Overview
The ADP2105ACPZ-3.3-R7 is a high-performance, fixed-output voltage regulator produced by Analog Devices Inc. This synchronous step-down dc-to-dc converter is designed to provide a stable and consistent 3.3V output voltage with high efficiency, reaching up to 95%. The device operates within an input voltage range of 2.7V to 5.5V, making it suitable for a variety of applications including portable electronics, battery-powered devices, and industrial equipment. Its compact 16-lead LFCSP package and low quiescent current enhance its appeal for space-constrained and power-efficient designs.
Key Specifications
| Product Category | Switching Voltage Regulators |
|---|---|
| Topology | Buck |
| Output Voltage | 3.3 V |
| Output Current | 1 A |
| Number of Outputs | 1 Output |
| Input Voltage, Min | 2.7 V |
| Input Voltage, Max | 5.5 V |
| Switching Frequency | 1.2 MHz |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +125°C |
| Height | 0.83 mm |
| Length | 4 mm |
| Width | 4 mm |
| Load Regulation | 0.4 %/A |
| Package/Case | 16-Lead LFCSP |
Key Features
- PWM and LDO modes for flexibility in application
- Fault tolerant and robust design with low noise
- Economical solution with low standby current (ultralow quiescent current: 20 μA)
- Compact 16-lead LFCSP package
- Suitable for automotive and industrial applications
- Pulse width modulation control and fixed frequency (1.2 MHz)
- Internal synchronous rectifier
- Enable/shutdown logic input and undervoltage lockout
- Programmable soft start to limit inrush current at startup
Applications
- Mobile handsets
- PDAs and palmtop computers
- Telecommunication/networking equipment
- Set top boxes
- Audio/video consumer electronics
- Portable electronics and battery-powered devices
- Industrial equipment
Q & A
- What is the output voltage of the ADP2105ACPZ-3.3-R7?
The output voltage is fixed at 3.3V.
- What is the input voltage range for the ADP2105ACPZ-3.3-R7?
The input voltage range is from 2.7V to 5.5V.
- What is the maximum output current of the ADP2105ACPZ-3.3-R7?
The maximum output current is 1 A.
- What is the switching frequency of the ADP2105ACPZ-3.3-R7?
The switching frequency is 1.2 MHz.
- What is the operating temperature range for the ADP2105ACPZ-3.3-R7?
The operating temperature range is from -40°C to +125°C.
- What package type is used for the ADP2105ACPZ-3.3-R7?
The device is packaged in a 16-lead LFCSP.
- Does the ADP2105ACPZ-3.3-R7 support PWM and LDO modes?
Yes, it supports both PWM and LDO modes for flexibility in application.
- What is the quiescent current of the ADP2105ACPZ-3.3-R7?
The quiescent current is ultralow at 20 μA.
- Is the ADP2105ACPZ-3.3-R7 suitable for automotive applications?
Yes, it is suitable for automotive and industrial applications.
- Does the ADP2105ACPZ-3.3-R7 have an internal synchronous rectifier?
Yes, it has an internal synchronous rectifier for high efficiency.
