|Information||High Efficiency Step-Up Regulator|
|# of Channels||1|
|Special Features||Synchronous, Enable pin, Programmable low battery detection, Under voltage lockout protection|
|VIN MIN (V)||0.7|
|VIN MAX (V)||4.5|
|# of Outputs||1|
|VOUT MIN (V)||2.5|
|VOUT MAX (V)||5.5|
|Features||Synchronous, Enable pin, Programmable low battery detection, Under voltage lockout protection|
|Operating Temperature (°C)||-40 to 85|
|Peak Switch Current (A)||1.3|
|Startup Voltage (V)||0.85|
|Switching Frequency (kHz)||-|
|Operating Temp Range (°C)||0 to 85, -40 to 85|
The SP6648 is an ultra-low quiescent current, high efficiency step-up DC/DC converter ideal for single cell, dual cell alkaline and Li-ion battery applications such as digital still cameras, PDAs, MP3 players and other portable devices. The SP6648 combines the high-load efficiency associated with PWM control, with the low quiescent current and excellent light-load efficiency of PFM control. The SP6648 features 12μA quiescent current, synchronous rectification, a 0.3Ω charging switch, anti-ringing inductor switch, programmable low-battery detect, undervoltage lockout and programmable inductor peak current. The device can be controlled by a 1nA active LOW shutdown pin.
- Ultra-low 12µA quiescent current
- 400mA output current at 2.6V input: 3.3VOUT
- 94% efficiency from 2 cell to 3.3VOUT
- Wide input voltage range: 0.85V to 4.5V
- 3.3V fixed or adjustable output
- Integrated synchronous rectifier: 0.3Ω
- 0.3Ω switch
- Anti-ringing switch technology
- Programmable inductor peak current
- Logic shutdown control
- Under voltage lock-out at 0.61V
- Programmable low battery detect
- Single or dual cell alkaline
- Small 10-pin DFN package and industry standard 10-pin MSOP
Documentation & Design Tools
|Data Sheets||SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator||1.0.0||July 2006||256 KB|
|Application Notes||AN200, Downloading and Installing CAD Symbols and Footprints with Ultra Librarian||April 2019||1.2 MB|
|Application Notes||ANP-08, SP6648 Flashlight Application||C||November 2006||110.9 KB|
|Application Notes||ANP-28, Filter Design in Continuous Conduction Mode (CCM) of Operation; Part 2 Boost Regulator||A||March 2006||285.9 KB|
|User Guides & Manuals||SP6648LEDEvaluation Board Manual||1.0.0||September 2003||98.3 KB|
|User Guides & Manuals||SP6648 Evaluation Board Manual||1.0.0||April 2003||125.6 KB|
|Design Solutions||DS-49, 88% Efficient 30mV Output Ripple Inductive Boost Regulator Provides 70mA Supply for Portable Wireless Product Applications||November 2007||119.6 KB|
|Product Brochures||Power Management Brochure||October 2020||2.4 MB|
|Symbols & Footprints||SP6648EU-L/TR CAD File (.bxl)||September 2018||85.1 KB|
Quality & RoHS
Parts & Purchasing
|Part Number||Pkg Code||Min Temp||Max Temp||Status||Suggested Replacement||Buy Now||Order Samples||PDN|
|SP6648ER||DFN10 3x3 OPT1||-40||85||OBS|
|SP6648ER/TR||DFN10 3x3 OPT1||-40||85||OBS|
|SP6648ER-L||DFN10 3x3 OPT1||-40||85||OBS||SP6648ER-L/TR|
|SP6648ER-L/TR||DFN10 3x3 OPT1||-40||85||OBS||SP6648EU-L/TR|
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs.
FAQs & Support
Search our list of FAQs for answers to common technical questions.
For material content, environmental, quality and reliability questions review the Quality tab or visit our Quality page.
For ordering information and general customer service visit our Contact Us page.
Submit a Technical Support Question As a New Question
In this example, we looked for XRA1201. Click on part number header or on the link at the bottom of the result. This brings you to the product page. For example:
Click on Parts & Purchasing, highlighted with the blue arrow above. The screen changes to:
Notice the status column and the “Show obsolete parts” link. A legend tells you the definition of the different statuses. Click on the “Show obsolete parts” link to see EOL or OBS part numbers along with the Active part numbers, the legend still present:
Another method to find out if a part is OBS or EOL is to click on SUPPORT at the top:
And then Product Change Notifications:
Type the part into the search, and click on one of the part numbers from the drop down menu. Then you can look for the Product Discontinuation Notice, which generally is at the top of the list, for example:
If you see this, it tells you that this particular orderable part has been discontinued and when the last order date is, or was. If you click on the file, then you can view the notice we sent about this if you purchased the part in the recent past. It may also advise of a replacement part. When an orderable part first becomes discontinued, Product Discontinuation Notices are sent are sent to those who have purchased the parts in the recent past, if purchased directly, with a dated opportunity to place a last order.