UCC256303 Series

Wide vin LLC resonant controller with high-voltage start up enabling ultra-low standby power

Catalog

Wide vin LLC resonant controller with high-voltage start up enabling ultra-low standby power

Part	Operating Temperature [Min]	Operating Temperature [Max]	Frequency - Switching [Min]	Frequency - Switching [Max]	Output Type	Duty Cycle (Max) [Max]	Package / Case [y]	Package / Case	Package / Case	Package / Case [x]	Mounting Type	Output Phases	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Control Features	Output Configuration	Topology	Number of Outputs	Board Type	Main Purpose	Utilized IC / Part	Outputs and Type	Outputs and Type	Voltage - Output	Regulator Topology	Supplied Contents	Current - Output	Voltage - Input [Min]	Voltage - Input [Max]
Texas Instruments UCC25630-2DDBR	-40 °C	125 ¯C	35 kHz	1 MHz	Transistor Driver	50 %	3.9 mm	16-SOIC	14 Leads	0.154 in	Surface Mount	1	13 V	26 V	Hybrid Hysteretic Control (HHC)	Isolation Capable Positive	Half-Bridge	1
Texas Instruments UCC25630-3DDBR	-40 °C	125 ¯C	35 kHz	1 MHz	Transistor Driver	50 %	3.9 mm	16-SOIC	14 Leads	0.154 in	Surface Mount	1	11.25 V	26 V	Hybrid Hysteretic Control (HHC)	Isolation Capable Positive	Half-Bridge	1
Texas Instruments UCC25630-4DDBT	-40 °C	125 ¯C	35 kHz	1 MHz	Transistor Driver	50 %	3.9 mm	16-SOIC	14 Leads	0.154 in	Surface Mount	1	13 V	26 V	Hybrid Hysteretic Control (HHC)	Isolation Capable Positive	Half-Bridge	1
Texas Instruments UCC25630-3DDBT	-40 °C	125 ¯C	35 kHz	1 MHz	Transistor Driver	50 %	3.9 mm	16-SOIC	14 Leads	0.154 in	Surface Mount	1	11.25 V	26 V	Hybrid Hysteretic Control (HHC)	Isolation Capable Positive	Half-Bridge	1
Texas Instruments UCC25630-1EVM-291																			Fully Populated	DC/DC Converter	UCC256301	Non-Isolated	1	12 V	Resonant	Board(s)	10 A	85 VAC 340 V	264 VAC 410 V
Texas Instruments UCC25630-1DDBR	-40 °C	125 ¯C	35 kHz	1 MHz	Transistor Driver	50 %	3.9 mm	16-SOIC	14 Leads	0.154 in	Surface Mount	1	13 V	26 V	Hybrid Hysteretic Control (HHC)	Isolation Capable Positive	Half-Bridge	1

Catalog

Wide vin LLC resonant controller with high-voltage start up enabling ultra-low standby power

Key Features

• Integrated High Voltage StartupEliminates Need for ExternalBias SupplyBest-in-Class Transient ResponseHybrid Hysteretic Control (HHC)Best-in-Class Transient ResponseEasy Compensation DesignOptimized Low Power Features Enable 75 mWStandby Power Design with PFC onAdvanced Burst ModeOpto-Coupler Low Power OperationHelps Enable Compliance to CoC Tier II StandardFast Exit from Burst ModeImproved Capacitive Region Avoidance SchemeAdaptive Dead-TimeInternal High-Side Gate Drivers(0.6-A and 1.2-A Capability)Robust Soft Start with No Hard SwitchingOver Temperature, Output Over Voltage, InputOver and Under Voltage Protection withThree Levels of Over Current ProtectionsWide Operating Frequency Range(35 kHz to 1 MHz)Select the appropriate LLC resonant controller for your design with UCC25630x Selection GuideUCC25630x Selection GuideCreate a Custom Design Using the UCC256302 With theWEBENCH®Power DesignerIntegrated High Voltage StartupEliminates Need for ExternalBias SupplyBest-in-Class Transient ResponseHybrid Hysteretic Control (HHC)Best-in-Class Transient ResponseEasy Compensation DesignOptimized Low Power Features Enable 75 mWStandby Power Design with PFC onAdvanced Burst ModeOpto-Coupler Low Power OperationHelps Enable Compliance to CoC Tier II StandardFast Exit from Burst ModeImproved Capacitive Region Avoidance SchemeAdaptive Dead-TimeInternal High-Side Gate Drivers(0.6-A and 1.2-A Capability)Robust Soft Start with No Hard SwitchingOver Temperature, Output Over Voltage, InputOver and Under Voltage Protection withThree Levels of Over Current ProtectionsWide Operating Frequency Range(35 kHz to 1 MHz)Select the appropriate LLC resonant controller for your design with UCC25630x Selection GuideUCC25630x Selection GuideCreate a Custom Design Using the UCC256302 With theWEBENCH®Power Designer

Description

The UCC256303 is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC stage to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter, and with PFC stage running all the time. UCC256303 includes a range of features designed to make LLC converter operation well controlled and robust. This device aims to unburden the LLC designer and allow mainstream applications to benefit from efficiency advantages of the LLC topology. UCC256303 uses hybrid hysteretic control to provide best in class line and load transient response. The control effort is approximately linearly proportional to average input current in one cycle. The control makes the open loop transfer function a first order system so that it’s very easy to compensate. The system is always stable with proper frequency compensation. UCC256303 provides a high efficient burst mode with consistent burst power level during each burst on cycle. The burst power level is programmable and adaptively changes with input voltage, making the optimization of efficiency very easy. The UCC256303 is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC stage to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter, and with PFC stage running all the time. UCC256303 includes a range of features designed to make LLC converter operation well controlled and robust. This device aims to unburden the LLC designer and allow mainstream applications to benefit from efficiency advantages of the LLC topology. UCC256303 uses hybrid hysteretic control to provide best in class line and load transient response. The control effort is approximately linearly proportional to average input current in one cycle. The control makes the open loop transfer function a first order system so that it’s very easy to compensate. The system is always stable with proper frequency compensation. UCC256303 provides a high efficient burst mode with consistent burst power level during each burst on cycle. The burst power level is programmable and adaptively changes with input voltage, making the optimization of efficiency very easy.