TS30011-M015QFNR

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Introduction

TS30011-M015QFNR is a high-performance, high-quality DC-DC switching regulation and frequency conversion control product. It has a wide operating temperature range and a wide input voltage range, and its integrated internal over-temperature protection, input UVLO and output OVP functions make the system operate safely and reliably.

Application Field

TS30011-M015QFNR is mainly used in notebook computers, desktops, server power supply, backlight module, flat panel display and so on. This product is suitable for the application of power regulation of various power sources, such as DC adapter, mobile power supply, etc.

Working Principle

TS30011-M015QFNR works according to the switch flow control theory. As a negative feedback control, it continuously converts the power supply of different voltage levels, and then adjusts the voltage output, maintains the steady state, and regulates the load by controlling the on and off times of the switch. It consists of a PWM control part and a power parts.

The PWM control section consists of a power supply, an oscillator block, a logic comparator, a wide detection range voltage detector, a low dropout linear regulator, and an error amplifier with positive and negative differential inputs, which forms a two-stage error amplifier and PWM comparator. When the output voltage deviates from the reference voltage, the error amplifier generates an error voltage, which is compared with the sawtooth wave generated by the oscillator, and the output pulse width of the PWM comparator is changed accordingly.

The power part is mainly composed of high-side and low-side switches, inductors, capacitors and so on. When the transistor is turned on, the inductor stores energy, and when the transistor is turned off, the voltage on the capacitor is transferred to the load. The load voltage is compared with the output voltage feedback by connecting resistors and Zener diodes to the output end. When the difference between them is larger than the response regulation threshold, the error amplifier output produces a corresponding voltage to adjust the pulse width to achieve the output voltage regulation.

Conclusion

In conclusion, TS30011-M015QFNR is a high-performance, high-quality DC-DC switching regulation and frequency conversion control product, mainly used in notebook computers, desktops, server power supply, backlight module, flat panel display and so on. It works according to the switch flow control theory and consists of PWM control part and power part. And it continuously converts the power supply of different voltage levels and adjusts the voltage output, by controlling the on and off times of the switch.

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