STR-Y6735

Duty Cycle:	--
Mounting Type:	Through Hole
Supplier Device Package:	TO-220-7
Package / Case:	TO-220-7 (Formed Leads)
Operating Temperature:	-20°C ~ 115°C (TA)
Control Features:	--
Fault Protection:	Current Limiting, Over Load, Over Temperature, Over Voltage
Power (Watts):	120W
Frequency - Switching:	18.4kHz ~ 24.4kHz
Series:	STR-Y6700
Voltage - Supply (Vcc/Vdd):	9.4 V ~ 35 V
Voltage - Start Up:	15.1V
Topology:	Flyback
Voltage - Breakdown:	500V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Obsolete
Packaging:	Bulk

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Introduction

STR-Y6735 is a series of AC/DC Converter, Offline Switcher, which provides highly reliable and cost-effective solutions for different power management applications. It is a bridge between the AC/DC power path and the DC/DC conversion path, which can effectively solve the challenge of low efficiency and power loss. This device has wide applications in fields such as industrial, medical, and automotive. This article will discuss the application field and working principle of STR-Y6735.

Application Field

STR-Y6735 series can be widely used in many different application fields. In industrial applications, it is mainly used for secondary side feedback control and energy efficiency improvement in offline DC/DC converter solutions. It can also be used for charging, discharging, and power management solutions in solar energy systems and battery storage systems.In medical applications, the STR-Y6735 series is mainly used for powering monitor, respirator, and electronic medical device. It can keep the operation of the medical equipment stable and support the timely flow of information.In the automotive industry, it can be used for the development of advanced driver assistance systems (ADAS) and power management solutions. In addition, it can also be used to provide power supply solutions for electronic control units (ECUs) and sensors in autonomous driving.

Working Principle

The STR-Y6735 series is a type of AC/DC converter, offline switcher. It bridges the AC/DC power path and the DC/DC conversion path. The core of the device is the offline half-bridge system, which consists of two switching power transistors and one topology optimization chip. The half-bridge system works based on the action of a high-side switch and a low-side switch. When the AC input voltage is applied to the half-bridge system, the topology optimization chip will open the high-side switch and close the low-side switch to form a Reverse Pole Voltage(RPV) path, allowing the current to flow from the negative terminal of the input voltage to the positive terminal. The high-side switch and the low-side switch will then switch on and off sequentially in order to transfer the power efficiently. The STR-Y6735 series also features a Synchronous Rectification Control(SRC). The SRC is an advanced and efficient synchronous rectification technology which can significantly improve the efficiency of the device. The SRC works by controlling the high-side and low-side switches to minimize power losses. This helps to reduce the amount of heat generated by the device, and hence improve its overall efficiency. In addition, the STR-Y6735 series also features active clamping, which prevents the input voltage from overshooting during the switching process. This helps to improve the stability of the device and reduce EMI (Electromagnetic interference).

Conclusion

In conclusion, the STR-Y6735 series is a cost-effective and highly reliable AC/DC converter, offline switcher. It is suitable for many different applications such as industrial, medical and automotive. It also features an advanced and efficient synchronous rectification technology and active clamping, in order to improve the efficiency and reliability of the device.

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