INN3275C-H201-TL

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The INN3275C-H201-TL is a highly integrated PMIC - AC DC Converters, Offline Switchers. It allows developers to decrease design time and cost as it features excellent protection and current balance capabilities. The INN3275C-H201-TL integrates the most popular secondary side power area protection such as over current and over temperature protections, enabling high-performance, multi-channel control and the minimized integration of components. In addition, the balance control feature provides ease of design for switching power supplies with 2, 4 and 6 channels.

The INN3275C-H201-TL application field and working principle are designed to provide highly efficient, programmable and integrated control of the DC-DC converter. This multi-level architecture features various safety features such as accurate current balance, line transient protection, and stand-by output current limit. Developed for industrial, medical and automotive applications, INN3275C-H201-TL offer both a complete set of analog peripherals with 300mA output current, a highly integrated architecture and excellent protection functions.

The key specifications of the INN3275C-H201-TL are outlined below:

• Input voltage range: 4.5V – 24V
• Output current: 300mA
• Switching frequency: 500KHz
• Lead temperature range: -40°C – 150°C
• Operating temperature: -40°C – 85°C
• Low drop-out voltage: 0.5V
• Low quiescent current : 1uA

The INN3275C-H201-TL operates in an integrated approach. It uses a two-stage topology consisting of an error-amplifier based on a feedback loop and a FET-based switching stage. While the error amplifier produces the output voltage, the FET-based switching stage serves to control the output current. The entire process is protected by over-current and over-temperature protection. Additionally, the INN3275C-H201-TL includes current balance circuitry, which can be used to adjust the output current levels in multi-channel applications.

The remarkable low standby current of 1μA can help systems with limited power budgets. The INN3275C-H201-TL supports Soft Start and Power Save Modes, further minimizing the operational power consumption. The Soft Start Mode minimizes the inrush current, while the Power Save Mode allows the system to enter low-power mode while maintaining its outputs at a desired voltage level.

The INN3275C-H201-TL is an excellent choice for a wide variety of applications. The device provides high efficiency, a large input voltage range, a wide operating temperature range, various safety features and a low drop-out voltage. This PMIC - AC DC Converters, Offline Switchers can be used in automotive, medical and industrial applications. With its excellent protection and current balancing capabilities, it is an ideal solution for applications requiring cost-effectiveness and efficiency.

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