NCV33272ADR2G is a voltage regulator electronic component. A Voltage Regulator is a circuit device used to maintain the output voltage within its designed range even if the input voltage or load changes. Such devices are often used in power circuits to ensure that connected electronic components receive a stable supply voltage. The NCV33272ADR2G is typically designed to provide a stable output voltage to meet the power requirements of a specific application.

 

Ⅰ.Specifications of NCV33272ADR2G

•Package/Case:SOIC-8
•Installation style:SMD/SMT
•Number of channels:2 Channel
•SR-slew rate:10V/us
•Minimum working temperature:-40 ℃
•Maximum operating temperature:+125℃
•Shutdown:No Shutdown
•Ib-input bias current:650 nA
•Operating power supply current:4.3 mA
•Qualification:AEC-Q100
•Voltage gain DB:100 DB
•Product Category:Operational Amplifier-Operational Amplifier
•Height:1.5 mm
•Length:5 mm
•Width:4 mm
•Voltage-span (minimum):3 V
•Voltage-span (maximum):36 V
•Power supply voltage-Max:36V, +/-18V
•GBP-gain bandwidth product:24 MHz
•Output current per channel:37 mA
•Vos-input bias voltage:2 mV
•Power supply voltage-Minimum:3V, +/-1.5 V
•PSRR-power supply rejection ratio:80 dB
•CMRR-Common Mode Rejection Ratio:80 dB
•Maximum dual supply voltage:+/-18V
•Minimum dual supply voltage:+/-1.5V
•Product:Operational Amplifiers
•EN-input voltage noise density:18 nv/sqrt Hz
•Amplifier type:High Slew Rate Amplifier
•Dual power supply voltage:+/- 3V, +/- 5V, +/- 9V
•In-input noise current density:0.5 pA/sqrt Hz
•Operating power supply voltage:3V to 36V, +/-1.5V to +/-18V
•Product Type:Op Amps-Operational Amplifiers
•Vcm-common mode voltage:Negative Rail to Positive Rail-1.8 V

 

Ⅱ.Features of NCV33272ADR2G

1.Input Offset Voltage Trimmed to 100V(Typ)

2.Able to provide stable output voltage even if the input voltage and load change

3.High Input Resistance:16Ω

4.NCV33272ADR2G generally has high accuracy in output voltage, helping to ensure the required power accuracy

5.Power Bandwidth:160 kHz

6.Low Total Harmonic Distortion:0.003%

7.High Gain Bandwidth Product:24 MHz @ 100 kHz

8.Thermal shutdown protection: Supports thermal shutdown protection to prevent components from overheating.

9.ESD Diodes Provide Added Protection to the Inputs

10.Power Supply Drain Current:2.15mA per Amplifier

11.Excellent Frequency Stability

Ⅲ.Working principle of NCV33272ADR2G

•Basic principle: A linear regulator compares the difference between the actual output voltage and the reference voltage, and adjusts the control part of the component to reduce or eliminate this difference. This ensures that the output voltage always remains at a stable level.

•Feedback control: NCV33272ADR2G uses feedback control to maintain the stability of the output voltage. During operation, the feedback circuit continuously monitors the actual output voltage and compares it with a preset reference voltage. This comparison generates an error signal that indicates the difference between the actual voltage and the expected voltage. Depending on the nature of the error signal, the system adjusts its output accordingly to reduce or eliminate the error. For example, a feedback system may increase the output if the actual voltage is lower than the reference voltage.

•Control element: regulates the current entering the control element, which is a current source or a variable resistor. The state of this control element will affect the output voltage.

•Error amplifier: The error signal passes through the error amplifier, which amplifies the difference signal and generates an adjustment current.

•Stabilizer and overload protection: In order to ensure the stability and reliability of the system, electronic components such as NCV33272ADR2G are often equipped with other auxiliary functional circuits, such as stabilizers and overload protection, in addition to feedback control. The main function of the stabilizer is to ensure that the circuit can operate stably under various working conditions. For example, some stabilizers are specifically designed to regulate temperature. By detecting and responding to temperature changes, they automatically adjust the working status of components to prevent damage due to overheating. Overload protection is a mechanism that prevents components from being damaged under abnormally high current or high load conditions. When excessive current or exceeding the design load is detected, the overload protection circuit will immediately activate and take measures such as cutting off the power supply or reducing the input of the component to prevent component damage or serious consequences such as fire.

