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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

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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

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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
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Buck Converter (2A~3A)
Buck Converter (2A~3A)
Buck Converter (2A~3A)
Buck Converter (2A~3A)
Buck Converter (2A~3A)
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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Buck Converter (2A~3A)
Buck Converter (2A~3A)
Buck Converter (2A~3A)
Buck Converter (2A~3A)
Buck Converter (2A~3A)
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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