Overview
The ADP2102YCPZ-1.0-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 powering processor cores in various electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 2.7 to 5.5 | V |
| Output Voltage | 1.0 | V |
| Output Current | 600 | mA |
| Switching Frequency | 3 | MHz |
| Synchronous Rectifier | Yes | |
| Operating Temperature | -40 to 85 | °C |
| Package Type | 8-LFCSP (3x3) | |
| Mounting Type | Surface Mount | |
| Efficiency | Up to 95% | |
| Shutdown Supply Current | 0.01 µA | |
| Thermal Shutdown Threshold | 150 | °C |
Key Features
- High efficiency up to 95% and 1% output voltage accuracy
- Constant on-time, current-mode control architecture with voltage feed forward
- Internal synchronous rectifier and soft start
- Undervoltage lockout, thermal shutdown, and short-circuit protection
- Forced continuous conduction mode (CCM) and power save mode (PSM)
- Low duty cycle capability, ideal for USB applications and 5 V systems
- Small, low-cost external components (e.g., 1 µH inductor, 2.2 µF ceramic capacitor)
- Enable/shutdown logic input and programmable output voltage via resistive voltage divider
Applications
- USB-powered devices
- WLAN and gateways
- Point of load (POL) applications
- 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-1.0-R7?
The input voltage range is from 2.7 V to 5.5 V.
- What is the fixed output voltage of the ADP2102YCPZ-1.0-R7?
The fixed output voltage is 1.0 V.
- What is the maximum output current of the ADP2102YCPZ-1.0-R7?
The maximum output current is 600 mA.
- What is the switching frequency of the ADP2102YCPZ-1.0-R7?
The switching frequency is typically 3 MHz.
- Does the ADP2102YCPZ-1.0-R7 have a synchronous rectifier?
Yes, it has an internal synchronous rectifier.
- What are the operating temperature ranges for the ADP2102YCPZ-1.0-R7?
The operating temperature range is from -40°C to 85°C.
- What type of package does the ADP2102YCPZ-1.0-R7 come in?
The device comes in an 8-LFCSP (3x3) package.
- What is the efficiency of the ADP2102YCPZ-1.0-R7?
The efficiency is up to 95%.
- What are the protection features of the ADP2102YCPZ-1.0-R7?
The device includes undervoltage lockout, thermal shutdown, and short-circuit protection.
- Can the ADP2102YCPZ-1.0-R7 operate in different modes?
Yes, it can operate in forced continuous conduction mode (CCM) and power save mode (PSM).
