Overview
The ADP2120ACPZ-1.2-R7 is a low-power, synchronous step-down DC-DC converter produced by Analog Devices Inc. This component is designed for precise voltage regulation and is suitable for a wide range of applications requiring efficient power management. It operates within a compact 10-lead, 3 mm × 3 mm LFCSP_WD package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADP2120ACPZ-1.2-R7 |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Voltage - Input (Min) | 2.3V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Fixed) | 1.2V |
| Current - Output | 1.25A |
| Frequency - Switching | 1.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 10-LFCSP-WD (3x3) |
| Load Regulation | 0.08 %/A |
| Quiescent Current | 150 µA |
Key Features
- High Efficiency: The ADP2120ACPZ-1.2-R7 features synchronous rectification for high efficiency, ensuring extended battery life and reduced heat generation.
- Compact Package: It is housed in a 10-lead, 3 mm × 3 mm LFCSP_WD package, making it suitable for space-constrained designs.
- Adjustable and Fixed Output Versions: While the ADP2120ACPZ-1.2-R7 has a fixed output voltage of 1.2V, other versions in the series offer adjustable output voltages from 0.6V to 5.5V.
- Current Mode Control: Uses a current mode, constant frequency pulse-width modulation (PWM) control scheme for excellent stability and transient response.
- Pulse Frequency Modulation (PFM): Can be configured to operate in PFM mode under light load conditions to reduce switching frequency and save power.
- Integrated Soft Start and Protection Features: Includes integrated soft start, undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown for reliable operation.
- Power-Good Flag and Voltage Tracking: Features a power-good flag and voltage tracking capabilities for monitoring and controlling the output voltage.
Applications
- Point of Load Conversion: Ideal for point of load conversion in various electronic systems.
- Communications and Networking Equipment: Suitable for use in communications and networking equipment due to its high efficiency and reliability.
- Industrial and Instrumentation: Used in industrial and instrumentation applications where precise voltage regulation is crucial.
- Consumer Electronics: Commonly used in consumer electronics such as portable devices and low-power systems.
- Medical Applications: Applicable in medical devices where high efficiency and reliability are essential.
Q & A
- What is the input voltage range of the ADP2120ACPZ-1.2-R7?
The input voltage range is from 2.3V to 5.5V.
- What is the fixed output voltage of the ADP2120ACPZ-1.2-R7?
The fixed output voltage is 1.2V.
- What is the maximum output current of the ADP2120ACPZ-1.2-R7?
The maximum output current is 1.25A.
- What is the switching frequency of the ADP2120ACPZ-1.2-R7?
The switching frequency is 1.2MHz.
- Does the ADP2120ACPZ-1.2-R7 support synchronous rectification?
Yes, it supports synchronous rectification for high efficiency.
- What is the operating temperature range of the ADP2120ACPZ-1.2-R7?
The operating temperature range is from -40°C to 125°C (TJ).
- What package type does the ADP2120ACPZ-1.2-R7 use?
It uses a 10-lead LFCSP_WD (3x3) package.
- Does the ADP2120ACPZ-1.2-R7 have built-in protection features?
Yes, it includes undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown.
- Can the ADP2120ACPZ-1.2-R7 operate in pulse frequency modulation (PFM) mode?
Yes, it can be configured to operate in PFM mode under light load conditions to save power.
- What are some common applications of the ADP2120ACPZ-1.2-R7?
Common applications include point of load conversion, communications and networking equipment, industrial and instrumentation, consumer electronics, and medical applications.
