Overview
The ADP2164ACPZ-1.0-R7 is a high-efficiency, synchronous step-down DC-to-DC regulator produced by Analog Devices Inc. This regulator is part of the ADP2164 series and is designed to provide a continuous output current of up to 4 A. It is available in a compact 4 mm × 4 mm LFCSP package, making it suitable for space-constrained applications.
The ADP2164ACPZ-1.0-R7 operates with an input voltage range of 2.7 V to 6.5 V and can regulate the output voltage down to 0.6 V, with this specific model fixed at 1.0 V output. The regulator uses a fixed-frequency, peak current mode PWM control architecture, allowing for high efficiency and minimal external component count.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 6.5 V |
| Output Voltage | Fixed at 1.0 V (adjustable models available from 0.6 V to VIN) |
| Output Current | Up to 4 A continuous |
| Switching Frequency | Fixed: 600 kHz or 1.2 MHz; Adjustable: 500 kHz to 1.4 MHz |
| Output Accuracy | ±1.5% |
| Integrated FET On-Resistance | 43 mΩ (P-channel), 29 mΩ (N-channel) |
| Package | LFCSP-16 |
| 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 currents.
- High switching frequency (up to 1.2 MHz) allowing the use of small external components.
- Synchronization capability to reduce ripple and eliminate beat frequencies.
- Integrated soft start to limit inrush current at startup.
- Overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown for robust operation.
- Undervoltage lockout (UVLO) for preventing operation below minimum input voltage.
Applications
The ADP2164ACPZ-1.0-R7 is suitable for a variety of applications requiring high-efficiency DC-to-DC conversion, including:
- Portable electronics such as smartphones, tablets, and laptops.
- Industrial control systems and automation equipment.
- Medical devices requiring reliable and efficient power supply.
- Aerospace and defense systems where space and efficiency are critical.
- Server and data storage systems needing high current and low voltage power supplies.
Q & A
- What is the input voltage range of the ADP2164ACPZ-1.0-R7?
The input voltage range is from 2.7 V to 6.5 V.
- What is the fixed output voltage of the ADP2164ACPZ-1.0-R7 model?
The fixed output voltage is 1.0 V.
- What is the maximum continuous output current of the ADP2164?
The maximum continuous 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 overcurrent protection?
Yes, it has overcurrent protection (OCP).
- What package type is the ADP2164ACPZ-1.0-R7 available in?
The ADP2164ACPZ-1.0-R7 is available in an LFCSP-16 package.
- Does the ADP2164 support synchronization?
Yes, it supports synchronization to reduce ripple and eliminate beat frequencies.
- What is the purpose of the integrated soft start feature?
The integrated soft start feature limits inrush current at startup.
- Does the ADP2164 have thermal shutdown protection?
Yes, it has thermal shutdown protection.
- What is the typical application of the ADP2164 in industrial settings?
In industrial settings, it is often used in control systems and automation equipment where high efficiency and reliability are crucial.
