LT1790BIS6-5#TRMPBF

Temperature Coefficient:	25ppm/°C
Base Part Number:	LT1790
Supplier Device Package:	TSOT-23-6
Package / Case:	SOT-23-6 Thin, TSOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Supply:	80µA
Voltage - Input:	5.5 V ~ 18 V
Noise - 10Hz to 10kHz:	118µVrms
Noise - 0.1Hz to 10Hz:	80µVp-p
Series:	--
Tolerance:	±0.1%
Current - Output:	5mA
Voltage - Output (Min/Fixed):	5V
Output Type:	Fixed
Reference Type:	Series
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

LT1790BIS6-5#TRMPBF is a voltage reference from Linear Technology Corporation with temperature coefficient at 0.55ppm/°C and a typical accuracy of 0.02%. It is part of Linear Technology\'s wide voltage reference family, available as an integrated circuit that can be configured for either 2.5V or 3V. This voltage reference is highly linear and stable across temperature, making it an ideal reference for applications that require accurate and reliable voltage monitoring.

Application Field

The LT1790BIS6-5#TRMPBF is designed to provide a precise voltage reference that can be used in numerous applications such as voltage regulators, analog-to-digital converters (ADCs), digital-to-analog converters (DACs), battery monitors, audio power amplifiers, DC/DC converters, switching power supplies, and more. It is particularly suitable for low-power and space-constrained applications due to its low voltage drop across the reference, as well as its small size and low current consumption.

Working Principle

The LT1790BIS6-5#TRMPBF is a temperature-compensated, series-regulated, precision voltage reference. It operates by comparing a stable internal reference voltage, which has been set through an on-board zener diode, to an external reference voltage. The reference voltage is then adjusted until the voltage across the zener diode reaches the programmed value. The output of the device is held constant and is unaffected by variations in load current, supply voltage and temperature. This ensures that it will remain accurate and stable over time.

Conclusion

The LT1790BIS6-5#TRMPBF is a PMIC voltage reference from Linear Technology Corporation offering excellent accuracy, stability, and temperature compensation. It is a reliable, low-power device that is suitable for a variety of applications such as voltage regulators, battery monitors, audio power amplifiers, and more. Its working principle involves an internal zener diode that is compared to the external reference voltage in order to maintain the programmed output voltage. This ensures the device remains accurate and stable, even under changing environmental conditions.

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