参考设计(62)
38Vdc-60Vdc Input, 6V @ 20A Output, Active Clamp Forward
PMP4074: The PMP4074 reference design provides 6V at 120W from a 48V telecom input with 94% efficiency. This design uses the UCC2897A active clamp controller along with self-driven synchronous rectifiers. This design includes a remote sense function for improved voltage regulation at the point of load.
55V-90VDC Input, 12V/5A Active Clamp Forward
PMP4752: This reference design uses the UCC2897A active clamp controller to generate an isolated 12V/60W output from a 55V to 90V input. Synchronous rectifiers allow this converter to achieve efficiencies up to 93%.
24V@2A, 5V@0.6A PFC Flyback
PMP5688.2: This Buck converter accepts the 24V input from PMP5688.1 and supplies the digital part of the load in LED digital architectures.
48Vdc Input, dual output (8V @ 0.25A) Isolated Flyback
PMP5847.2: This reference design uses the TPS40210 current mode controller to generate an isolated 6V/0.25A output and a non-isolated 8V/0.25A output over an input voltage rage of 40V - 60V DC. Isolation is achieved without the use of an optocoupler.
12V 1A Isolated PoE PD Power Supply Reference Design
PMP940: PMP940 is a high efficiency, isolated, synchrounous flyback Power-over-Ethernet PD power supply reference design intended to ease implementation of PoE in devices such as IP phones, WLAN AP's and security cameras. The reference design uses a TPS2375 PoE Powered Device Controller to implement all necessary detection, classification, inrush current limiting, UVLO and switch FET control necessary to be compliant with the IEEE802.3af Power-over-Ethernet standard. A UCC3809 Economy Primary Side Controller is used to generate 12V at 1A from the 48V PoE input. The design is optimized for maximum efficiency in the smallest board area possible.
Isolated, Low Cost, Non-Synchronous PoE PD Power Supply Reference Design
PMP717: PMP717 is a low cost, isolated, non-synchrounous Power-over-Ethernet PD power supply reference design intended to ease implementation of PoE in devices such as IP phones, WLAN AP's and security cameras. The reference design uses a TPS2375 PoE Powered Device Controller to implement all necessary detection, classification, inrush current limiting, UVLO and switch FET control necessary to be compliant with the IEEE802.3af Power-over-Ethernet standard. A UCC3809 Economy Primary Side Controller is used to generate 3.3V at 1.5A from the 48V PoE input. The design is optimized for low cost and smallest board area possible.
85-265VACin, 24V/0.7A, 5V/0.25A
PMP5536: The PMP5536 is a quasi-resonant isolated flyback; the input voiltage is the universal range and two outputs provide 5V @ 250mA, from an LDO, and a regulated 24V @ 700mA, 2.5A peak for 30milliseconds.
Flyback 12V@5A
PMP4705: The PMP4705 is a reference design for a 12V Bus Voltage. It can operate from a wide input voltage range (100VAC to 240VAC). It’s a flyback topology with a pfc.
BALLAST 50V@1.4A
PMP4518: The PMP4518 is an isolated single-stage PFC flyback. The voltage loop is closed to the secondary side and supplies a constant 50V @ 1.4A bus voltage for LED applications. The input voltage is 108V…305Vac
85VAC-265VAC Input, 12V/3A Output Green-Mode Synchronous Flyback
PMP4820: The PMP4820 reference design use the UCC28600 green-mode controller with a synchronous rectifier to provide good efficiency at heavy loads while maintaining low power consumption at light loads. The maximum load efficiency is over 87%, and the no load losses are less than 150mW.
Continuous Flyback for Voice over IP (VoIP) ringer (120V @ 40mA)
PMP1511.2: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
90VAC-265VAC Input, 12V/4.2A Quasi-Resonant Flyback
PMP4891: This reference design delivers up to 50W on a 12V output from a universal AC input. The UCC28600 quasi-resonant flyback controller provides an efficient and low-cost solution. The peak efficiency is over 85%, while no load losses are kept below 300mW.
Continuous Flyback for Voice over IP (VoIP) ringer (48V @ 30mA)
PMP1511.1: PMP1511 is a continous flyback circuit using the UCC2809. The input is 12V to 16.5V. The design provides two isolated outputs: 120V @ 40mA and 48V @ 30mA. The 120V output is regulated using opto feedback. The 48V is regulated through the coupling.
Laser and Ionization Unit
PMP2534: The PMP2534 is composed of two times active clamp forward, delivering 0…35V@10Amax, two current limit functions to protect the 3.3V and 5V outputs and some interface for a microcntroller. The active clamps are constant voltage and/or constant current controllable by means of two PWM inputs. This power supply is suitable as general bench power generator from a desktop standard PSU as source.
