Overview
The ADP2102YCPZ-0.8-R7 is a synchronous step-down DC-to-DC converter produced by Analog Devices Inc. This device is designed to convert an unregulated input voltage ranging from 2.7 V to 5.5 V to a lower regulated output voltage with high efficiency and accuracy. The ADP2102 is particularly suited for applications requiring low output voltages and high switching frequencies, making it ideal for USB-powered devices, WLAN and gateways, and other portable electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.7 V to 5.5 V |
| Output Voltage | 0.8 V (fixed), adjustable options available |
| Output Current | Up to 600 mA |
| Operating Frequency | Typical 3 MHz |
| Efficiency | Up to 95% |
| Accuracy | 1% |
| Package Type | 8-Lead LFCSP (3x3 mm) |
| Operating Temperature Range | -40°C to +85°C |
| Thermal Shutdown Threshold | 150°C |
| Thermal Shutdown Hysteresis | 15°C |
Key Features
- Internal synchronous rectifier and soft start
- Automatic power save mode and undervoltage lockout
- Current limit protection and thermal shutdown
- Enable/shutdown logic input
- Constant on-time current-mode control architecture with voltage feed forward
- Valley current-mode control to prevent minimum on-time limitations
- Forced continuous conduction mode (CCM) and power save mode (PSM)
- Low duty cycle capability ideal for USB applications and submicron processor cores
Applications
- USB powered devices
- WLAN and gateways
- Point of loads
- Processor core power from 5 V
- Digital cameras
- PDAs and palmtop computers
- Portable media players and GPS devices
Q & A
- What is the input voltage range of the ADP2102YCPZ-0.8-R7?
The input voltage range is from 2.7 V to 5.5 V. - What is the typical operating frequency of the ADP2102YCPZ-0.8-R7?
The typical operating frequency is 3 MHz. - What is the maximum output current of the ADP2102YCPZ-0.8-R7?
The maximum output current is up to 600 mA. - What are the key protection features of the ADP2102YCPZ-0.8-R7?
The key protection features include undervoltage lockout, current limit protection, and thermal shutdown. - What are the operating modes of the ADP2102YCPZ-0.8-R7?
The device operates in forced continuous conduction mode (CCM) and power save mode (PSM). - What is the package type of the ADP2102YCPZ-0.8-R7?
The package type is an 8-Lead LFCSP (3x3 mm). - What is the thermal shutdown threshold of the ADP2102YCPZ-0.8-R7?
The thermal shutdown threshold is 150°C. - What are some typical applications of the ADP2102YCPZ-0.8-R7?
Typical applications include USB powered devices, WLAN and gateways, digital cameras, and portable media players. - Does the ADP2102YCPZ-0.8-R7 have an internal synchronous rectifier?
Yes, it has an internal synchronous rectifier. - What is the accuracy of the output voltage of the ADP2102YCPZ-0.8-R7?
The accuracy of the output voltage is 1%.
