Jeking Daily Post: HT7133

#Low-Quiescent-Current, #High-Input-Voltage, #Fixed-Output, #CMOS-Technology, #Thermal-Protection **HT7133 LDO Voltage Regulator: A Reliable Power Solution** **Product Overview** The HT7133 is a CMOS-based, low-dropout linear regulator (LDO) designed for high efficiency and stable voltage regulation. Manufactured by UMW (HOLTEK), this fixed-output 3.3V LDO delivers up to 30mA of output current with ultra-low quiescent current—typically only 3–4μA—making it ideal for battery-powered and energy-sensitive applications. With a maximum input voltage of 30V and a dropout voltage as low as 100mV at light loads, the HT7133 ensures reliable performance across a wide range of input conditions. It features built-in protection mechanisms including thermal shutdown and short-circuit current limiting, enhancing system robustness. **Key Features** The HT7133 stands out for its exceptional power efficiency and compact design. Its CMOS technology enables minimal power consumption, significantly extending battery life in portable devices. The device operates stably over a broad input voltage range (up to 30V) and maintains high accuracy with ±1% output voltage precision. Available in space-saving packages such as SOT-89-3 and SOT-23-5, it supports high-density PCB layouts. Additional advantages include fast start-up response, excellent line and load regulation, and low noise performance—critical for sensitive analog and digital circuits. **Typical Applications** This LDO is widely used in portable electronics, including wearable devices, IoT sensors, remote controls, and handheld instruments. It is also suitable for microcontroller units (MCUs) like STM8, AVR, and 8051 series, providing clean and stable power. Other common applications include communication modules, audio/video peripherals, and industrial control systems where low power and high reliability are essential. **Trusted Supply by Jeking Electronic Limited** Jeking Electronic Limited is a professional distributor of electronic components, offering genuine HT7133 ICs with reliable traceability and competitive pricing. We ensure strict quality control and timely delivery, supporting global customers in consumer, industrial, and telecom markets. Partner with Jeking Electronic Limited for authentic components and expert technical support.

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