Overview
The ADP2102YCPZ-1.2-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 into a regulated output voltage of 1.2 V with high efficiency and accuracy. It features a constant on-time current-mode control architecture, which allows for the generation of very low output voltages at high switching frequencies. The ADP2102YCPZ-1.2-R7 is particularly suited for applications requiring low power consumption and high reliability, such as in portable electronics, industrial control systems, and medical devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADP2102YCPZ-1.2-R7 |
| Function | Step-Down (Buck) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7 V |
| Voltage - Input (Max) | 5.5 V |
| Voltage - Output (Fixed) | 1.2 V |
| Current - Output | 600 mA |
| Frequency - Switching | 3 MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature Range | -40°C to 85°C |
| Package | 8-Lead LFCSP (3mm x 3mm w/ EP) |
| RoHS Status | Compliant |
Key Features
- High efficiency up to 95% and 1% output voltage accuracy
- Constant on-time current-mode control architecture with voltage feed forward to null frequency variation with line voltage
- Internal synchronous rectifier and soft start
- Undervoltage lockout, thermal shutdown, and short-circuit protection
- Low duty cycle capability, ideal for USB applications and 5 V systems powering submicron processor cores
- Compact 8-lead LFCSP package, suitable for surface-mount applications
- Lead-free and RoHS compliant
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
- Industrial control systems
- Medical devices
- Audio equipment and automotive electronics
Q & A
- What is the input voltage range of the ADP2102YCPZ-1.2-R7?
The input voltage range is from 2.7 V to 5.5 V.
- What is the fixed output voltage of the ADP2102YCPZ-1.2-R7?
The fixed output voltage is 1.2 V.
- What is the maximum output current of the ADP2102YCPZ-1.2-R7?
The maximum output current is 600 mA.
- What is the switching frequency of the ADP2102YCPZ-1.2-R7?
The switching frequency is typically 3 MHz.
- Does the ADP2102YCPZ-1.2-R7 have a synchronous rectifier?
Yes, it has an internal synchronous rectifier.
- What are the key protection features of the ADP2102YCPZ-1.2-R7?
The device features undervoltage lockout, thermal shutdown, and short-circuit protection.
- What is the operating temperature range of the ADP2102YCPZ-1.2-R7?
The operating temperature range is from -40°C to 85°C.
- Is the ADP2102YCPZ-1.2-R7 RoHS compliant?
Yes, it is RoHS compliant.
- What package type is the ADP2102YCPZ-1.2-R7 available in?
The device is available in an 8-lead LFCSP package (3mm x 3mm w/ EP).
- What are some typical applications of the ADP2102YCPZ-1.2-R7?
Typical applications include USB powered devices, WLAN and gateways, point of loads, processor core power, digital cameras, PDAs, and more.
