Product Summary

The LTC4259A-1 is a quad –48V Hot Swap controller designed for use in IEEE 802.3af compliant Power Sourcing Equipment 

(PSE). It consists of four independent ports,each with output current limit, short-circuit protection, complete Powered 

Device (PD) detection and classification capability, and programmable PD disconnect using AC or DC sensing. Used with 

power MOSFETs and passives as in Figure 1, the LTC4259A-1 can implement a complete IEEE 802.3af-compliant PSE.

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC4259ACGW-1#TRPBF
LTC4259ACGW-1#TRPBF


IC CTRLR POE QUAD AC DISC 36SSOP

Data Sheet

0-1000: $4.92
Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
LTC4000EGN#PBF
LTC4000EGN#PBF


IC CHARGER BATTERY 28-SSOP

Data Sheet

0-1: $5.29
1-25: $3.54
25-100: $3.01
LTC4000EGN#TRPBF
LTC4000EGN#TRPBF


IC CHARGER BATTERY 28-SSOP

Data Sheet

0-2500: $3.04
LTC4000EGN-1#PBF
LTC4000EGN-1#PBF


IC CHARGE MGMT MULTI CHEM 28SSOP

Data Sheet

0-294: $3.01
LTC4000EGN-1#TRPBF
LTC4000EGN-1#TRPBF


IC CHARGE MGMT MULTI CHEM 28SSOP

Data Sheet

0-2500: $3.04
LTC4000EUFD#PBF
LTC4000EUFD#PBF


IC CHARGER BATTERY 28-QFN

Data Sheet

0-219: $2.88
LTC4000EUFD#TRPBF
LTC4000EUFD#TRPBF


IC CHARGER BATTERY 28-QFN

Data Sheet

0-2500: $2.91