ADP5033ACBZ-3-R7

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The ADP5033ACBZ-3-R7 is a three-terminal linear power-management integrated circuit (PMIC) voltage regulator with linear and switching capabilities. It is designed for use in a wide range of wireless and handheld applications. This device is capable of regulating a wide operating input voltage range from 3.1V to 6.5V in order to provide a regulated 3.3V or 5.0V output. It uses an adaptive loop control that provides fast transient response and excellent system stability.

The ADP5033ACBZ-3-R7 supports high precision outputs in steps of 100 mV down to 3.0V from 3.3V and 5.0V. The device includes an integrated low dropout (LDO) section with low-power (LP) mode for reducing power consumption in light-load conditions. Other features include a low-ESR ceramic output voltage compensation capacitor, reverse current protection, over-temperature protection (OTP), overvoltage protection (OVP), and current limiting. The device also features a low-power sleep mode that helps minimize system power consumption in battery-powered systems. The device is organized into 3 functional blocks: the adaptive loop compensation, the switching section, and the linear section.

Adaptive Loop Compensation
The adaptive loop compensation block of the ADP5033ACBZ-3-R7 provides a fast transient response and excellent system stability. It uses an on-chip compensation network and an external resistor to provide the loop compensation. This allows for an optimized design for each application.

Switching Section
The switching section of the ADP5033ACBZ-3-R7 is composed of two LDO linear regulators. The first regulator is a low impedance, low quiescent current regulator with a 1.52V reference voltage. The second regulator is a low-power (LP) mode LDO with a 3.3V reference voltage. The device operates in continuous conduction mode (CCM) and uses pulse-width modulation (PWM) to regulate the output voltage.

Linear Section
The linear section of the ADP5033ACBZ-3-R7 is composed of two low noise linear regulators with a 1.8V and 3.3V reference voltage. The linear section is designed to regulate the low voltage rail, such as 1.5V or 2.5V, with a low noise solution.

The ADP5033ACBZ-3-R7 is designed to be used in a variety of applications, such as optical storage and portable communication devices. The device can also be used in automotive and industrial applications, such as medical and data communication systems. The device also has a wide dynamic range for efficient load sharing between the two sections and is equipped with protective features that help to ensure system safety. The device is compliant with RoHS and AEC-Q100 standards.

The ADP5033ACBZ-3-R7 is a versatile PMIC voltage regulator with linear and switching capabilities and a wide operating input voltage range. Its adaptive loop control enables fast transient response and excellent system stability. Its integrated low dropout and low-power mode sections enable efficient power management in battery-powered systems and the device is protected by a range of safety features. The device is ideal for a wide range of wireless and handheld applications.

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