ADP7157ACPZ-01-R7

Current - Output:	1.2A
Base Part Number:	ADP7157
Supplier Device Package:	10-LFCSP-WD (3x3)
Package / Case:	10-WFDFN Exposed Pad, CSP
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB ~ 52dB (1kHz ~ 1MHz)
Current - Supply (Max):	12mA
Current - Quiescent (Iq):	8mA
Series:	--
Voltage Dropout (Max):	0.17V @ 1.2A
Voltage - Output (Max):	1.8V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to ADP7157ACPZ-01-R7

The ADP7157ACPZ-01-R7 is a low-noise, integrated linear voltage regulator that is used to powers small, medium, or large electronic devices. By utilizing a low-noise voltage regulator, device designers can minimize the noise in systems with sensitive analog components. The ADP7157ACPZ-01-R7 can provide up to 1.3A continuous current, is available in a number of output voltages from +2.8V to +5.0V, and is housed in a lead-free, RoHS-compliant SSOP-16 package.

Application Field

The ADP7157ACPZ-01-R7 is suitable for powering audio, video, and communication systems, processors, and sensor applications that can benefit from its low-noise linear voltage regulator. Its low-noise output and small package make it suitable for use in low-power systems, as well as in high power systems.Audio and video systems can benefit from the ADP7157ACPZ-01-R7 due to its low-noise output and high current capability. Its low-noise output helps reduce interference and helps reduce signal distortion caused by power supply noise. Its high current capability makes it suitable for powering circuits with large current consumption. This makes the ADP7157ACPZ-01-R7 suitable for powering audio systems, TV sets, and various audio and video applications.Processors can benefit from the ADP7157ACPZ-01-R7 because of its low-noise output, which helps reduce interference for processors that rely of sensitive analog components. This makes the ADP7157ACPZ-01-R7 suitable for powering processor-based applications such as embedded systems, robotics, and other applications that require low-noise power.Communication systems, such as cellular phones, can benefit from the ADP7157ACPZ-01-R7 due to its low-noise output. Its low-noise output helps reduce interference caused by power supply noise and helps reduce signal distortion, resulting in improved signal strength. Additionally, its small package makes it suitable for powering systems in small form factors, such as mobile phones.Sensor applications can benefit from the ADP7157ACPZ-01-R7 because it offers a low-noise voltage regulator that supports high current applications. This makes it suitable for powering applications such as medical imaging and automotive sensors that require a low-noise voltage regulator in order to improve signal quality.

Working Principle

The ADP7157ACPZ-01-R7 is a low-noise, integrated linear voltage regulator that is designed to provide a regulated output voltage from a nominal input voltage. The device comprises a voltage reference, error amplifier, and power MOSFET that are all integrated on the same chip.When a voltage is applied to the device, the internal voltage reference sets a constant output voltage. This is then compared with the voltage at the output node, and the error amplifier modulates the current to the load. The power MOSFET then regulates the current to the desired output voltage by taking into account any changes in load current, input voltage, or junction temperature.The device is designed to operate in bypass mode, meaning that it will remain in bypass mode when the load current is below 70µA; enabling lower power consumption and high efficiency. It is also designed to operate in forced-PWM mode when the load current is above 70µA; this results in a much faster transient response.

Conclusion

To summarize, the ADP7157ACPZ-01-R7 is a low-noise, integrated linear voltage regulator that is suitable for powering audio, video, and communication systems, processors, and sensor applications due to its low-noise output and high current capability. Its working principle consists of a voltage reference, error amplifier, and power MOSFET integrated on the same chip that have been designed to operate in bypass and PWM modes. By utilizing the ADP7157ACPZ-01-R7, device designers can benefit from its low-noise output and small package to reduce interference in systems with sensitive analog components.

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