onsemi / Fairchild FAN4860 TinyBoost Regulator
onsemi / Fairchild FAN4860 TinyBoost Regulators offer power for USB On-the-Go (OTG), and HDMI communication circuits, combining a high level of efficiency as well as a small form factor. FAN4860 TinyBoost regulators switch at a high 3MHz frequency allowing the use of small capacitors and inductors, saving board space in space-constrained designs, and reducing overall BOM costs. The FAN4860 has a total solution area as small as 2.2mm x 3.9mm. This onsemi / Fairchild regulator offers the industry's highest efficiency for this form factor, extending battery life through an optimized power train and low quiescent current. With a VIN of 3.6V at light load (1mA), efficiency is 84 percent and at 200mA load efficiency is 91 percent. The FAN4860 is an ideal choice for cell phones, smartphones, PMPs, and lithium-ion portables.
Features
- Operates with very small external components
- Input voltage range from 2.3V to 4.5V
- Fixed 5.0V output voltage
- Maximum load current 200mA at VIN=2.3V
- Maximum load current 300mA at VIN=3.3V
- Up to 92% efficient
- Low operating quiescent current
Applications
- USB "On the Go" 5V supply
- HDMI 5V supply
- 5V supply for H-bridge motor drivers
- Powering 5V peripherals
- Supply source for WLED torch and flash lighting
- PDAs, portable media players
- Cell phones, smartphones, portable instruments
Block Diagram
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Publicado: 2010-06-22
| Actualizado: 2022-03-11