The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 18, 2022

Filed:

Oct. 31, 2019
Applicant:

Lii Semiconductor Co., Ltd., Suzhou, CN;

Inventors:

Jie Zhang, Suzhou, CN;

Min Zhu, Suzhou, CN;

Fulong Wang, Suzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/335 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
H02M 3/335 (2013.01); H02M 1/0025 (2021.05); H02M 1/0009 (2021.05);
Abstract

A constant-current output control circuit includes a control module, a first resistor, a capacitor, and an error amplifier; the control module is connected to an adjustable control voltage and a detection signal, and the non-inverting input end of the error amplifier is connected to the reference voltage, the inverting input end of the error amplifier is connected to the first end of the first resistor, the output end of the error amplifier is connected to the circuit to be connected, and the first end of the capacitor is connected to the first end of the first resistor, the second end of the capacitor is connected to the output end of the error amplifier, and the second end of the first resistor is connected to the control module. The design method of the circuit is also disclosed.


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