Abstract: A power device includes a mainboard and a power conversion module. The mainboard includes a first side and a third side opposite each other along a first direction, a second side and a fourth side opposite each other along a second direction, the first direction is perpendicular to the second direction. The power conversion module includes a primary-side circuit board and a secondary-side module. The secondary-side module includes a secondary-side circuit board, and the primary-side circuit board, the mainboard and the secondary-side circuit board being electrically connected, the primary-side circuit board and the secondary-side circuit board are spatially separated. The secondary-side module further includes secondary-side element and a first magnetic core element, wherein the secondary-side element and the first magnetic core element are disposed on the secondary-side circuit board along a third direction perpendicular to the first direction and the second direction.

Abstract: A conversion device includes a primary side circuit, a secondary side circuit, a transformer, and a control circuit. The primary side circuit includes a primary side switch and is configured to receive an input voltage. The secondary side circuit outputs an output voltage to a load. The transformer comprises a primary winding and a secondary winding, the primary winding is electrically coupled to the primary side circuit and the secondary winding electrically coupled to the secondary side circuit. The control circuit is configured to control a peak value of the current of the primary side switch, to be limited in a band range.

Abstract: A power module includes a printed circuit board (PCB), a magnetic element, primary and secondary winding circuits and a regulator. The magnetic element is disposed on the PCB and has first to fourth sides. The second side is opposite to the first side, the fourth side is opposite to the third side. The primary winding circuit is disposed on the PCB and positioned in a vicinity of the first or second side. The secondary winding circuit is disposed on the first PCB and positioned in a vicinity of the third or fourth side. The regulator includes a switch disposed on the PCB, and coupled to the primary winding circuit. The at least one switch, the primary winding circuit, and the magnetic element are arranged in a first direction in order. A power device is also disclosed herein.

Abstract: The present disclosure provides a power conversion device. The power conversion device includes the multi-level power factor correction circuit, the at least one output capacitor, the at least one input capacitor group, the first resonant conversion circuit and the second resonant conversion circuit. The at least one input capacitor group includes the first input capacitor and the second input capacitor. The at least one output capacitor is connected to an output part of the multi-level power factor correction circuit. The at least one input capacitor group is connected to the at least one output capacitor in parallel. The second input capacitor is connected to the first input capacitor in series. The input part of the first resonant conversion circuit is connected to first input capacitor in parallel. The input part of the second resonant conversion circuit is connected to the second input capacitor in parallel.

Abstract: A resonant converter includes primary and secondary circuits, a transformer, a resonant network and a control circuit. The control circuit is coupled to the primary circuit and the secondary circuit, and configured to control primary switches of the primary circuit operating with a switching frequency. At least one of primary switches is configured to be turned on from a first switching moment until a second switching moment. The control circuit is configured to control secondary switches of the secondary circuit, such that at least one of secondary switches is turned on during a first time interval to increase a current of the resonant network in a first flowing direction and an output current in a second flowing direction or equal to zero.

Abstract: A novel derivative of parathyroid hormone is provided that has an extended time of action relative to known native parathyroid hormone agonist peptides, while minimizing excessive action shortly after administration. Compositions comprising the novel parathyroid hormone conjugates can be used to treat hypoparathyroidism and osteoporosis.

Abstract: A resonant converter includes a transformer, a resonant network, control circuit, primary and secondary circuits. One of the primary switches is turned on from a first switching moment until a second switching moment. The resonant network is coupled between the primary circuit and the primary winding. A current of the resonant network changes a direction at a first moment between the first and second switching moments. The secondary circuit is coupled to the secondary winding. One of the secondary switches is turned on during first and second preset time interval to increase the current in a direction by the secondary winding being clamped by a preset voltage, in which the output current is increased in an opposite direction or equal to zero.

Abstract: A resonant converter includes primary and secondary circuits, a transformer, a resonant network and a control circuit. The control circuit is coupled to the primary circuit and the secondary circuit, and configured to control primary switches of the primary circuit operating with a switching frequency. At least one of primary switches is configured to be turned on from a first switching moment until a second switching moment. The control circuit is configured to control secondary switches of the secondary circuit, such that at least one of secondary switches is turned on during a first time interval to increase a current of the resonant network in a first flowing direction and an output current in a second flowing direction or equal to zero.

Abstract: A resonant converter includes a transformer, a resonant network, control circuit, primary and secondary circuits. One of the primary switches is turned on from a first switching moment until a second switching moment. The resonant network is coupled between the primary circuit and the primary winding. A current of the resonant network changes a direction at a first moment between the first and second switching moments. The secondary circuit is coupled to the secondary winding. One of the secondary switches is turned on during first and second preset time interval to increase the current in a direction by the secondary winding being clamped by a preset voltage, in which the output current is increased in an opposite direction or equal to zero.

Abstract: The present disclosure provides a power conversion device. The power conversion device includes the multi-level power factor correction circuit, the at least one output capacitor, the at least one input capacitor group, the first resonant conversion circuit and the second resonant conversion circuit. The at least one input capacitor group includes the first input capacitor and the second input capacitor. The at least one output capacitor is connected to an output part of the multi-level power factor correction circuit. The at least one input capacitor group is connected to the at least one output capacitor in parallel. The second input capacitor is connected to the first input capacitor in series. The input part of the first resonant conversion circuit is connected to first input capacitor in parallel. The input part of the second resonant conversion circuit is connected to the second input capacitor in parallel.

