Patent ID: 9685866
Date: 2017-06-20
CPC Classifications: G01R,G05F,H02H,H02M

Claim:
1. A shunt driver circuit having a first and a second connection terminal forming a two-wire interface, the first connection terminal being prepared to receive a supply power and to provide an output signal, the second connection terminal being connected to a reference potential terminal, an Operational Transconductance Amplifier, OTA, comprising a first input coupled to the first connection terminal, a second input for receiving a first reference signal and an output for providing a signal depending on a difference between an input signal on the first input and the first reference signal, a capacitor coupled between the output and the first input of the OTA via the second connection terminal in a control loop, and a controlled current source coupled between the output of the OTA and the second connection terminal, wherein the controlled current source is controlled to provide an additional current during a transient phase of the output signal.