ADP2504
PRODUCTION1000 mA, 2.5 MHz Buck-Boost DC-to-DC Converter
- Part Models
- 4
- 1ku List Price
- Starting From $2.59
Overview
- 1 mm height profile
- Compact PCB footprint
- Seamless transition between modes
- 38 μA typical quiescent current
- 2.5 MHz operation enables 1.5 μH inductor
- Input voltage: 2.3 V to 5.5 V
- Fixed output voltage: 2.8 V to 5.0 V
- See data sheet for additional features
The ADP2503/ADP2504 are high efficiency, low quiescent current step-up/step-down dc-to-dc converters that can operate at input voltages greater than, less than, or equal to the regulated output voltage. The power switches and synchronous rectifiers are internal to minimize external device count. At high load currents, the ADP2503/ADP2504 use a current-mode, fixed frequency pulse width modulation (PWM) control scheme for optimal stability and transient response. To ensure the longest battery life in portable applications, the ADP2503/ADP2504 have an optional power save mode that reduces the switching frequency under light load conditions. For wireless and other low noise applications where variable frequency power save mode may cause interference, the logic control input sync forces fixed frequency PWM operation under all load conditions.
The ADP2503/ADP2504 can run from input voltages between 2.3 V and 5.5 V, allowing single lithium or lithium polymer cell, multiple alkaline or NiMH cells, PCMCIA, USB, and other standard power sources. The ADP2503/ADP2504 have fixed output options, or using the adjustable model, the output voltage can be programmed through an external resistor divider. Compensation is internal to minimize the number of external components.
During logic-controlled shutdown, the input is disconnected from the output and draws less than 1 µA from the input source. Operating as boost converters, the ADP2503/ADP2504 feature a true load disconnect function that isolates the load from the power source. Other key features include undervoltage lockout to prevent deep battery discharge, and soft start to prevent input current overshoot at startup.
Applications
- Wireless handsets
- Digital cameras/portable audio players
- Miniature hard disk power supplies
- USB powered devices
Documentation
Data Sheet 1
User Guide 2
Application Note 1
Evaluation Design File 3
Power Reference Designs 1
Analog Dialogue 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| ADP2504ACPZ-3.3-R7 | 10-Lead LFCSP (3mm x 3mm) | ||
| ADP2504ACPZ-3.5-R7 | 10-Lead LFCSP (3mm x 3mm) | ||
| ADP2504ACPZ-5.0-R7 | 10-Lead LFCSP (3mm x 3mm) | ||
| ADP2504ACPZ-R7 | 10-Lead LFCSP (3mm x 3mm) |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Feb 25, 2025 - 25_0055 Gold Wire to Copper Wire Conversion(PCA) |
||
| ADP2504ACPZ-3.3-R7 | PRODUCTION | |
| ADP2504ACPZ-3.5-R7 | PRODUCTION | |
| ADP2504ACPZ-5.0-R7 | PRODUCTION | |
| ADP2504ACPZ-R7 | PRODUCTION | |
|
Apr 27, 2012 - 11_0002 Layout change to ADP2503/4 to resolve latch-up issue during operation |
||
| ADP2504ACPZ-3.3-R7 | PRODUCTION | |
| ADP2504ACPZ-3.5-R7 | PRODUCTION | |
| ADP2504ACPZ-5.0-R7 | PRODUCTION | |
| ADP2504ACPZ-R7 | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
Can't find the software or driver you need?
Request a Driver/SoftwareTools & Simulations
LTspice
Models for the following parts are available in LTspice:
- ADP2504
- ADP2504-2.8
- ADP2504-3.3
- ADP2504-3.5
- ADP2504-4.2
- ADP2504-4.5
- ADP2504-5.0
ADP2503/4 Buck Boost Regulator Design Tool
Microsoft Excel download tool from ADIsimPower to generate a power supply design complete with a schematic, bill of materials, and performance specifications.
Open ToolLTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
3D Time of Flight Development Platform
Resources
Software
ADP2504 Evaluation Board