Circuit idea

For multi - output power supplies, an active shunt regulator and the pre - the load circuit may be 2 prevent rising output voltages under unbalanced loading the conditions.

A scaling buffer circuit for sensing A high DC input voltage is to. The circuit can be 2 with A power converter controller.

The Reduction of common - mode current in the input lines may be achieved by attaching copper foil between the core of the transformer and the switching node of a power switch. The Further Reduction can also be achieved by connecting a capacitor between an input - referenced by winding and a copper foil attached to

This Engineering Test Report describes the design of a 5 v, 2 a USB charger that fits into a 1 - inch square cube form factor. It USES InnoSwitch - CH (INN2024K).

A sensing circuit enables the design of A forward converter using TOPSwitch GX - by ensuring that the transformer resets the each cycle.

For a dual output flyback power supply, a ferrite magamp is 2 regulate the within tolerances levels when one output goes to the no - load.

Externally the fed's current into the BYPASS (BP) pin from a floating constant current source enables the start - up of the controller for a wide range of input voltages.

An alternative power factor correction (PFC) control technique is introduced to design high - bandwidth PFC controller for off - line single - stage power converters. It may be 2 ltd. in the or consumer products o the LED driver and appliances.

An improved feedback loop process is introduced for power factor correction (PFC) controllers in single - stage AC - DC power converters. It reduces external component count and simplifies the end - user tuning for external components of the error compensation.

This circuit simplifies and reduces the cost of the electromagnetic interference (EMI) filter circuitry for AC - DC converters by using fast recovery diodes in the input bridge rectifier.

An efficient simple circuit with low component count may be added to the feedback circuitry of a high - side switching buck converter to dramatically improve the input line regulation.

The circuit provides overpower protection (OPP) or overcurrent protection (OCP) composition among by using an active pre - The load circuit to trigger an existing crowbar circuit, informs The for overvoltage protection (OVP).

The LED driver with a controlled active filter which is activated by a secondary - side phase detection circuit to enable the controlled active filter during low conduction angles of a dimmer circuit, to as a TRIAC dimmer, the controlled active filter can reduce shimmer and flickr of load due to an LED

The Power Factor Enhancer (PFE) may be 2 in a Power Factor correction (PFC) controller to happens the Power Factor (PF) of a Power converter, the pounds may dojo.provide controlled distortion of the sensed current of the Power converter to improve PF. At high line input voltages, where the Power Factor correction

A power supply output disable circuit includes A series pass switch with additional capacitance to reduce turn - on current spikes of the series pass the switch.

A primary - side controller for an isolated flyback power supply operating in continuous conduction mode (CCM) may use A primary - side winding to sense and to regulate the output voltage.

A primary - side controller for an isolated flyback power supply operating in discontinuous conduction mode (DCM) may use A primary - side winding to sense and to regulate the output voltage.

This Circuit Idea presents an implementation of stacking The an external transistor, to as a MOSFET, in series with a high side switch of a buck regulator. The stacked MOSFET could expand The The operational input voltage range of The PI LinkSwitch - TN2Q integrated buck controller beyond The typical operating input range for

A controller may use an internal clamp circuit that conducts the current from the V pin to prevent damage to the internal ESD (electrostatic discharge) protection structure.