NCV8177BMX120TCG

Voltage Dropout (Max):	--
Supplier Device Package:	4-XDFN (1x1)
Package / Case:	4-XDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	75dB (1kHz)
Current - Quiescent (Iq):	90µA
Current - Output:	500mA
Series:	Automotive, AEC-Q100
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
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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NCV8177BMX120TCG Application Field and Working Principle

Introduction

The NCV8177BMX120TCG belongs to the NCV8177 series of low dropout regulators (LDOs) from ON Semiconductor. It is a low-noise, low-power Voltage Regulator IC that is designed and tested to provide reliable power management performance in Linear applications.The NCV8177BMX120TCG is designed to meet the need of modern Consumer, Industrial and Healthcare applications that require high accuracy, low-noise, low dropout voltage and tight output voltage regulation. The device stays in regulation even as the load current decreases, making it an ideal choice for regulating voltages in environments that require little to no active power management.

Features

The NCV8177BMX120TCG offers a range of features such as: - Low dropout voltage of only 120 mV at low current. - Output current up to 2A. - Programmable output voltage and undervoltage lockout thresholds. - Low quiescent current and current sense accuracy of ±1%.- Temperature protection.- Short-circuit protection. - Low-noise operation from 10 Hz to 400 kHz.- RoHS and REACH compliant.

Applications

The NCV8177BMX120TCG is ideal for use in applications that require reliable and consistent power delivery, such as Portable Electric/Electronic Devices and Low-Power Industrial/Consumer Electronics. It is also suitable for cards, modules, and small form-factor Industrial Computing, including Fanless Embedded Systems, Industrial Automation, Telematics, and Residential Gateway applications.

Working Principle

The NCV8177BMX120TCG uses a built-in feedback circuit, sense loop and a low-noise circuit to optimize and maintain the output voltage, thereby providing regulation even with load current variations. Its low-dropout voltage ensures that it remains in regulation even at lower current levels compared to traditional LDOs.The device features a programmable undervoltage lockout (UVLO) threshold to prevent low-battery conditions. The output voltage and UVLO thresholds can be adjusted by using external resistors. The device also features a temperature protection circuit to prevent overheat damage. A current sense circuit allows for accurate current sensing, allowing the user to monitor system power consumption.

Conclusion

The NCV8177BMX120TCG from ON Semiconductor is a low noise, low power Voltage Regulator IC that provides reliable power management performance in Linear applications. With its low dropout voltage, programmable output voltage, undervoltage lockout and temperature protection, it is ideal for Portable Electric/Electronic Devices and Low-Power Industrial/Consumer Electronics. It is RoHS and REACH compliant.

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