Invention Grant
- Patent Title: Control circuit for a switching regulator driving an LED load with controlled PWM dimming
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Application No.: US14620656Application Date: 2015-02-12
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Publication No.: US09774257B2Publication Date: 2017-09-26
- Inventor: Joshua Wibben , Kurt Kimber , Peter Tod
- Applicant: Allegro Microsystems, LLC
- Applicant Address: US MA Worcester
- Assignee: ALLEGRO MICROSYSTEMS, LLC
- Current Assignee: ALLEGRO MICROSYSTEMS, LLC
- Current Assignee Address: US MA Worcester
- Agency: Daly, Crowley, Mofford & Durkee, LLP
- Main IPC: H02M3/158
- IPC: H02M3/158 ; H05B33/08
Abstract:
A switching regulator control circuit includes a circuit configured to generate a control signal to control conduction of the regulator switch in response to a reference signal that is ramped to control a rate of change of the regulated output of the regulator and the control signal is gated in response to a PWM signal.
Public/Granted literature
- US20150340950A1 Switching Regulator Control Circuit Public/Granted day:2015-11-26
Information query
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