A voltage regulator that defines and maintains a fixed output voltage, irrespective of changes to the input voltage or load conditions. Almost every electronic gadget has a voltage regulator to maintain the load voltage. There are a wide range of voltage regulators from different semiconductor manufacturers. Here we are covering the 10 voltage regulators ICs which you can review the features and specifications for your power electronics circuits.
1. L4940V5 Low Dropout Regulator
The L4940V5 is a 5V low dropout voltage regulator and has a low dropout voltage of 450mV at 1A load. This is suitable for battery-powered operation and helps prolong battery life. It comes in a TO-220 package and has internal current and power dissipation limiting.
2. LM340T5 Voltage Regulator
LM340T5 is a monolithic 3-terminal positive voltage regulator. The output current of LM340T5 can go up to 1A. By adding some components, these devices can be used as fixed Voltage regulators, Adjustable voltage regulators, and constant current regulators.
3. LM2940S 1A Low Dropout Voltage Regulator
LM2940S is a positive voltage regulator and has the features like the ability to source 1A of output current with a dropout voltage of typically 0.5 V. This has a maximum of 1V over the entire temperature range along with a maximum input voltage of 26V.
4. 7805 Voltage Regulator IC
7805 Voltage Regulator IC is a commonly used voltage regulator and its application is in most of the electronics projects. LM7805 provides a constant +5V output voltage for a variable input voltage supply.
5. XC6206 Low ESR Voltage Regulator
XC6206 is a highly precise voltage regulator that has low power consumption (1.0 µA) and a low dropout voltage of 250 mV at 100 mA. The maximum operating voltage of XC6206 is 6.0 V and the output voltage range is 1.2 V to 5 V. This regulator provides a large current with a significantly small dropout voltage.
6. LT1085 Low Dropout Regulator
LT1085 is a positive and adjustable Low Dropout Linear voltage regulator designed to provide an output current of 3A with higher efficiency than currently available devices in the market. This has an input voltage range from 2.55V to 30V and is available in adjustable output voltage versions. This LT1085 voltage regulator is available in 3-Lead Plastic TO-220 and DD Packages.
7. AZ1084 Low Dropout Linear Regulator
AZ1084 is a Low Dropout Voltage Regulator and is designed for a wide range of applications. This voltage regulator has a low dropout voltage of 1.5V at 5A of load current. It is available in 1.5V, 1.8V, 2.5V, 3.3V, and 5.0V versions. It is also available in an adjustable version which can set the output voltage with two external resistors.
8. BA3258HFP Dual Output LDO Regulator
BA3258HFP is a fixed 2-output low-saturation, low dropout voltage regulator and has a voltage accuracy at both outputs of ±2%. BA3258HFP includes both over-current protection and thermal shutdown (TSD) circuits in order to prevent damage due to output short-circuiting and overloading, respectively.
9. LP2985 Low-Dropout Regulator
LP2985 is a fixed output, low drop-out (LDO) regulator and has an output current capability of 150 mA, very low dropout voltage (280 mV), and has better than 1.5 % Voltage Regulation Accuracy. LP2985 comes with an enable pin to provide Zero-current shutdown mode. This voltage regulator has features like overcurrent and over-temperature protection.
10. AP2112 CMOS LDO Regulator
AP2112 is a low dropout linear regulator that delivers a 600mA (minimum) continuous load current. This has enabled a function with a fixed output voltage of 1.2V, 1.8V, 2.5V, 2.6V, or 3.3V. It provides an output accuracy of ±1.5% and is available in SOT25, SOT89-5, and SO-8 packages.