ZR431F01TC

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Reference Type:	Shunt
Output Type:	Adjustable
Voltage - Output (Min/Fixed):	2.5V
Voltage - Output (Max):	20V
Current - Output:	100mA
Tolerance:	±1%
Temperature Coefficient:	55ppm/°C
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	--
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	50µA
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23
Base Part Number:	ZR431

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PMIC - Voltage Reference: ZR431F01TC application field and working principleVoltage references have been one of the most essential and widely used components in the electrical and electronics engineering fields, especially in circuit designs. The ZR431F01TC is one of the best Voltage references on the market, allowing for precision, stable, and low cost voltage reference designs. This article will discuss the features, applications, and working principle of the ZR431F01TC Voltage references.The ZR431F01TC is a precision, low power buck regulator with an integrated voltage reference. It has a wide input voltage range (2.5 to 5.5V) and an adjustable output voltage from 0.3V (minimum) to 5.25V (maximum). It also features a high current output (150mA continuous current) and excellent line/load regulation (50mV/1%). It is optimized for use in low voltage and low power applications, such as microcontrollers, automotive power supplies, medical devices, and communications equipment.The ZR431F01TC is a low noise, adjustable voltage reference with a wide dynamic range. It maintains a stable output voltage over a wide input voltage range (2.5-5.5V) and can be used to help improve power supply design and performance. It also features a low quiescent current (typically 4.5uA) and low input-output offset voltage (typically 200mV). It is designed for use in low power and low voltage applications, such as microcontroller-based systems, communications systems, and medical equipment. The ZR431F01TC has a wide range of applications. It can be used to provide a stable voltage reference in a wide range of circuitry, such as automotive power supply and sensors, optical networking systems, communications systems, and medical instruments. It can also be used in battery management systems to maintain a stable voltage output, even when the input voltage changes. Additionally, it can be used in low noise circuits, such as switching regulators and low noise amplifiers.The ZR431F01TC is based on the buck topology, which is a popular power supply circuit used in many applications. The buck topology uses a high side power switch, an inductor, a capacitor and a low side power switch. The high side power switch, which is usually a P-channel MOSFET, is used to control the input voltage, while the low side switch, which is usually an N-channel MOSFET, is used to control the output voltage. The inductor and the capacitor forms a low pass filter to minimize the input voltage ripple. This allows the output voltage to remain relatively stable over a wide range of input voltages. The buck architecture also allows the output voltage to be adjusted by varying the duty cycle of the P-Channel MOSFET.The ZR431F01TC has an integrated high precision voltage reference. The voltage reference is an internal band-gap voltage reference with an operating temperature range of -40 to +125°C. It is designed to provide a precise, stable voltage output even at low power levels. It has an initial accuracy of ± 0.5%, a current consumption of less than 1uA, and a low temperature drift (typically ±1mV per °C).Overall, the ZR431F01TC is an excellent voltage reference for low power and low voltage applications, and can be used in a variety of circuits and systems. Its wide voltage range, adjustable output voltage, and high precision voltage reference make it ideal for applications that require stability and accuracy at low power levels. It is designed for use in microcontrollers, automotive power supplies, optical networking systems, communications systems, and many other applications.

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