Product Details
Key Features
Applications/Uses
Simplified Block Diagram
Technical Docs
Data Sheet | 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with Reset | Dec 06, 2004 |
Support & Training
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Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.
Key Features
- Up to 97% Efficiency
- 2MHz PWM Switching
- 800mA Guaranteed Output Current
- Low 48µA Quiescent Current
- Power-Saving Modes: Pulse-Group, Pulse-Skip, Forced-PWM Mode
- 0.75V to 2.5V Preset Output Range (in 50mV Increments)
- Voltage-Positioning Load Transients
- 5mVP-P Output Ripple
- Tiny 2.2µH Inductor
- 10µF Ceramic Output Capacitor
- Low 0.1µA Shutdown Current
- No External Schottky Diode Required
- Soft-Start with Zero Inrush Current
- 170ms (min) active-low RESET Output
- Small 12-Pin, 4mm x 4mm Thin QFN Package
Applications/Uses
- Cell Phones/Smartphones
- Digital Cameras and Camcorders
- Handheld Instruments (PDAs, Palmtops)
- MP3 and DVD Players
- PCMCIA Cards
- PDAs, Palmtops, and Notebook Computers
Description
The MAX1572 includes a low on-resistance internal MOSFET switch and synchronous rectifier to maximize efficiency and minimize external component count. No external diode is needed. Other features include soft-start to eliminate inrush current at startup and a 170ms (min) RESET-bar output to provide power-on/undervoltage reset. The MAX1572 is available in a 12-pin, 4mm x 4mm thin QFN package with exposed paddle.
Technical Docs
Data Sheet | 800mA, 2MHz, PWM DC-to-DC Step-Down Converter with Reset | Dec 06, 2004 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Sampling:
Selecting the Sample button above will redirect to the third-party ADI Sample Site. The part selected will carry over to your cart on this site once logged in. Please create a new account there if you have never used the site before. Contact SampleSupport@analog.com with any questions regarding this Sample Site.