ADP5034ACPZ-2-R7

PMIC - Voltage Regulators - Linear + Switching

The ADP5034ACPZ-2-R7 Linear and Switching Regulator is part of the family of Voltage Regulators from Analog Devices. Voltage Regulators are key components of any power management system in which precise control of the output voltage and current is essential. The ADP5034ACPZ-2-R7 Linear and Switching Regulator is specifically designed for use in applications where size and cost are key factors, such as point-of-load power supplies, embedded power systems, and mixed-signal power management.

What is an ADP5034ACPZ-2-R7?

The ADP5034ACPZ-2-R7 is a high-performance, low-voltage linear and switching regulator. It is capable of providing up to 5 A of continuous current, with a total output voltage range of 0 V to 5 V. The device’s high-efficiency and integrated switching architecture helps to save space and reduce EMI, improving system reliability and overall performance. Additionally, the regulator features an integrated power switch and PGOOD output to facilitate complex sequencing operations.

Application fields of an ADP5034ACPZ-2-R7

The ADP5034ACPZ-2-R7 is suitable for various application fields including, but not limited to :
1. Point-of-load power supplies, especially in applications demanding high efficiency and low noise with a small form factor.
2. Mixed-signal power management for embedded systems.
3. Memory card power management.
4. FPGA power management.
5. Low voltage DC-DC conversion.
6. Automotive systems, including telematics and navigation.

Working Principle of the ADP5034ACPZ-2-R7

The ADP5034ACPZ-2-R7 Linear and Switching Regulator is a pulse-width modulation (PWM) voltage regulator. It employs an innovative combination of linear and switch-mode topologies to provide high efficiency across a wide load range. The device integrates a low dropout linear regulator, a dual-mode PWM switch mode converter, and a low duty cycle linear regulator. The linear regulator is used for light loads and the PWM converters are used for heavier loads, thereby minimizing standby power requirements.

The device has two switching frequency settings, which can be set via resistors connected to the relevant terminals. A low frequency setting of 1 kHz is ideal for reducing electromagnetic interference (EMI) while the high frequency option of 8 kHz is suitable for higher efficiency levels. It also features a power good output pin (PGOOD), which indicates when the output voltage is within a specified window. The PGOOD pin can be used to automatically shut down a system when the voltage falls out of acceptable ranges.

The device has an operating temperature range of -40°C to +125°C. It can be used with various load capacitances and over temperature protection ensures safe operation. The device is qualified for automotive applications and has the appropriate certification.