Abstract: Power module includes transformer unit including primary and secondary windings and magnetic core; first and second capacitor units coupled to first terminal of primary winding of transformer unit through first node; first and second external pins respectively coupled to first terminal of first capacitor unit and second terminal of second capacitor unit; first and second switch units coupled to second terminal of primary winding of transformer unit thorough second node; third and fourth external pins respectively coupled to first terminal of first switch unit and second terminal of second switch unit; secondary-side circuit coupled to secondary winding; and fifth and sixth external pins electrically coupled to first and second output terminals of secondary-side circuit, respectively. First external pin is coupled to one of third and fourth external pins selectively.

Abstract: Power module includes transformer unit including primary and secondary windings and magnetic core; first and second capacitor units coupled to first terminal of primary winding of transformer unit through first node; first and second external pins respectively coupled to first terminal of first capacitor unit and second terminal of second capacitor unit; first and second switch units coupled to second terminal of primary winding of transformer unit thorough second node; third and fourth external pins respectively coupled to first terminal of first switch unit and second terminal of second switch unit; secondary-side circuit coupled to secondary winding; and fifth and sixth external pins electrically coupled to first and second output terminals of secondary-side circuit, respectively. First external pin is coupled to one of third and fourth external pins selectively.

Abstract: A converter includes a transformer, an active clamp circuit, a primary side switch, a secondary side switch, a load detection circuit, a state detection circuit and a control circuit. The active clamp circuit is electrically coupled to the primary winding of the transformer, and includes a clamp switch. The primary side switch is electrically coupled to the primary winding and a primary ground terminal. The secondary side switch is electrically coupled to a secondary winding of the transformer and a load. The control circuit outputs a control signal to turn on or turn off the clamp switch. The control circuit sets a blanking time according to the load state signal, such that the clamp switch is turned on when a drain-source voltage of the primary side switch is at a peak value of a resonance after the blanking time starting from the reference time point.

Abstract: A converter includes a transformer, an active clamp circuit, a primary side switch, a secondary side switch, a load detection circuit, a state detection circuit and a control circuit. The active clamp circuit is electrically coupled to the primary winding of the transformer, and includes a clamp switch. The primary side switch is electrically coupled to the primary winding and a primary ground terminal. The secondary side switch is electrically coupled to a secondary winding of the transformer and a load. The control circuit outputs a control signal to turn on or turn off the clamp switch. The control circuit sets a blanking time according to the load state signal, such that the clamp switch is turned on when a drain-source voltage of the primary side switch is at a peak value of a resonance after the blanking time starting from the reference time point.

Abstract: A conversion device includes a primary side circuit, a secondary side circuit, a transformer, and a control circuit. The primary side circuit includes a primary side switch and is configured to receive an input voltage. The secondary side circuit outputs an output voltage to a load. The transformer comprises a primary winding and a secondary winding, the primary winding is electrically coupled to the primary side circuit and the secondary winding electrically coupled to the secondary side circuit. The control circuit is configured to control a peak value of the current of the primary side switch, to be limited in a band range.

Abstract: A power module includes a printed circuit board (PCB), a magnetic element, primary and secondary winding circuits and a regulator. The magnetic element is disposed on the PCB and has first to fourth sides. The second side is opposite to the first side, the fourth side is opposite to the third side. The primary winding circuit is disposed on the PCB and positioned in a vicinity of the first or second side. The secondary winding circuit is disposed on the first PCB and positioned in a vicinity of the third or fourth side. The regulator includes a switch disposed on the PCB, and coupled to the primary winding circuit. The at least one switch, the primary winding circuit, and the magnetic element are arranged in a first direction in order. A power device is also disclosed herein.

Abstract: A converter includes a transformer, a primary side switch, a load detection circuit, a state detection circuit and a control circuit. The transformer is configured to output a voltage to a load. The primary side switch is coupled to a primary winding and a primary ground terminal. The load detection circuit is configured to detect a load state of the load and output a load state signal. The state detection circuit is configured to detect a reference time point. The control circuit is configured to output a control signal to turn on or off the primary side switch. The control circuit further sets a blanking time according to the load state signal, such that the primary side switch is turned on when a drain-source voltage of the primary side switch is at a valley of the resonance after the blanking time starting from the reference time point.

Abstract: A power module includes a printed circuit board (PCB), a magnetic element, primary and secondary winding circuits and a regulator. The magnetic element is disposed on the PCB and has first to fourth sides. The second side is opposite to the first side, the fourth side is opposite to the third side. The primary winding circuit is disposed on the PCB and positioned in a vicinity of the first or second side. The secondary winding circuit is disposed on the first PCB and positioned in a vicinity of the third or fourth side. The regulator includes a switch disposed on the PCB, and coupled to the primary winding circuit. The switch and the magnetic element are positioned in two vicinities of two opposite sides of the primary winding circuit, respectively. A power device is also disclosed herein.

Abstract: A conversion device includes a primary side circuit, a secondary side circuit, a transformer, and a control circuit. The primary side circuit includes a primary side switch and is configured to receive an input voltage. The secondary side circuit outputs an output voltage to a load. The transformer comprises a primary winding and a secondary winding, the primary winding is electrically coupled to the primary side circuit and the secondary winding electrically coupled to the secondary side circuit. The control circuit is configured to control a peak value of the current flowing through the primary side switch, to be limited in a band range.

Abstract: A converter includes a transformer, a primary side switch, a load detection circuit, a state detection circuit and a control circuit. The transformer is configured to output a voltage to a load. The primary side switch is coupled to a primary winding and a primary ground terminal. The load detection circuit is configured to detect a load state of the load and output a load state signal. The state detection circuit is configured to detect a reference time point. The control circuit is configured to output a control signal to turn on or off the primary side switch. The control circuit further sets a blanking time according to the load state signal, such that the primary side switch is turned on when a drain-source voltage of the primary side switch is at a valley of the resonance after the blanking time starting from the reference time point.