ADP160ACBZ-3.0-R7

Current - Output:	150mA
Base Part Number:	ADP160
Supplier Device Package:	4-WLCSP (0.97x0.97)
Package / Case:	4-UFBGA, WLCSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	65µA
Current - Quiescent (Iq):	1.25µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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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ADP160ACBZ-3.0-R7 Application Field and Working Principle

PMIC, or power management integrated circuits, are vital components in any electronic platform requiring multiple voltage source regulation and active thermal management. Voltage regulators are one such type of power management integrated circuit, where the main purpose is to condition and manage a certain DC output from a given input level. Linear voltage regulators are the simplest type of voltage regulators and are widely used to maintain even output voltage throughout a large input voltage range. The ADP160ACBZ-3.0-R7 (ADP160) is a low-noise, low-dropout linear voltage regulator specifically designed for various mobile application processor and application-processor-based devices.

Overview of the ADP160ACBZ-3.0-R7

The ADP160 is a high performance, small size and low operating current linear voltage regulator specifically created for mobile application processors and application-processor-based devices. It is a monolithic integrated circuit that reduces the onboard component count and significantly improves the system efficiency. It is capable of supplying up to 1A of continuous output current at up to 1.5V output voltage and has good load transient response characteristics. In addition, its adjustable voltage range of 0.8V – 3.6V makes it suitable for a wide range of application processor and application-processor-based devices.

Comparison to Other Linear Voltage Regulators

With a low dropout voltage of 160mV, the ADP160 achieves much better efficiency than other linear voltage regulators. For example, the popular LD1117 linear voltage regulator has a dropout voltage of around 1V. Compared to the LD1117, the ADP160 provides superior current performance with a typical dropout voltage that is 6 times lower. As a result, the ADP160 operates with a much lower quiescent current compared to the LD1117, making it suitable for resource-sensitive applications.The ADP160 also offers superior thermal performance compared to other linear voltage regulators due to its low die size and low operating current. This provides a reliable and safe voltage regulation despite wide temperature ranges. In addition, its low noise performance ensures the application processor and application-processor-based devices remain in a stable, noise-free state.

Working Principle of the ADP160ACBZ-3.0-R7

The working principle of the ADP160 is based on the on-chip power transistor’s P-channel MOSFET function. The internal reference voltage of the ADP160 is compared to the input voltage and the voltage error signal fed to the error amplifier. The gain of the error amplifier is adjusted by a stabilizing network. The output of the error amplifier is integrated by an RC network to create a reference voltage. This reference voltage adjusts the gate-to-source voltage of the power transistor, which in turn adjusts the current flowing through the power transistor to adjust the output voltage of the device.The ADP160 also includes necessary protection circuitry to keep the output voltage and current within the specified limits. The protection circuitry includes current limiting, over-voltage protection, under-voltage reset, and thermal shutdown. The current limit function protects the output from excessively high current, while the over-voltage protection prevents excessively high output voltage. The under-voltage reset detects excessively low input voltage and sets the output voltage to a safe level, while the thermal shutdown feature prevents the device from overheating.

Conclusion

The ADP160ACBZ-3.0-R7 is a high performance and high efficiency linear voltage regulator with an adjustable output voltage range and low dropout voltage. It is designed for resource-sensitive mobile application processors and application-processor-based devices. Its low operating current and on-chip power transistor function provide safe and reliable voltage regulation and low noise performance, even in wide temperature ranges. Its protection features keep the output voltages and current safe from excessive levels, and its variable gain error amplifier ensures a stable output voltage, even with wide frequency range variations.

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