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Wide input voltage range power supply circuit
US9155232B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9155232-B2 |
| Application number | US-201313738628-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 10, 2013 |
| Priority date | Jan 10, 2013 |
| Publication date | Oct 6, 2015 |
| Grant date | Oct 6, 2015 |
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Abstract
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An under voltage lockout circuit configured to set a minimum turn-on voltage for a load is provided. The circuit includes an input terminal configured to receive an input voltage. The circuit includes a first transistor configured to become conductive to supply the input voltage to the load when an input voltage to the under voltage lockout circuit exceeds a threshold, and a second transistor coupled to the first transistor, the second transistor configured to become conductive to supply the input voltage to a first resistor and not to the load when an input voltage to the under voltage lockout circuit falls below the threshold.
First claim
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I claim: 1. A wide input voltage power supply circuit for a load, the circuit comprising: a first stage comprising a linear regulator circuit configured to maintain an output voltage at a predetermined output voltage level, the linear regulator including an input for shutting the linear regulator off when an input voltage exceeds a predetermined shut off threshold; and a second stage comprising an under voltage lockout circuit coupled to an output of the linear regulator, the un…
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Frequently asked questions
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- What does patent US9155232B2 cover?
- An under voltage lockout circuit configured to set a minimum turn-on voltage for a load is provided. The circuit includes an input terminal configured to receive an input voltage. The circuit includes a first transistor configured to become conductive to supply the input voltage to the load when an input voltage to the under voltage lockout circuit exceeds a threshold, and a second transistor c…
- Who is the assignee on this patent?
- Gasperi Michael, Rockwell Automation Tech Inc
- What technology area does this patent fall under?
- Primary CPC classification H05K9/00. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Oct 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).