CHL8102-01CRT

Series:	*
Part Status:	Obsolete

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CHL8102-01CRT Application Field and Working Principle

Introduction

CHL8102-01CRT is a Linear-Technology\'s advanced switching controller that is used for high-efficiency, synchronous step-down regulation. It helps optimize power system design, improves thermal performance, and lowers the total solution cost. It is designed to comply with PMIC – Voltage Regulators – DC DC Switching Controllers specifications and with excellent performance, it can maximize efficiency while also providing flexibility and system control.

Application Field

CHL8102-01CRT can be used in a variety multimedia solutions, automotive, industrial, and communications applications where improved thermal management, minimized solution size and noise reduction are important. It is especially suitable for applications like:

• High Efficiency Power Supplies
• Low Noise Regulated Power Supplies
• Small Footprint Point-of-Load Regulators
• High Efficiency Telecom/Automotive Power Supplies
• Telecommunications 48V/12V ATE Voltage Regulator
• Industrial Automation/Process Automation Isolated DC/DC Converters

Features

CHL8102-01CRT has a variety of features which offers more flexibility and better performance when used in DC-DC applications. Below are some of its features:

• Wide input voltage range: 4.5V to 80V
• Wide-range output voltage: 0.6V to 80V
• OCP, OVP, and Thermal shutdown
• Dedicated voltage limit monitor with hysteresis
• 20 to 40V, 600mA power switch
• High-efficiency operation at all LOAD conditions
• Low output ripple and low EMI operation
• Version available with wake-up signal and DC/DC enable
• Industry standard pinout for compatibility

Working Principle

CHL8102-01CRT works on a step-down regulation principle, in order to convert the input voltage to a lower output voltage. The internal circuitry of controller consists of a high frequency, power switch, a voltage limit comparator, a current sense amplifier, and a peak current limit regulator which works together to form the DC-DC converter.When the input voltage is higher than the desired output voltage, the power MOSFET switch is turned on by the current sense amplifier. When the input voltage is higher than the desired output voltage, it will begin to sense the current. When the sensed current reaches the predetermined level, the power MOSFET switch is turned off to limit the current, until the input voltage returns to the desired output voltage.Moreover, the controller also has a number of other features, such as over-voltage protection (OVP) and over-current protection (OCP) which help to limit the current and prevent any damage to the converter.

Advantages

CHL8102-01CRT offers a number of advantages over other DC-DC controllers. Its wide input voltage range allows for maximum flexibility and improved accuracy, while its high efficiency allows for more power to be delivered to the system. In addition, its low output ripple and low EMI operation allows for reduced noise and greater system stability. Moreover, its dedicated voltage limit monitor with hysteresis ensures that the output voltage is always within the allowed tolerances, and its industry-standard pinout allows for easier compatibility with existing designs.

Conclusion

CHL8102-01CRT is a versatile, high-efficiency DC-DC switching controller that is designed to meet PMIC – Voltage Regulators – DC DC Switching Controllers specifications. Its wide input voltage range, high efficiency, low output ripple, and low EMI operation make it an ideal solution for various multimedia solutions, automotive, industrial, and communications applications. Moreover, its dedicated voltage limit monitor with hysteresis, industry-standard pinout, and its protection features make it a reliable and cost-effective solution for any organisation looking to improve their power system design.

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