Class 3- PoE controller 12V@0.6A
PMP5595: This power supply replaces a small PoE module and delivers 12V @ 600mA. The board layout has been routed by separating the module into two parts: the input filter and bridge from the power stage.
Direct Type/ Local Dimming (Conventional TV power + Boost + LED driver)
PMP4298: In this topology, the UCC28051 is a boost transition mode (TM) power factor corrector (PFC), which can rectify an AC input line voltage to 380V DC; the resonant LLC stage UCC25600 regulates the output to 24V/2A for an audio amplifier with feedback to the LLC controller, and 48V for the LED driver input. The flyback with UCC28610 in parallel generates 5V/3A for the system board and 5V/1A for standby power. In the LED driver stage, the 48V input voltage requires another front end boost stage to boost the output voltage to 80V, which connects to the eight-channel TLC5960 with 20LEDs at 120mA per string.This technique is the most common type of current LED backlight; the LLC design is easily implemented. The intelligent headroom voltage monitor (oriHVM™) automatically minimizes the power loss caused by the LED forward voltage change. Only a single additional resistor regulates the boost dc-dc output voltage.
50W PFC LED Drive Transition Mode Flyback
PMP2698: This active power factor correction, transition mode, isolated flyback generates a constant current of 3.5A on an LED string from high line (180 to 264Vac). The output accepts a voltage range of 8 to 28V. The open LED protection (overvoltage) is set to 27V maximum.
150W 51.5V Bus Voltage Generator
PMP5687: A transition mode (TM) Boost PFC and a TM Buck deliver from high line a clean 80mA current to a LED string, max. voltage 312V. The PCB board has been developed to fit into a T8 fluorescent tube, suitable for retrofit purpose. A PWM dimming input is also included.
25V @ 2A PFC Flyback
PMP5560: The PMP5560 is a constant current LED driver, including the PFC function, delivering 12V to 25V with a constant current of 2A. The input voltage is the high line.
Class 3- 13W PoE EVM 3.3V@3A/5V@2A
PMP4507: This PMP4507 delivers 3.3V@3A or 5V@2A from a PoE source, standard 13W limit. The converter accepts also an external voltage from an adapter ranging 12V to 54V input.
85 -265V AC in, 24V/0.7A, 5V/0.25A AC/DC Open Frame Power Supply
PMP7148.2: This reference design is a quasi-resonant isolated flyback. The input voltage is the universal 85 - 265V AC range and two outputs provide 5V @ 250mA, from an LDO, and a regulated 24V @ 700mA, 2.5A peak for 30milliseconds, employing the UCC28600D Flyback controller.
24V@2A, 5V@0.6A PFC Flyback
PMP5688.1: From universal mains to 24V @ 2A constant voltage, this converter, that includes the PFC function, found typical application in LED bus voltage generation. A further Buck provides 5V @ 600mA for the digital part of the load.
3V-6V Input, 5V/0.5A 1MHz Isolated Flyback
PMP4190: This reference design uses the TPS61175 boost converter to drive a flyback power stage. With its integrated MOSFET, the TPS61175 reduces the circuit complexity and footprint. In addition, operating at 1MHz reduces the size of the passive components.
LED Driver for Area Light
PMP5732: The PMP5732 is a LED driver for area light. It can operate from an input voltage range (100VAC to 277VAC). It's a flyback topology with analog dimming.
5V, 4.8A High Efficiency Active Clamp Forward Converter for PoE Applications
PMP5818: This converter is used for Class 4 PoE applications where high efficiency is required. The active clamp forward converter with synchronous rectifiers provides excellent efficiency and small size for PoE applications such as a wireless access point. The TPS23754 contains both the PoE Powered Device and the PWM controller functions.
Universal Line, 12V/7A
PMP2723: From universal input mains the PMP2723 suplies 12V @ 7A with a Flyback topology. The converter works in quasi-resonant (valley switching) mode, achieving high efficiency and low stand-by losses.
Isolated Flyback 12V@0.8A
PMP4567: Very simple "50Hz transformer" replacement, when efficiency and stand-by performance play a key role. Input voltage 162Vac to 265Vac and 12V @ 0.8A provide the typical replacement of a 10W isolation transformer.
36VDC-72VDC Input, 5V/60A Interleaved Active Clamp Forward
PMP2214: This reference design generates a 5V/60A output from a standard 48V telecom input. Two UCC2891controllers are configured to control two interleaved active-clamp forward power stages. The secondary circuitry implements self-driven synchronous rectifiers for a highly efficient design. This design includes trimming, remote sense, and output overvoltage features.
