参考设计
(24)
36 to 75Vin 22V-32V/5A Output Active Clamp Forward Reference Design
PMP9127: This reference design generates a 28V/5A output from a 36V to 75V telecom input. The UCC2897A controls an active clamp forward converter power stage. The output is adjustable within a 22V to 32V range. The UCC27511 is used to drive synchronous rectifiers, and provides for a highly efficient design. This design is laid out on a circuit board with pin placement that is compatible with a 1/4 brick footprint and achieves efficiencies over to 94%. It uses only surface mount components, including ceramic output capacitors.
310W PSU Using Transition Mode Bridgeless PFC and LLC-SRC - Reference Design
PMP9640: High efficiency, high power factor and reliable power supply are the main focus of the PMP9640 design for motor driver applications. Low cost analog transition mode (TM) PFC controller UCC28051 has been used for bridgeless PFC as the first conversion stage of the PMP9640. LLC series resonant converter (SRC) with UCC25600 is applied as the second stage of the PMP9640. In addition, a high-side buck converter with UCC28710 is applied here as the bias supply. In this design, bridgeless PFC efficiency can go up to 98.5%.
18-60VDCin, 6V/31A Active Clamp Forward Reference Design
PMP10395: This reference design generates a 6V/31A output from a wide range 18V to 60V DC telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD18540Q5B, implemented as self-driven synchronous rectifiers, allow this design to achieve a max load efficiency over 94%. The compact UCC27511 drivers simplify the gate drive circuitry for the synchronous rectifiers.
Small Form Factor 10W Offline Flyback Power Supply Reference Design
PMP9517: The PMP9517 is a high density constant voltage / constant current power supply with an 85VAC-265VAC input range and 5V/10W outptut. The design features primary side regulation (PSR) of a low cost power transistor (BJT). With low component count and low cost, the design is suitable for USB type power supplies used in smart phones, tablets, PDAs or digital cameras. This design is similar to PMP9135 but with a smaller overall size.
48V-60VDC Input, 12V/250W Active Clamp Forward Reference Design
PMP9656: This reference design generates a 12V/21A output from 54V DC input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD18532Q5B, implemented as self-driven synchronous rectifiers, allow this design to achieve a max load efficiency of nearly 96%. The compact UCC27511 drivers simplify the gate drive circuitry for the synchronous rectifiers.
High Efficiency 100W Active Clamp Forward 220V-400VDC Input, 28V/ 3.6A Reference Design
PMP7453: This reference design generates an isolated 28V/100W output from a high voltage DC input. This design is intended to operate from the output of PFC front end regulator. The UCC2897A is used to control an active clamp forward converter. Self-driven synchronous rectifiers allow for over 92% efficiency. An accurate current limit is provided by directly sensing the output current. A clock pulse output is also provided for synchronizing with other converters.
85V - 265V AC in, 12V/3.3A AC/DC Open Frame Power Supply Based on PSR Flyback Reference Design
PMP9576: This reference design provides an isolated 12V/3.3A output from a universal 85V-265V AC input. This design achieves efficiencies greater than 84%. Employing the UCC28710D Primary Side Regulation (PSR) Flyback controller eliminates the opto-coupler and secondary side regulation components. The energy saving features of the UCC28710D allow this design to consume less than 75mW when plugged into the wall with no device attached to the output.
18Vdc-60Vdc Input, 3.3V/15A Active Clamp Forward, 1/8 Brick Reference Design
PMP8973: The PMP8973 reference design generates a 3.3V/15A output from an 18V to 60V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD16415Q5 and CSD18502Q5B, implemented as synchronous rectifiers, provides for a highly efficient design. This design is laid out in a standard eighth brick footprint and achieves peak efficiencies over 92%. It includes remote sensing of the output voltage.
350W PSU with Universal AC Input and 28V Output - Reference Design
PMP9531: High efficiency, high power factor and reliable power supply are the main focus of the PMP9531 design for motor driver applications. Transition mode (TM) power factor correction (PFC) with UCC28051 and LLC series resonant converter (SRC) with UCC25600 are applied in PMP9531. In addition, a high-side buck converter with UCC28710 is applied here as the bias supply. 93% converter efficiency is achieved at high line while still obtaining 90% converter efficiency at low line.
18V-75V Input, 12V@12A Active Clamp Forward
PMP8380: This reference design provides 12V at 12A from a wide range 18V-75V telecom input with greater than 94% efficiency. This design uses the UCC2897A active clamp controller with synchronous rectifiers for an efficient, yet cost effective solution that can operate from either a 24VDC or 48VDC input bus.
8V-36V Input 12V/7A; Active Clamp Forward Reference Design
PMP5123: This reference design generates an isolated 12V/7A output from an 8V to 36V DC input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD19533Q5A and CSD19534Q5A allow this design to achieve a max load efficiency over 93%, with a peak efficiency of over 94%. The compact UCC27511 drivers simplify the gate drive circuitry for the synchronous rectifiers.
18 to 72Vdc Input 12V/10A Active Clamp Forward 1/4 Brick Reference Design
PMP8861: This reference design generates a 12V/10A output from a wide range 18V to 72V telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD18533Q5A, implemented as a synchronous rectifier, provides for a highly efficient design. This design is laid out in a standard quarter brick footprint and achieves efficiencies near 95%.
85-480VAC Input, Triple Ouput (12V/0.7A) AC/DC Flyback Reference Design
PMP10344: This reference design generates three separate isolated 12V/0.77A outputs from either an 85-265VAC single phase input or a 200-480VAC-LL three phase input. The UCC28700 controls a flyback converter power stage. The primary side regulation feature of the UCC28700 eliminates the need for an optocoupler, reducing cost and complexity. The three outputs are isolated from each other and can be stacked in series to generate higher output voltages.
36V-72Vdc Input, 12V/200W Active Clamp Forward - Reference Design
PMP3162: This reference design generates a 12V/16A output from a standard 48V DC telecom input. The UCC2897A controls an active clamp forward converter power stage. The low gate charge and low RDSon of the CSD19533Q51, implemented as self-driven synchronous rectifiers, allow this design to achieve a peak efficiency of 95%. The compact UCC27511 drivers simplify the gate drive circuitry for the synchronous rectifiers.
