CAT8900C125TBGT3

Noise - 0.1Hz to 10Hz:	50µVp-p
Base Part Number:	CAT8900
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Supply:	800nA
Voltage - Input:	2.7 V ~ 5.5 V
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	50ppm/°C
Tolerance:	±0.2%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	1.25V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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IntroductionThe CAT8900C125TBGT3 is an advanced power management Integrated Circuit (PMIC) built around an adjustable voltage reference. It is a high performance, low noise, and high precision integrated solution designed for modern embedded systems. The CAT8900C125TBGT3 combines control, measurement, protection and integration features, providing a wide range of application possibilities.Application FieldThe CAT8900C125TBGT3 is designed to provide voltage references for high-performance embedded systems such as mobile phones, tablets and industrial control products. It is also used in automotive control systems, server and storage products, and industrial automation. The CAT8900C125TBGT3 is well-suited for applications where space, weight, and power are a constraint.Working PrincipleThe CAT8900C125TBGT3 is designed to provide a precision reference voltage, regardless of temperature, voltage and process variation. The CAT8900C125TBGT3 comprises a two-terminal adjustable voltage reference and two-transistor circuit with an adjustable gain. It is a low power, low noise solution with minimal external components.The two-transistor circuit is based on a bandgap reference technique, and contains a reference voltage generator, a temperature compensator, a current limiter, and an amplifier. The reference voltage generator is made up of a matched pair of transistors. The transistors are adjusted for matching and then connected in series. The output voltage is adjustable to provide a programmed reference voltage.The temperature compensator can be adjusted to compensate for temperature variations. The current limiter protects the circuit from over-current conditions. The amplifier circuit amplifies the output of the reference generator, providing a stable and predictable reference voltage.ConclusionThe CAT8900C125TBGT3 can be used in automation control equipment, server and storage products, and embedded systems. It is a high performance, low noise, and high precision integrated solution built using advanced power management technology. The CAT8900C125TBGT3 is an adjustable voltage reference PMIC suitable for applications where size, weight and power are constraints.

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