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Network Communication

Richtek's total power solutions help you optimize designs to enable more reliable network and communication systems, including PoC, PoE, routers and set-top-boxes, etc. Our solutions deliver high flexibility and low power consumption in small package sizes to power up your system.

PoC (Power over Coaxial) Transmitters and Receivers for CCTV System

Buck Converter Buck Converter
Buck Converters 2 - for PoC Tx & Rx in CCTV System: 48V/53Vin to 12Vout
Part NumberDescriptionRelated Products
RT636360VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636360VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RT636560VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636560VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters

Power on Ethernet (PoE) Adapters

Buck Converter
Buck Converters 1 - for PoE Adapters: 48V/53Vin to 3.3Vout
Part NumberDescriptionRelated Products
RT636060VIN, 0.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636060VIN, 0.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RT636160VIN, 1.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636160VIN, 1.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RT636260VIN, 2.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636260VIN, 2.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RT636360VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636360VIN, 3.5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RT636560VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
RTQ636560VIN, 5A, Asynchronous Step-Down Converter with Low Quiescent CurrentSwitching Regulators > Step-Down (Buck) Converters
Buck Converter (2A~3A)
Part NumberDescriptionRelated Products
RT6252A/RT6252B17V Input, 2A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6253A/RT6253B17V Input, 3A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6254A/RT6254B4A, 18V, 500kHz, ACOT® Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converters
RT6255A/RT6255B5A, 18V, 500kHz, ACOTTM Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converters
RT6257A/RT6257B18V, 6A, 500kHz, ACOTTM Step-Down Converter in 6 pin TSOT-23Switching Regulators > Step-Down (Buck) Converters
RT6264A/RT6264B18V Input, 4A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6272A/RT6272B17V Input, 2A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6273A/RT6273B17V Input, 3A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6274C/RT6274D18V Input, 3.5A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
Buck Converter (2A~3A)
Part NumberDescriptionRelated Products
RT6252A/RT6252B17V Input, 2A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6253A/RT6253B17V Input, 3A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6254A/RT6254B4A, 18V, 500kHz, ACOT® Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converters
RT6255A/RT6255B5A, 18V, 500kHz, ACOTTM Step-Down ConverterSwitching Regulators > Step-Down (Buck) Converters
RT6257A/RT6257B18V, 6A, 500kHz, ACOTTM Step-Down Converter in 6 pin TSOT-23Switching Regulators > Step-Down (Buck) Converters
RT6264A/RT6264B18V Input, 4A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6272A/RT6272B17V Input, 2A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6273A/RT6273B17V Input, 3A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
RT6274C/RT6274D18V Input, 3.5A, ACOT® Buck Converter with Both FETs OC ProtectionSwitching Regulators > Step-Down (Buck) Converters
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