Overview
The ADP2164ACPZ-3.3-R7 is a high-efficiency, synchronous step-down DC-to-DC regulator produced by Analog Devices Inc. This regulator is designed to provide a continuous output current of up to 4 A and is available in a compact 4 mm × 4 mm LFCSP package. It is part of the ADP2164 series, which offers adjustable and preset output voltage options, making it versatile for various applications. The ADP2164ACPZ-3.3-R7 specifically provides a fixed output voltage of 3.3 V.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 6.5 V |
| Output Voltage | Fixed: 3.3 V (adjustable options available in other variants) |
| Output Current | Up to 4 A |
| Switching Frequency | Fixed: 600 kHz or 1.2 MHz; Adjustable: 500 kHz to 1.4 MHz |
| Integrated FET On-Resistance | 43 mΩ (P-channel), 29 mΩ (N-channel) |
| Output Accuracy | ±1.5% |
| Package Type | 4 mm × 4 mm LFCSP |
| Thermal Shutdown | Yes |
| Overcurrent Protection (OCP) | Yes |
| Overvoltage Protection (OVP) | Yes |
| Undervoltage Lockout (UVLO) | Yes |
Key Features
- High efficiency due to integrated low on-resistance P-channel and N-channel MOSFETs
- 100% duty cycle operation for low dropout voltage at high output current
- Adjustable and synchronizable switching frequency from 500 kHz to 1.4 MHz
- Integrated soft start to limit inrush current at startup
- Overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown
- SYNC input for phase synchronization to reduce ripple and eliminate beat frequencies
- Compact 4 mm × 4 mm LFCSP package
Applications
The ADP2164ACPZ-3.3-R7 is suitable for a variety of applications requiring high current and high efficiency step-down voltage regulation. These include:
- Portable electronics such as smartphones, tablets, and laptops
- Industrial control systems and automation
- Medical devices requiring reliable power supply
- Aerospace and defense systems where compact and efficient power solutions are critical
- Server and storage systems in data centers
Q & A
- What is the input voltage range of the ADP2164ACPZ-3.3-R7? The input voltage range is from 2.7 V to 6.5 V.
- What is the fixed output voltage of the ADP2164ACPZ-3.3-R7? The fixed output voltage is 3.3 V.
- What is the maximum output current of the ADP2164ACPZ-3.3-R7? The maximum output current is up to 4 A.
- What are the switching frequency options for the ADP2164? The switching frequency can be fixed at 600 kHz or 1.2 MHz, or adjustable from 500 kHz to 1.4 MHz.
- Does the ADP2164 have integrated overvoltage protection (OVP)? Yes, it does have OVP.
- What is the package type of the ADP2164ACPZ-3.3-R7? The package type is 4 mm × 4 mm LFCSP.
- Does the ADP2164 support synchronization of multiple ICs? Yes, it supports synchronization through the SYNC input.
- What are the key protection features of the ADP2164? The key protection features include overcurrent protection (OCP), overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown.
- How does the ADP2164 manage inrush current at startup? It integrates a soft start feature to limit inrush current at startup.
- What is the typical application of the ADP2164 in portable electronics? It is used for high-efficiency power supply in devices such as smartphones, tablets, and laptops.