PFC/Flyback for LED Lighting - 59V@2.5A
PMP4636: PMP4636 is an active power factor correction, transition mode, isolated flyback that generates a bus voltage of 59V@2.5A starting from high line. This voltage will supply several buck converters needed to provide constant current to different LED strings.
70W PFC LED Bus Voltage Generator
PMP4625: The PMP4625 is an isolated single-stage PFC flyback. The voltage loop is closed to the secondary side and supplies a constant 50V @ 1.4A bus voltage for LED applications. The input voltage is 180Vac to 265Vac
SEPIC 16V@4A for Automotive
PMP5319: This SEPIC converter provides a regulated 16V output from a 8V – 32V input and achieves an efficiency as high as 93%. Possible applications include automotive, chargers, and industrial.
Offline 25W power supply (9V @ 1A)
PMP5554.2: The PMP5554 is a reference design for a 25W offline power supply. It can operate from a universal input voltage range (85VAC to 265VAC). It's a flyback topology with 3 output voltages.
LED driver 80V@2A
PMP4530: From the low mains (85Vac…132Vac) the PMP4530 supplies 80V @ 2A constant voltage with a PFC Flyback single stage topology. The output is usually connected to several Buck post regulators to LED strings.
Class 3- 13W PoE EVM 3.3V@3A/5V@2A
PMP2735: This PMP2735 delivers 3.3V@3A or 5V@2A from a PoE source, standard 13W limit. The converter accepts also an external voltage from an adapter ranging 12V to 54V input.
48Vdc Input, dual output (6V @ 0.25A) Isolated Flyback
PMP5847.1: This reference design uses the TPS40210 current mode controller to generate an isolated 6V/0.25A output and a non-isolated 8V/0.25A output over an input voltage rage of 40V - 60V DC. Isolation is achieved without the use of an optocoupler.
Offline 25W power supply (12V @ 100mA)
PMP5554.3: The PMP5554 is a reference design for a 25W offline power supply. It can operate from a universal input voltage range (85VAC to 265VAC). It's a flyback topology with 3 output voltages.
36V-72V Input 12V/9A; 95% Efficient Active Clamp Forward
PMP5426: The PMP5426 reference design provides 12V at 9A from a standard 48V telecom input with greater than 95% efficiency. This design uses the UCC2897A active clamp controller with self-driven synchronous rectifiers to achieve very high efficiency.
28V @ 1.4A PFC Flyback
PMP4715: The PMP4715 is a constant current LED driver, including the PFC function, delivering 12V to 28V with a constant current of 1.4A. The input voltage is the high line.
85 -265V AC in, 24V/0.7A, 5V/0.25A AC/DC Open Frame Power Supply
PMP7148.1: This reference design is a quasi-resonant isolated flyback. The input voltage is the universal 85 - 265V AC range and two outputs provide 5V @ 250mA, from an LDO, and a regulated 24V @ 700mA, 2.5A peak for 30milliseconds, employing the UCC28600D Flyback controller.
Class 2- Low Cost 3.3V/1.8A Flyback Converter for PoE Applications
PMP7298: This converter is used for Class 2 or 3 PoE applications. The flyback converter with diode rectifier offers low cost while still achieving good efficiency. This converter is well sutied for PoE applications such as IP phones. The TPS23753A contains both the PoE Powered Device and the PWM controller functions.
400VDC Input 12V/60W Synchronous Flyback
PMP5195: The PMP5195 reference design generates an isolated 5V at 60W. This design uses the UCC28610 quasi-resonant flyback controller in conjunction with current-transformer-driven synchronous rectifiers to provide good efficiency at heavy loads while maintaining low power consumption at light loads. The maximum load efficiency is over 90%, and the no load losses are less than 200mW when powered from a 400VDC input voltage.
Offline 25W power supply (15V @ 1A)
PMP5554.1: The PMP5554 is a reference design for a 25W offline power supply. It can operate from a universal input voltage range (85VAC to 265VAC). It's a flyback topology with 3 output voltages.
36V-72VDC Input Active Clamp Forward With Dual 12V/50W Outputs
PMP4028: This power supply design generates a 12V/100W isolated output from a standard 48V telecom input. An active clamp forward converter is controlled by the UCC2897A. The INA202 and an external PFET are used to provide a current limited 12V/4.5A output derived from the main 12V output of the forward converter. This power supply has a peak efficiency of over 94%.