Overview
The ADP2119ACPZ-2.5-R7 is a high-efficiency, synchronous, step-down DC-DC converter produced by Analog Devices Inc. This component is part of the ADP2119 series and is designed to operate within a compact 3mm x 3mm LFCSP_WD package. It supports input voltages from 2.3V to 5.5V and can regulate the output voltage down to 0.6V, with the specific model ADP2119ACPZ-2.5-R7 providing a fixed output voltage of 2.5V. The device is optimized for low quiescent current and high efficiency, making it suitable for a variety of applications where power management is critical.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADP2119ACPZ-2.5-R7 |
| Package / Case | 10-LFCSP-WD (3x3) |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Input Voltage Range | 2.3V to 5.5V |
| Output Voltage (Fixed) | 2.5V |
| Output Current | Up to 2A |
| Switching Frequency | 1.2MHz |
| Synchronous Rectifier | Yes |
| Topology | Buck |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- High-efficiency synchronous buck converter with low quiescent current.
- Adjustable output voltage from 0.6V to 5.5V (though the ADP2119ACPZ-2.5-R7 model provides a fixed 2.5V output).
- Switching frequency of 1.2MHz, with synchronization range between 1MHz and 2MHz.
- Selectable PWM or PFM mode operation for power saving under light load conditions.
- Current mode architecture with precision threshold enable input and power-good flag.
- Voltage tracking and integrated soft start.
- Internal compensation and thermal shutdown protection.
- Compact 10-lead LFCSP_WD package (3mm x 3mm) suitable for space-constrained designs.
Applications
- Point of load conversion.
- Communications and networking equipment.
- Industrial and instrumentation applications.
- Consumer electronics.
- Medical applications.
Q & A
- What is the input voltage range of the ADP2119ACPZ-2.5-R7?
The input voltage range is from 2.3V to 5.5V.
- What is the fixed output voltage of the ADP2119ACPZ-2.5-R7 model?
The fixed output voltage is 2.5V.
- What is the maximum output current of the ADP2119ACPZ-2.5-R7?
The maximum output current is up to 2A.
- What is the switching frequency of the ADP2119ACPZ-2.5-R7?
The switching frequency is 1.2MHz.
- Does the ADP2119ACPZ-2.5-R7 support synchronous rectification?
Yes, it supports synchronous rectification.
- What is the operating temperature range of the ADP2119ACPZ-2.5-R7?
The operating temperature range is -40°C to 125°C (TJ).
- Is the ADP2119ACPZ-2.5-R7 RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What are the key protection features of the ADP2119ACPZ-2.5-R7?
The key protection features include undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
- What is the package type and size of the ADP2119ACPZ-2.5-R7?
The package type is 10-LFCSP-WD, and the size is 3mm x 3mm.
- What are some typical applications of the ADP2119ACPZ-2.5-R7?
Typical applications include point of load conversion, communications and networking equipment, industrial and instrumentation, consumer electronics, and medical applications.
