Power Controllers

Power Controllers

Quad PSE Controller addresses IEEE 802.3at PoE+ standard.

Suited for power sourcing equipment, 4-port LTC4266 PoE Controller provides up to 100 W over 4-pair Ethernet cabling, and is fully compliant with IEEE 802.3at PoE+ standard. Device delivers low heat dissipation by using low RDS(ON) MOSFETs and 0.25 W sense resistors, eliminating need for heat sinks. Housed in 5 x 7 mm QFN-38 or SSOP-36 packages, controller includes advanced power management,...

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Power Controllers

Quad PSE Controller addresses IEEE 802.3at PoE+ standard.

Suited for power sourcing equipment, 4-port LTC4266 PoE Controller provides up to 100 W over 4-pair Ethernet cabling, and is fully compliant with IEEE 802.3at PoE+ standard. Device delivers low heat dissipation by using low RDS(ON) MOSFETs and 0.25 W sense resistors, eliminating need for heat sinks. Housed in 5 x 7 mm QFN-38 or SSOP-36 packages, controller includes advanced power management,...

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Power Controllers

High-Power PoE Controller delivers over 90% efficiency.

Compliant to IEEE 802.3at draft 4.0 standard, TPS23754 is suited for 13 or 26 W powered device (PD) applications - IP phones, wireless access points, and security cameras. Single-chip solution leverages 100 V manufacturing process and supports isolated flyback and forward DC/DC converter topologies that can achieve higher than 90% power conversion efficiency. Along with power source selection...

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Power Controllers

High-Power PoE Controller delivers over 90% efficiency.

Compliant to IEEE 802.3at draft 4.0 standard, TPS23754 is suited for 13 or 26 W powered device (PD) applications - IP phones, wireless access points, and security cameras. Single-chip solution leverages 100 V manufacturing process and supports isolated flyback and forward DC/DC converter topologies that can achieve higher than 90% power conversion efficiency. Along with power source selection...

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DC/DC Controller drives all N-channel power MOSFET stages.
Power Controllers

DC/DC Controller drives all N-channel power MOSFET stages.

MILPITAS, CA - May 20, 2009 - Linear Technology Corporation announces the LTC3854, a tiny 2mm x 3mm DFN-12 packaged, wide input voltage range synchronous step-down switching DC/DC controller that drives all N-channel power MOSFET stages. The 4V to 38V input range addresses a wide variety of applications, including most intermediate bus voltages and battery chemistries. The strong on-board MOSFET...

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DC/DC Controller drives all N-channel power MOSFET stages.
Power Controllers

DC/DC Controller drives all N-channel power MOSFET stages.

MILPITAS, CA - May 20, 2009 - Linear Technology Corporation announces the LTC3854, a tiny 2mm x 3mm DFN-12 packaged, wide input voltage range synchronous step-down switching DC/DC controller that drives all N-channel power MOSFET stages. The 4V to 38V input range addresses a wide variety of applications, including most intermediate bus voltages and battery chemistries. The strong on-board MOSFET...

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Power Controllers

DC/DC Controller makes positive/negative regulated voltages.

With input operating voltage from 2.9-40 V, LT3757 suits boost, flyback, SEPIC, and inverting power supply applications. It has 2 voltage feedback error amplifiers and reference voltages; one set for positive output with 1.60 V reference voltage, and other for negative output with -0.80 V reference voltage, both off single feedback pin. Unit features programmable fixed or synchronizable operating...

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Power Controllers

DC/DC Controller makes positive/negative regulated voltages.

With input operating voltage from 2.9-40 V, LT3757 suits boost, flyback, SEPIC, and inverting power supply applications. It has 2 voltage feedback error amplifiers and reference voltages; one set for positive output with 1.60 V reference voltage, and other for negative output with -0.80 V reference voltage, both off single feedback pin. Unit features programmable fixed or synchronizable operating...

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Power Controllers

Buck Regulator Reference Design simplifies DC-DC conversion.

Suited for designers of telecom, server, set-top box, and other consumer applications, synchronous RD278 features FAN21SV06, single supply, highly integrated 6 A buck solution that can be configured to work as either master or slave. Buck solution combines controller, driver, and optimized power MOSFETs in compact 5 x 6 mm MLP package and has wide operating range of 6.5-24 V. Regulator can be...

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Power Controllers

Buck Regulator Reference Design simplifies DC-DC conversion.

Suited for designers of telecom, server, set-top box, and other consumer applications, synchronous RD278 features FAN21SV06, single supply, highly integrated 6 A buck solution that can be configured to work as either master or slave. Buck solution combines controller, driver, and optimized power MOSFETs in compact 5 x 6 mm MLP package and has wide operating range of 6.5-24 V. Regulator can be...

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