LDK130C32R

Current - Output:	300mA
Supplier Device Package:	SOT-323-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	55dB (120Hz ~ 10kHz)
Current - Supply (Max):	120µA
Current - Quiescent (Iq):	60µA
Series:	--
Voltage Dropout (Max):	0.4V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

LDK130C32R is a linear voltage regulator IC (Integrated Circuit) designed to provide stable and regulated voltage from an unregulated DC power source. It is widely used in a variety of application fields such as microprocessor-based system power supplies, portable electronics, automotive electronics, and industrial products. In this article, we will discuss the application field of LDK130C32R, its working principle and some of the features that make it desirable for use in these applications.

Application Field

LDK130C32R is primarily used to provide a regulated voltage for applications which require a low noise and low dropout operation. It can be used for switching regulators, power supplies, and battery-operated equipments where the supply voltage is below the rated voltage of the IC\'s output.LDK130C32R is particularly well suited for use as a power supply in microprocessor-based systems. Its low dropout voltage and low quiescent current make it ideal for use with microprocessors, which consume relatively large current and require a stable and low-noise supply. LDK130C32R can also be used to provide the power supply for audio equipment and radio receivers, where its low noise is especially desirable.LDK130C32R is also well suited for use in automotive electronics. It can provide a regulated supply for engine control systems, headlights, environmental control systems, and many other automotive applications. Here its low dropout voltage and low quiescent current are also valuable features.Finally, LDK130C32R can be used in a variety of industrial applications. Its low noise operation makes it well suited for use in metering systems, smoke detectors, and other industrial equipment which require low-noise power supplies.

Working Principle

LDK130C32R operates using the standard principles of linear voltage regulation. The device utilizes a voltage reference to set the output voltage, and an error amplifier to compare the input and output voltages and adjust the output voltage accordingly. The variation of input voltage is compensated by changing the current drawn from the reference voltage source.When the output voltage of the LDK130C32R is connected to a load, a slight voltage drop will occur. This drop is due to the resistance of the load, and the output voltage will drop until the error amplifier senses the difference and increases the current to the reference voltage source in order to increase the output voltage to the desired value.

Features

One of the key features of LDK130C32R is its low dropout voltage. This is important in microprocessor-based applications, as it allows the device to maintain a stable output even when the supply voltage is close to the output voltage. LDK130C32R also has a very low quiescent current, which reduces the power consumption when the device is not actively supplying a load.Other features of LDK130C32R include its fast response time, high ripple rejection, and output voltage accuracy of ± 0.5%. These features make it a desirable choice for applications that require a reliable and stable power supply.

Conclusion

LDK130C32R is a linear voltage regulator IC, particularly well suited for use in microprocessor-based systems, automotive electronics, and industrial applications. Its features include a low dropout voltage, fast response, high ripple rejection, and output accuracy. These features make LDK130C32R an excellent choice for applications which require a stable and reliable power supply.

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