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Document overview
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Technical content
Features
- Input voltage: 2.4V to 5.5V
- Five independent synchronous bucks up to 3A
- One independent non-synchronous boost 200mA
- 200µA quiescent current (all regulators on)
- 93% peak buck efficiency, 85% typical efficiency at 1mA
- STBY control input for stand-by low-power mode
- I²C interface up to 3.4MHz
- I²C on-the-fly EEPROM programmability, featuring: − Buck and boost output voltage scaling − Power-on-reset threshold and delay − Power-up sequencing/sequencing delay − Buck and boost current limit − Buck and boost pull-down when disabled − Individual ON, OFF, and standby modes − Soft-start and global power-good masking
- 23µA buck typical quiescent current
- 70µA boost typical quiescent current
- 1.5% output accuracy over temperature/line/load
- 2.0MHz boost switching frequency
- 1.3MHz buck operation in continuous mode
- Ultra-fast buck transient response
- 15mm × 15mm × 1.25mm solution size
- Thermal-shutdown and current-limit protection
- 36-pin 4.5mm × 4.5mm × 0.85mm FQFN package
- −40°C to +125°C junction temperature range
Applications
- Client and enterprise solid state drives (SSD)
- Consumer and in-vehicle infotainment devices
- Multimedia devices
- Portable handheld devices
- Security camera
- Gaming machines
- Service provider gateways
Micrel, Inc. MIC7400 March 14, 2014 2 Revision 1.0 Typical Application
Ordering Information
Part Number(1) Marking Output Voltages Features Package(2) Lead Finish MIC7400YFL 7400-XXXX 1.8V, 1.1V, 1.8V 1.05V, 1.25V, 12V STBY – Active High 36-Pin 4.5mm × 4.5mm FQFN Pb-Free MIC7400YFL 7400-XXXX 1.8V, 1.1V, 1.8V 1.05V, 1.25V, 12V STBY - Active Low 36-Pin 4.5mm × 4.5mm FQFN Pb-Free MIC7400XXX(3) 7400-XXXX Configurable Configurable 36-Pin 4.5mm × 4.5mm FQFN Pb-Free Notes: 1. Other options available. Contact Micrel for details. 2. GREEN, RoHs-compliant package. Lead finish is NiPdAu. Mold compound is Halogen Free. 3. Configurable options available upon request. Contact Marketing. MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com Micrel makes no representations or warranties with respect to the accuracy or completeness of the information furnished in this data sheet. This information is not intended as a warranty and Micrel does not assume responsibility for its use. Micrel reserves the right to change circuitry, specifications and descriptions at any time without notice. No license, whether express, implied, arising by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Micrel’s terms and conditions of sale for such products, Micrel assumes no liability whatsoever, and Micrel disclaims any express or implied warranty relating to the sale and/or use of Micrel products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. © 2014 Micrel, Incorporated.