INN2605K

Duty Cycle:	60%
Mounting Type:	Surface Mount
Supplier Device Package:	eSOP-R16B
Package / Case:	16-PowerSOIC (0.350", 8.89mm Width), 15 Leads
Operating Temperature:	-40°C ~ 105°C (TA)
Control Features:	--
Fault Protection:	Current Limiting, Over Temperature, Over Voltage
Power (Watts):	35W
Frequency - Switching:	100kHz
Series:	InnoSwitch™-EP
Voltage - Supply (Vcc/Vdd):	--
Topology:	Flyback
Voltage - Breakdown:	725V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tube

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Introduction

The INN2605K, a power management and control integrated circuit (PMIC), is a key device in various applications, especially those which require high-efficiency power conversion. With its integrated design, it provides efficient and compact power solution for many types of systems to preserve energy and minimize losses. In this article, the working principle and application fields of the INN2605K will be discussed in detail.

INN2605K Working Principle

The INN2605K is composed of a buck, boost, and linear regulator, each driven independently. Thanks to the wide input voltage range of up to 40 V, it is suitable for a variety of applications. Based on the adjustable output voltage range from 0.5 V to 5 V, the device provides flexibility for using different types of output voltage level.The device consists of an input side and output side, together with various protection and control features like over-current, over-voltage, under-voltage, and over-temperature. The input side consists of a buck regulator, while the output side comprises of a boost and linear regulator. The buck regulator utilizes power MOSFETs and can support operating frequency up to 4 MHz to provide high efficiency and fast response. The boost regulator combines the buck and boost regulators to provide a high output voltage which can reach up to 28 V. The linear regulator is for a stable output voltage and current, capable of providing output power up to 600 mW.The INN2605K is also equipped with fault protection functions. The compensation pin can set the loop compensation pin to control the loop and provide sufficient stability. The OCP circuit monitors the current, preventing any over-current situation for protecting the device and the connected load. Lastly, the OVP circuit helps to monitor the output voltage by detecting the maximum output voltage to avoid any over-voltage issue.

Application Fields of INN2605K

The INN2605K is used in various types of systems, especially those which require high power or energy efficiency. It is used to provide a low voltage and current output in industrial control and automation applications. The device is used to provide power solution for system with different types of batteries, such as Li-ion, Li-Po, or lead-acid. It is also suitable for LED drives, which require high efficiency to ensure long life span of the LED.The INN2605K is also used extensively in consumer electronics like energy meters, consumer lighting, and material handling equipments, as well as motor control systems. The device can also be used in solar applications, as it supports wide input voltage range from 6 V to 40 V, allowing maximum utilization of the panel output.

Conclusion

In conclusion, the INN2605K is a very useful and versatile device for many different applications, due to its wide input voltage range and adjustable output voltage range. It is composed of buck, boost, and linear regulator, together with various protection features to ensure reliability and optimize efficiency. The INN2605K is used in numerous industrial control, automation, and consumer electronics systems, as well as motor control, solar and energy meter applications.

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