•Output voltage adjustment: The adjustment of the control components causes the output voltage to change. Through continuous adjustment, the output voltage eventually approaches the set value.

Ⅳ.Maximum Ratings of NCV33272ADR2G

 

Ⅴ.Equivalent Circuit Schematic of NCV33272ADR2G

 

Ⅵ.Functions and application areas of NCV33272ADR2G

1.Function

•Low Dropout Voltage: The voltage difference between the input voltage and the output voltage is relatively small, helping to maximize the use of power from the input power source.

•Voltage Stability: NCV33272ADR2G is designed to provide a stable output voltage, maintaining the output voltage at a predetermined level even under changes in input voltage and load.

•Output: All NPN output stages of the NCV33272ADR2G have no dead-band crossover distortion, large output voltage swings, and excellent phase and gain margins. In addition, it provides a low open-loop high frequency output impedance with symmetrical source and absorbing AC frequency performance.

•Thermal shutdown protection: NCV33272ADR2G supports thermal shutdown protection to prevent component overheating and improve stability and reliability.

2.Application fields

•Power management: NCV33272ADR2G is commonly used for power management, especially in various electronic systems and equipment that need to provide stable power supply voltage. Power management plays a vital role in electronic equipment because unstable power may lead to system failure, reduced device performance, or component damage. By using an op amp like the NCV33272ADR2G, the supply voltage can be effectively managed and controlled to ensure it is stable and delivers the required current.

•Industrial control: NCV33272ADR2G can provide stable power supply voltage, which is crucial to ensure the reliable operation of industrial control equipment. Unstable power can lead to data errors, equipment failure or production interruptions. NCV33272ADR2G also has overload protection function. In industrial environments, equipment may experience unexpected overcurrent or overheating conditions. With overload protection, the component is able to respond quickly and take measures, such as cutting off power or reducing the input, to prevent damage to the equipment.

•Instruments and measuring equipment: NCV33272ADR2G can provide high-precision measurement results and has good stability. In situations where precise measurement is required, such as scientific research, industrial production and quality control.

•Automotive electronics: used in automotive electronic systems, such as engine control units (ECUs), in-car entertainment systems, sensors, etc.

•Computer Hardware: Used in computer systems, especially embedded systems, to provide stable power. In power management systems, op amps are often used as voltage regulators or comparators. The function of a voltage regulator is to stabilize the power supply voltage at a specific level to ensure the normal operation of electronic devices and systems. The comparator is used to compare two voltage values and trigger corresponding actions or signals based on the comparison results.

•Communication equipment: NCV33272ADR2G in communication equipment: In wireless communication equipment, such as mobile phones, communication base stations, etc., it is used to provide stable power supply.

 

Ⅶ.Alternate model of NCV33272ADR2G

•LM2937: Low dropout linear regulator suitable for a wide range of applications.

•LT1763: Low dropout linear regulator for low power and high precision applications.

•LM1117: Another commonly used low dropout voltage regulator with a variety of models to choose from.

•XC6206: Ultra-low dropout linear regulator for small power supply solutions.

•ADP7104: Ultra-low dropout linear regulator for precision power management.

Frequently Asked Questions

1.Does NCV33272ADR2G have overcurrent protection?
Yes, NCV33272ADR2G typically includes overcurrent protection to prevent damage to the regulator and the connected circuit in case of excessive current.

2.Does NCV33272ADR2G support adjustable output voltage?
Some variants of NCV33272ADR2G may support adjustable output voltage, allowing users to set the desired output voltage within a certain range.

3.Does NCV33272ADR2G support thermal shutdown protection?
NCV33272ADR2G supports thermal shutdown protection. Thermal shutdown protection is a mechanism used to prevent damage to the chip due to overheating. When the chip temperature exceeds the set threshold, the thermal shutdown protection function automatically disables the output to prevent continued power supply and damage.

4.What type of power supply voltage input does NCV33272ADR2G support, such as single power supply or dual power supply?
NCV33272ADR2G generally supports single power input.