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Description
This monolithic integrated circuit is an analog latch device with digital reset. It was specifically designed to provide pulse-by-pulse current limiting for switch-mode power supply systems, but many other application are also feasible. Its function is to provide a latching switch action upon sensing an input threshold voltage, with reset accomplished by an external clock signal. This device can be interfaced directly with many kinds of pulse width modulating control ICs, including the SG1524, SG1525A and SG1527A.
Specifications and features
• Current sensing with 100mV threshold
• Common-mode input at ground or to 40V
• Complementary outputs
• Automatic reset from PWM clock
• 180ns delay
• Interface direct to SG1524, SG1525A, SG1527AApplication Scenarios
This monolithic integrated circuit is suitable for various applications, including pulse-by-pulse current limiting for switch-mode power supply systems. It can also be used with pulse width modulating control ICs such as SG1524, SG1525A, and SG1527A.
Comparison
Advantages- Provides pulse-by-pulse current limiting
- Compatible with various pulse width modulating control ICs
- Can be used in switch-mode power supply systems
Disadvantages- None mentioned
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Similar parts: 430483 , Click to view
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Datasheet
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- Datasheet: Download SG2549Y
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- Last Updated: 2024/10/02 13:13 +0800
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