Overview
The ADP1111AR-5-REEL, produced by Analog Devices Inc., is a micropower step-up/step-down switching regulator. This device is part of a family of regulators that operate from an input voltage supply of 2 V to 30 V, making it versatile for various applications. It is available in an 8-SOIC package and can be configured for both step-up and step-down or inverting modes with minimal external components. The ADP1111AR-5-REEL is designed to deliver high efficiency and low output ripple, making it suitable for a range of electronic devices.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | 0°C ~ 70°C (TA) |
| Voltage - Input (Min) | 2V |
| Voltage - Input (Max) | 30V |
| Output Type | Adjustable/Fixed (3.3V, 5V, 12V) |
| Current - Output | 400mA (Switch) |
| Output Configuration | Positive or Negative |
| Topology | Buck, Boost |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 30V |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Frequency - Switching | 72kHz |
| Number of Outputs | 1 |
Key Features
- Operates from 2 V to 30 V input voltage range
- 72 kHz switching frequency
- Step-up, step-down, or inverting mode operation
- Low battery detector and user-adjustable current limit
- Internal 1 A power switch
- Fixed or adjustable output voltage
- Very few external components required
- Utilizes surface mount inductors
- Low output ripple and high efficiency
Applications
- Laptop and palmtop computers
- Cellular telephones
- Flash memory VPP generators
- Remote controls and peripherals
- Add-on cards
- Battery backup supplies
- Uninterruptible power supplies
- Portable instruments
Q & A
- What is the input voltage range of the ADP1111AR-5-REEL?
The input voltage range is from 2 V to 30 V. - What are the possible output configurations of the ADP1111AR-5-REEL?
The output can be configured as positive or negative. - What is the switching frequency of the ADP1111AR-5-REEL?
The switching frequency is 72 kHz. - What are the fixed output voltage options available for the ADP1111AR-5-REEL?
The fixed output voltage options are 3.3 V, 5 V, and 12 V. - How many external components are required to configure the ADP1111AR-5-REEL?
Only a few external components are required, typically just three. - What is the maximum switch current of the ADP1111AR-5-REEL?
The maximum switch current can be programmed up to 1 A. - What are some common applications of the ADP1111AR-5-REEL?
Common applications include laptop and palmtop computers, cellular telephones, and battery backup supplies. - What is the package type of the ADP1111AR-5-REEL?
The package type is 8-SOIC (0.154", 3.90mm Width). - Does the ADP1111AR-5-REEL have a low battery detector feature?
Yes, it includes a low battery detector feature. - Can the ADP1111AR-5-REEL operate in both step-up and step-down modes?
Yes, it can operate in both step-up and step-down modes as well as inverting mode.
