Overview
The ADP2164ACPZ-2.5-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 packaged in a compact 4 mm x 4 mm LFCSP (Lead Frame Chip Scale Package). It 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 preset options including 2.5 V, among others. The ADP2164 is ideal for applications requiring high current density and efficiency in a small footprint.
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 Voltage Accuracy | ±1.5% |
| Package Type | 16-pin 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 currents.
- Fixed and adjustable switching frequencies (500 kHz to 1.4 MHz) with synchronization capability.
- 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.
- Compact 4 mm x 4 mm LFCSP package for space-efficient designs.
Applications
The ADP2164ACPZ-2.5-R7 is suitable for a variety of applications requiring high current density and efficiency, such as:
- Portable electronics (e.g., smartphones, tablets, and laptops).
- Industrial control systems and automation.
- Medical devices and equipment.
- Aerospace and defense systems.
- Server and storage systems in data centers.
Q & A
- What is the input voltage range of the ADP2164ACPZ-2.5-R7? The input voltage range is from 2.7 V to 6.5 V.
- What are the preset output voltage options for the ADP2164? The preset output voltage options include 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-2.5-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 overcurrent protection? Yes, the ADP2164 includes overcurrent protection (OCP).
- What is the package type of the ADP2164ACPZ-2.5-R7? The package type is a 16-pin LFCSP.
- Does the ADP2164 have thermal shutdown protection? Yes, it includes thermal shutdown protection.
- What is the output voltage accuracy of the ADP2164? The output voltage accuracy is ±1.5%.
- Can the ADP2164 synchronize with other regulators? Yes, it has a SYNC input to synchronize multiple ICs out of phase.
- What is the purpose of the integrated soft start feature in the ADP2164? The integrated soft start feature limits inrush current at startup.
