LM239PWRG4

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Differential
Number of Elements:	4
Output Type:	CMOS, MOS, Open-Collector, TTL
Voltage - Supply, Single/Dual (±):	2 V ~ 30 V, ±1 V ~ 15 V
Voltage - Input Offset (Max):	5mV @ 30V
Current - Input Bias (Max):	0.25µA @ 5V
Current - Output (Typ):	20mA
Current - Quiescent (Max):	2mA
CMRR, PSRR (Typ):	--
Propagation Delay (Max):	--
Hysteresis:	--
Operating Temperature:	-25°C ~ 125°C
Package / Case:	14-TSSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Supplier Device Package:	14-TSSOP
Base Part Number:	LM239

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LM239PWRG4 Application Field and Working Principle

Comparable devices are used in a variety of applications, ranging from powering up a single component to providing a full protection system for a component. Industrial linear - Comparators like the LM239PWRG4 are particularly popular as they are used in a wide range of general-purpose industrial electronics.

Design Purpose

The main purpose of the LM239PWRG4 is to compare two input signals and provide the user with information about the difference between the two. This device can be used to compare analog signals or digital signals. The outcome will depend on the comparison, based on the value of one of the signals.The LM239PWRG4 comes in a complete package with an internal heavy-duty comparator, voltage detector, hysteresis voltage monitor, and a reference voltage generator. The purpose of this design is to provide a reliable and efficient system for industrial applications, such as automotive, telecom, computer-controlled systems and industrial equipment.

Operation Principle

The LM239PWRG4’s works uses two inputs: V1 and V2. V1 will be the input reference that will be used for comparison against V2. Depending on the value applied to V1 relative to V2, the LM239PWRG4 will output either a high (1) or low (0) logic level at the OUT terminal. The device is also capable of working in an open collector mode, where an external voltage source drives a pull-up resistor that connects to the output.The hysteresis voltage monitor will monitor for any overvoltages, voltage spikes, or any significant changes in the V1 input. This prevents any sudden changes in the output value based on a small fluctuation in the input. In this way the LM239PWRG4 is able to provide reliable protection for any critical components or systems being monitored.The reference voltage generator of the LM239PWRG4 uses band-gap voltage reference circuitry to monitor the input voltage. This allows for accurate measurements and for reliable protection for systems that need to remain within prescribed ranges.

Applications

The LM239PWRG4 is mainly used in industrial settings, such as automotive, computer-controlled systems, and industrial equipment. It can be used to compare two analog signals or two digital signals and provide the user with information about the difference between them. The device is also capable of detecting overvoltages, voltage spikes, or any significant changes in the input, providing reliable protection and prevention of damage to critical systems. These features make the LM239PWRG4 an ideal choice for a variety of industrial applications, such as automotive and telecom, or general-purpose industrial electronics.

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