TLVH432AQDBZR

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	TLVH432A
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Cathode:	100µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	--
Series:	--
Temperature Coefficient:	--
Tolerance:	±1%
Current - Output:	70mA
Voltage - Output (Max):	18V
Voltage - Output (Min/Fixed):	1.24V
Output Type:	Adjustable
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TLVH432AQDBZR is a type of power management integrated circuit (PMIC), specifically a voltage reference. The device is used mainly to serve as a voltage reference for applications that need a stable and reliable voltage source, handling voltage levels as high as 20 volts. It is manufactured by Texas Instruments and comes in a sampling SO-8 package (small-outline package).The TLVH432AQDBZR is a very commonly used device in industrial and commercial applications for its exceptional accuracy and stability. It is built around a Bandgap voltage reference circuit, which includes two transistors: a PNP bipolar junction transistor (BJT) and an NPN BJT. A resistor divider is connected between the output of the Bandgap and the PNP BJT’s base, so as to establish a reference voltage at the output. The magnitude of this reference voltage is calculated according to the following expression: VREF = VBE x (1 + R2 / R1) where VBE is the voltage developed between the Collector and Emitter of the PNP BJT, and R1, R2 are the two resistors of the divider.To add to the PMIC’s precision, a trimmed gain block is connected directly to the output of the Bandgap circuit. This gain block is designed with CMOS amplifiers, precisely controlling the output reference voltage. Through this circuit, the TLVH432AQDBZR provides up to ± 5% reference voltage accuracy and a temperature drift of ±2.5ppm/oC. The TLVH432AQDBZR has a quiescent current of 4 μA, which is quite low in comparison to other voltage references. This is quite beneficial in low power applications. The main applications of the TLVH432AQDBZR include analogue-to-digital converters, power supply circuits, battery-powered applications, voltage regulators and other application instrument control needs.In conclusion, the TLVH432AQDBZR is an ideal device for applications that require a stable reference voltage with high accuracy. It is manufactured by Texas Instruments, available in a sampling SO-8 package and provides the user with up to ± 5% reference voltage accuracy and a low quiescent current of 4 μA. It is mainly used in analogue-to-digital converters, power supply circuits, battery-powered applications, voltage regulators and other instrument control applications.

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