ZRC330A03STOA

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Reference Type:	Shunt
Output Type:	Fixed
Voltage - Output (Min/Fixed):	3.3V
Current - Output:	5mA
Tolerance:	±3%
Temperature Coefficient:	50ppm/°C
Noise - 0.1Hz to 10Hz:	--
Noise - 10Hz to 10kHz:	43µVrms
Voltage - Input:	--
Current - Supply:	--
Current - Cathode:	20µA
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92
Base Part Number:	ZRC330

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Introduction

PMIC (Power Management IC) is widely used in the development of digital systems, offering an integrated solution to manage power supply systems and components with complex power needs. Voltage reference is one of the sub-topics of PMIC. ZRC330A03STOA is a voltage reference product that belongs to this category. This article outlines the application field and working principle of it.

Application Field & Working Principle

The ZRC330A03STOA is a highly precise, low power consumption voltage reference that is preferably used in consumer electronics applications, especially those associated with portable multi-rail voltage supplies. It sets the operating point for amplifiers, gate drivers, and memory or process circuits, providing an accurate, precise, and stable reference point even during variations in batteries and other power sources. The ZRC330A03STOA voltage reference consists of a high-precision voltage reference topped by an additional voltage reference which works in association with the core to deliver an accurate output. The core circuit is coupled with an advanced bipolar amplifier to drive the output resistant to 7mA and wide temperature range. It has the capability to deliver up to 10mA of output current, and its output voltage is constant over the full temperature range and over time. The ZRC330A03STOA voltage reference is suitable for multi-rail and single-rail systems with low voltage fast transient response. It has an ultra-low operating current of only 0.5mA and ultra-low power consumption of only 1.2nA at 2.5V reference voltage, making it ideal for portable applications such as laptops, computers and cell phones. The ZRC330A03STOA voltage reference is designed for very rapid start-up and stable output, with high stability over a wide temperature range. It is also capable of providing high accuracy over time due to its low output drift. Generally, it is used in situations that require operation over a wide temperature range, maintain stable and accurate reference voltage, avoid output noise due to voltage fluctuation and maintain reference voltage with the help of its external resistor divider set-up.

Conclusion

The ZRC330A03STOA voltage reference is a low power consumption, highly precise and stable PMIC product, which is specifically designed for voltage reference applications in consumer electronics. It offers a low 0.5mA operating current and produces an accurate output voltage in both multi-rail and single-rail systems. It also has an ultra-low power consumption and an ultra-fast start-up. The ZRC330A03STOA can help to provide a stable reference point even during variations in batteries and other power sources in digital systems, allowing for a reliable system performance.

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