ZHCSEK7D June 2015 – May 2021 LM53600-Q1 , LM53601-Q1
PRODUCTION DATA
- 1 特性
- 2 應用
- 3 說明
- 4 Revision History
- 5 Device Comparison
- 6 Pin Configuration and Functions
- 7 Specifications
- 8 Detailed Description
- 9 Applications and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
8.3.4 Hiccup Mode
In order to prevent excessive heating and power consumption under sustained short circuit conditions, a hiccup mode is included. If an over current condition is maintained, the LM53600-Q1 or LM53601-Q1 device shuts off its output and waits for tW (approximately 4.5 ms), after which the LM53600-Q1 or LM53601-Q1 restarts operation beginning by activating soft start.
Figure 8-4 Hiccup OperationFigure 8-4 shows hiccup mode operation: The switch node of the LM53600-Q1 LM53601-Q1 is high impedance after a short circuit or over current persists for a short duration. Periodically, the LM53600-Q1 or LM53601-Q1 attempts to restart. If the short has been removed before one of these restart attempts, the LM53600-Q1 or LM53601-Q1 operates normally.