Overview
The ADP2102YCPZ-1.25R7 is a synchronous step-down DC-DC converter produced by Analog Devices Inc. This component is designed to convert an unregulated input voltage ranging from 2.7V to 5.5V into a regulated output voltage of 1.25V with high efficiency and accuracy. The device 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 |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | ADP2102YCPZ-1.25R7 |
| Function | Step-Down |
| Topology | Buck |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.25V |
| Current - Output | 600mA |
| Frequency - Switching | 3MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-VFDFN Exposed Pad, CSP |
Key Features
- High efficiency up to 95% and 1% output voltage accuracy
- Internal synchronous rectifier and internal soft start
- Undervoltage lockout, thermal shutdown, and short-circuit protection
- Constant on-time current-mode control architecture with voltage feed forward
- Power save mode and forced continuous conduction mode (CCM)
- Small 8-lead, 3 mm × 3 mm LFCSP package
- Low duty cycle capability ideal for USB applications and 5 V systems
- Automatic power save mode and internal compensation
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-1.25R7?
The input voltage range is from 2.7V to 5.5V.
- What is the fixed output voltage of the ADP2102YCPZ-1.25R7?
The fixed output voltage is 1.25V.
- What is the maximum output current of the ADP2102YCPZ-1.25R7?
The maximum output current is 600mA.
- What is the switching frequency of the ADP2102YCPZ-1.25R7?
The typical switching frequency is 3MHz.
- Does the ADP2102YCPZ-1.25R7 have a synchronous rectifier?
Yes, it has an internal synchronous rectifier.
- What is the operating temperature range of the ADP2102YCPZ-1.25R7?
The operating temperature range is -40°C to 85°C (TA).
- What package type does the ADP2102YCPZ-1.25R7 use?
The package type is 8-VFDFN Exposed Pad, CSP.
- Does the ADP2102YCPZ-1.25R7 have built-in protection features?
Yes, it includes undervoltage lockout, thermal shutdown, and short-circuit protection.
- What are the typical applications for the ADP2102YCPZ-1.25R7?
Typical applications include USB powered devices, WLAN and gateways, point of loads, and portable electronics.
- Is the ADP2102YCPZ-1.25R7 still in production?
No, the ADP2102YCPZ-1.25R7 is listed as obsolete.
