Patent ID: 11895749
Assignee: JOULWATT TECHNOLOGY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 16:
17. The LED drive circuit according to claim 16, wherein the first regulating unit further comprises:
a first multiplicative circuit, wherein the first multiplicative circuit is connected between the first input terminal of the first selecting unit and the second input terminal of the first selecting unit, and the first multiplicative circuit is configured to obtain the second maximum on-time parameter according to a first proportional coefficient and the first maximum on-time parameter;
a second multiplicative circuit, wherein the second multiplicative circuit is connected between the first input terminal of the second selecting unit and the second input terminal of the second selecting unit, and the second multiplicative circuit is configured to obtain the second current limit parameter according to a second proportional coefficient and the first current limit parameter, and
wherein the first proportional coefficient and the second proportional coefficient are both greater than 1.