Overview
The ADP2164ACPZ-1.2-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 operates with an input voltage range of 2.7 V to 6.5 V and can regulate the output voltage from 0.6 V to the input voltage, with preset output voltage options of 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 6.5 V |
| Output Voltage Range | 0.6 V to VIN (preset options: 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, 1.0 V) |
| 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 | 16-WQFN Exposed Pad, CSP |
| Thermal Shutdown | Yes |
| Overvoltage Protection (OVP) | Yes |
| Overcurrent Protection (OCP) | 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
- Fixed and adjustable switching frequencies to optimize performance
- Synchronization capability to reduce ripple and eliminate beat frequencies
- Integrated soft start to limit inrush current at startup
- Overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown for robust reliability
- Undervoltage lockout (UVLO) for safe operation
Applications
The ADP2164ACPZ-1.2-R7 is suitable for a variety of applications requiring high-efficiency DC-to-DC conversion, including but not limited to:
- Portable electronics and battery-powered devices
- Industrial control systems and automation
- Medical devices and equipment
- Aerospace and defense systems
- Telecommunications and networking equipment
Q & A
- What is the input voltage range of the ADP2164ACPZ-1.2-R7? The input voltage range is from 2.7 V to 6.5 V.
- What are the preset output voltage options for the ADP2164ACPZ-1.2-R7? The preset output voltage options are 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V.
- What is the maximum output current of the ADP2164ACPZ-1.2-R7? The maximum output current is up to 4 A.
- What are the switching frequency options for the ADP2164ACPZ-1.2-R7? The switching frequency can be fixed at 600 kHz or 1.2 MHz, or adjustable from 500 kHz to 1.4 MHz.
- Does the ADP2164ACPZ-1.2-R7 have overvoltage protection? Yes, it has overvoltage protection (OVP).
- What is the package type of the ADP2164ACPZ-1.2-R7? The package type is 16-WQFN Exposed Pad, CSP.
- Does the ADP2164ACPZ-1.2-R7 support synchronization? Yes, it supports synchronization to reduce ripple and eliminate beat frequencies.
- What safety features does the ADP2164ACPZ-1.2-R7 include? It includes thermal shutdown, overcurrent protection (OCP), and undervoltage lockout (UVLO).
- How does the ADP2164ACPZ-1.2-R7 manage inrush current at startup? It integrates a soft start feature to limit inrush current at startup.
- What is the typical application of the ADP2164ACPZ-1.2-R7? It is typically used in portable electronics, industrial control systems, medical devices, aerospace, and telecommunications equipment.
