (PSE) during mutual identification and negotiation of available power. This device utilizes an external, low RDS(ON), N-channel, hot swap MOSFET and supports the LT4320/LT4321 ideal bridges, to extend the end-to-end power delivery efficiency and eliminate costly heat sinks. This device also includes a power good output, on-board signature resistor, undervoltage lockout, and thermal protection. Start-up inrush current is adjustable with an external capacitor. Auxiliary power override is supported as low as 9V with the AUX pin. It is used in application like high power wireless data systems, outdoor security camera equipment, commercial and public information displays, high temperature industrial applications etc.
- 5-event classification sensing
- Supports upto 90W PDs
- Superior surge protection (100V absolute maximum)
- Overtemperature protection
- Integrated signature resistor
- Pin compatible with LT4275A/B/C and LT4294
- Supply current is 2mA typical
- Reset threshold range is 2.6V to 5.6V
- Operating junction temperature is -40°C to 85°C
- Package style is 10-lead plastic MSOP
Product details
Other details
| Brand |
ANALOG DEVICES |
| Part Number |
LT4293IMS#PBF |
| Quantity |
Each |
| Technical Data Sheet EN |
 |
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