Overview
The ADP2323ACPZ-R7 is a high-efficiency, dual-output, synchronous step-down DC-DC controller produced by Analog Devices Inc. This controller is designed to provide robust and efficient power management solutions, particularly in applications requiring multiple voltage outputs. It features a current-mode architecture, integrating two high-side power MOSFETs and two low-side drivers for external N-channel MOSFETs. The device operates within a wide input voltage range of 4.5V to 20V and supports output voltages as low as 0.6V. The ADP2323ACPZ-R7 is known for its high efficiency, synchronous buck topology, and the ability to minimize inrush current through soft start functionality.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | ADP2323ACPZ-R7 |
| Manufacturer | Analog Devices Inc. |
| Package | 32-LFCSP-WQ (5x5) |
| Number of Outputs | 2 |
| Output Phases | 2 |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 20V |
| Frequency - Switching | 600kHz (programmable between 250kHz and 1.2MHz) |
| Duty Cycle (Max) | 90% |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Max Output Current | 3A per output (or 6A in parallel configuration) |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Dual-output step-down DC-DC controller with synchronous buck topology for improved efficiency.
- Independent voltage output rails with the ability to configure dual 3A outputs or a parallel-to-single 6A output.
- Soft start minimizes inrush current.
- Power good output for voltage monitoring.
- Frequency control for system optimization, with the ability to synchronize to an external clock.
- High switching frequency of 600kHz, programmable between 250kHz and 1.2MHz.
- Maximum duty cycle of 90% for high step-down ratios.
- Operating temperature range from -40°C to 125°C.
- Under voltage lockout for system protection.
- Overcurrent protection and thermal overload protection.
- Clock synchronization for noise-sensitive applications.
- Exposed pad package for enhanced thermal performance.
Applications
- Telecommunications infrastructure.
- Networking systems.
- Industrial power supplies.
- Computing and servers.
- Healthcare and medical devices.
- Intermediate power rail conversion.
- DC-to-DC point of load applications.
- Motor control.
Q & A
- What is the primary function of the ADP2323ACPZ-R7?
The ADP2323ACPZ-R7 is a dual-output, synchronous step-down DC-DC controller designed to regulate and manage power in various electronic systems.
- What is the input voltage range of the ADP2323ACPZ-R7?
The input voltage range is from 4.5V to 20V.
- What is the maximum output current per channel?
The maximum output current per channel is 3A, or 6A when configured in parallel.
- What is the switching frequency of the ADP2323ACPZ-R7?
The switching frequency is 600kHz, but it can be programmed between 250kHz and 1.2MHz or synchronized to an external clock.
- Does the ADP2323ACPZ-R7 support clock synchronization?
- What are the key protection features of the ADP2323ACPZ-R7?
The device includes overcurrent protection, thermal overload protection, and under voltage lockout for system protection.
- What is the operating temperature range of the ADP2323ACPZ-R7?
The operating temperature range is from -40°C to 125°C.
- Is the ADP2323ACPZ-R7 RoHS compliant?
- What package type does the ADP2323ACPZ-R7 use?
The device uses a 32-LFCSP-WQ (5x5) package with an exposed pad for enhanced thermal performance.
- In which applications is the ADP2323ACPZ-R7 commonly used?
