REF6145IDGKT Integrated Circuits (ICs)

Temperature Coefficient:	8ppm/°C
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	1.15mA
Voltage - Input:	4.75 V ~ 5.5 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	3µVp-p
Series:	--
Tolerance:	±0.05%
Current - Output:	3.5mA
Voltage - Output (Min/Fixed):	4.5V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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REF6145IDGKT Application Field and Working PrinciplePMIC (Power Management Integrated Circuits) are the a key components of all modern electronic devices. A voltage reference, or voltage regulator, is a specific type of power management integrated circuit (PMIC) that is used to provide consistent output voltage levels. The REF6145IDGKT is a voltage reference designed to enable reliable, low-power designs of a wide range of consumer/industrial electronic devices. The REF6145IDGKT is a precision voltage reference that is available in a tiny, three-pin SOT23 package and provides both solid regulation and an externally adjustable output voltage from 1.53V to 6.45V. The device requires only a low-cost, low-noise ceramic capacitor for loop compensation and is capable of output voltages as high as 6V with very low dropout voltage. The REF6145IDGKT is a voltage reference design that uses close loop sensing and feedback to maintain a constant output voltage level regardless of load, line or temperature variations. It consists of a reference voltage source, a current source, an error amplifier and a series pass element. The reference voltage source consists of a zener diode or a band gap reference and provides the reference voltage against which all other voltages are compared. The current source is a constant current source that provides the current necessary to set the output voltage. The error amplifier compares the output voltage to the reference voltage and adjusts the current through the pass element accordingly. The REF6145IDGKT features an internal output temperature coefficient of 5ppm/°C, extremely low output noise over a wide frequency range and a wide input voltage range of 2.7V to 12V. It provides fast transient response, excellent line and load regulation, minimal external parts count and a fixed output voltage with excellent accuracy over temperature and line ranges. The REF6145IDGKT is suitable for use in a wide range of applications including digital cameras, portable lighting, battery management systems, automotive, entertainment, communications and defense systems. Its small size, low cost and high efficiency make it a popular choice for powering microprocessors and other precision instrumentation. As a low-power voltage reference, it is also popular for use in notebook computers and other battery-powered devices. In summary, the REF6145IDGKT is a precision voltage reference that provides a constant output voltage regardless of changes in line and load variations. It features low noise, excellent line and load regulation, minimal external components and a wide input voltage range of 2.7V to 12V. Its small size, low cost and high efficiency make it suitable for a variety of consumer/industrial electronic applications.

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