Overview
The ADP2118ACPZ-1.2-R7 from Analog Devices Inc. is a highly efficient and versatile synchronous step-down DC-DC converter. This regulator is designed with a current mode, constant frequency PWM control scheme, ensuring superior stability and transient response. It can operate in PFM mode under light loads, reducing switching frequency to save power without compromising performance. The compact 4mm × 4mm LFCSP package makes it an ideal choice for space-constrained applications, offering a reliable and space-efficient solution for power regulation needs.
Key Specifications
| Parameter | Value |
|---|---|
| Product Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Voltage - Input (Min) | 2.3 V |
| Voltage - Input (Max) | 5.5 V |
| Voltage - Output (Min/Fixed) | 1.2 V |
| Current - Output | 3 A |
| Frequency - Switching | 600 kHz, 1.2 MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | LFCSP-16 |
| Supplier Device Package | 16-LFCSP (4x4) |
| Base Product Number | ADP2118 |
| Manufacturer | Analog Devices Inc. |
| Product Category | Switching Voltage Regulators |
| RoHS | Compliant |
| Mounting Style | SMD/SMT |
| Output Voltage | 1.2 V |
| Output Current | 3 A |
| Number of Outputs | 1 Output |
| Input Voltage, Min | 2.3 V |
| Input Voltage, Max | 5.5 V |
| Quiescent Current | 100 uA |
| Switching Frequency | 600 kHz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Series | ADP2118 |
| Brand | Analog Devices |
| Development Kit | ADP2118-EVALZ |
| Height | 0.73 mm |
| Length | 4 mm |
| Load Regulation | 0.08 %/A |
| Moisture Sensitive | Yes |
| Product Type | Switching Voltage Regulators |
| Factory Pack Quantity | 1500 |
| Subcategory | PMIC - Power Management ICs |
| Type | Step Down |
| Width | 4 mm |
| Unit Weight | 0.006914 oz |
Key Features
- Low Power Consumption: The ADP2118ACPZ-1.2-R7 operates in PFM mode under light loads, reducing switching frequency to save power.
- Compact Module Design: The regulator is packaged in a compact 4mm × 4mm LFCSP, making it suitable for space-constrained applications.
- Flexible Voltage Range: It can operate with input voltages from 2.3 V to 5.5 V and output voltages adjustable from 0.6 V to the input voltage.
- Economical Pricing: Offers a cost-effective solution for power management needs.
- High Efficiency: Features an integrated high-side switch and low-side synchronous rectifier for high efficiency at medium-to-full loads.
- Protection Features: Includes undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown (TSD).
- Integrated Soft Start: Limits inrush current at startup.
Applications
- Security Systems: Suitable for power management in security systems due to its high efficiency and reliability.
- Digital Displays: Ideal for powering digital displays where compact and efficient power solutions are required.
- Audio Devices: Used in audio devices to ensure stable and efficient power supply.
- Point of Load Conversion: Effective for point of load conversion in various applications.
- Communications and Networking Equipment: Used in communications and networking equipment for reliable power management.
- Industrial and Instrumentation: Suitable for industrial and instrumentation applications requiring high efficiency and reliability.
- Consumer Electronics: Used in consumer electronics for efficient power management.
- Medical Appliances: Applied in medical appliances where precise and reliable power supply is crucial.
Q & A
- What is the input voltage range of the ADP2118ACPZ-1.2-R7?
The input voltage range is from 2.3 V to 5.5 V.
- What is the output voltage and current of the ADP2118ACPZ-1.2-R7?
The output voltage is fixed at 1.2 V, and the output current is 3 A.
- What is the switching frequency of the ADP2118ACPZ-1.2-R7?
The switching frequency is 600 kHz or 1.2 MHz.
- Does the ADP2118ACPZ-1.2-R7 have protection features?
Yes, it includes undervoltage lockout (UVLO), overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown (TSD).
- What is the package type of the ADP2118ACPZ-1.2-R7?
The package type is 16-lead LFCSP (4mm × 4mm).
- Can the ADP2118ACPZ-1.2-R7 operate in PFM mode?
Yes, it can operate in PFM mode under light loads to save power.
- What are the key applications of the ADP2118ACPZ-1.2-R7?
It is used in security systems, digital displays, audio devices, point of load conversion, communications and networking equipment, industrial and instrumentation, consumer electronics, and medical appliances.
- Does the ADP2118ACPZ-1.2-R7 have an integrated soft start feature?
Yes, it has an integrated soft start feature to limit inrush current at startup.
- What is the operating temperature range of the ADP2118ACPZ-1.2-R7?
The operating temperature range is from -40°C to 125°C (TJ).
- Is the ADP2118ACPZ-1.2-R7 RoHS compliant?
Yes, it is RoHS compliant.
