The MP103 is a good efficiency off-line linear regulator that directly steps down the AC line voltage to a regulated DC voltage. It provides a simple solution to provide a bias voltage to any ICs in the off-line application. Off-line linear regulator is designed to replace the conventional switching converter; it features no inductor required, low EMI noise and low BOM cost.
MP103 features as a controller that supports to drive low cost bipolar junction transistor.MP103 integrates an adaptive active VB-VOUT charging window method. The MP103 only works when it is necessary and only when the loss generated on the device is minimal. Such operation can achieve good efficiency and can help the system meet the new standby power specification.
MP103 offers rich protections, such as Thermal Shutdown (TSD), Over Temperature Protection (OTP), VB Over Voltage Protection (OVP), VB Short to GND Protection, Over Load Protection (OLP), Short Circuit Protection (SCP), MP103 is available in the SOIC8E package.
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