ZR40402F41TC

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	ZR404
Supplier Device Package:	SOT-23
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	60µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	90µVrms
Series:	--
Temperature Coefficient:	100ppm/°C
Tolerance:	±2%
Current - Output:	15mA
Voltage - Output (Min/Fixed):	4.096V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

PMIC - Voltage Reference is one of the most important elements used in the power management and electrical applications due to its high level of accuracy and reliable performance. The ZR40402F41TC is a precision voltage reference integrated circuit used for those applications. This IC normally operates from 3.8V to 18V DC supply voltages and provides an accurate output voltage over a wide range of temperatures and load conditions.

Operating Principle

The ZR40402F41TC is a three terminal integrated circuit (IC), which contains a precision voltage-controlled voltage reference, an error amplifier and an output driver stage. The voltage reference is based on N-FET technology with high accuracy and an extremely low temperature coefficient of 0.005%/°C. When the IC is powered up, an initial voltage is set through an external resistor divider and the voltage reference is then fed to the error amplifier. The output of the error amplifier is then compared with an input reference voltage, which is determined by the control voltage at the VREF pin of the IC.The output of the error amplifier will then provide the output voltage, which is fed to the output driver stage. The output driver stage is responsible for driving the output load and providing the precise output voltage. The output voltage is determined by the resistance of the external resistor divider as well as the control voltage of the VREF pin.

Application Field of ZR40402F41TC

The ZR40402F41TC can be used in a wide range of applications, including but not limited to:

• Battery powered devices
• Digital to analog converters
• Power supplies
• Airborne/ground based electronics
• Cable and satellite receivers
• Automotive systems
• Communication systems
• Medical systems
• Telecommunication systems
• Portable electronics

The ZR40402F41TC can also be used in other applications, such as voltage control, voltage regulation and over-voltage protection.

Conclusion

The ZR40402F41TC is a precision voltage reference integrated circuit and is used in many different power management and electrical applications and environments. This IC provides a high level of accuracy, a very low temperature coefficient of 0.005%/°C and a wide supply voltage range, making it suitable for a variety of design applications.

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