Overview
| Information | 500mA Alkaline DC/DC Boost Regulator |
|---|---|
| # of Outputs | 1 |
| IOUT (A) | 0.5 |
| Peak Switch Current (A) | 0.28 |
| VIN MIN (V) | 0.9 |
| VIN MAX (V) | 4.5 |
| Startup Voltage (V) | 0.85 |
| IQ (µA) | 10 |
| VOUT MIN (V) | 3.3 |
| VOUT MAX (V) | 5 |
| Frequency (kHz) | |
| Efficiency (%) | 87 |
| Operating Temperature (°C) | -40 to 85 |
| Package | SOT23-5 |
| Special Features | Non synchronous, Enable pin, Current limiting |
- Ultra Low Quiescent Current: 10uA
- Wide Input Voltage Range: 0.9V to 4.5V
- 90mA IOUT at 1.3V Input 3.3V output (SP6641AEK-3-3)
- 100mA IOUT at 2.0V Input 5.0V output (SP6641AEK-5-0)
- 500mA IOUT at 2.6 Input 3.3V output (SP6641BEK-3-3)
- 500mA IOUT at 3.3V Input 5.0V output (SP6641BEK-5-0)
- Current Limit Protection
- Thermal Shutdown Protection with Hysteresis
- Auxiliary Supply Control
- Internal 0.3Ω NFET Switch Eliminates External FETs
- Kelvin Connection with 3.3V Feedback
Documentation & Design Tools
| Type | Title | Version | Date | File Size |
|---|---|---|---|---|
| Data Sheets | SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23 | 1.0.0 | May 2005 | 131.5 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 | SP6641A-41B Evaluation Board Manual | 1.0.0 | July 2002 | 82.8 KB |
| Symbols & Footprints | SP6641BEK-L-3-3/TR CAD File (.bxl) | September 2018 | 81.7 KB | |
| Symbols & Footprints | SP6641BEK-L-5-0/TR CAD File (.bxl) | September 2018 | 81.7 KB |
Quality & RoHS
| Part Number | RoHS | Exempt | RoHS | Halogen Free | REACH | TSCA | MSL Rating / Peak Reflow | Package |
|---|---|---|---|---|---|---|---|
| SP6641BEK-L-3-3/TR | N | Y | Y | Y | Y | L1 / 260ᵒC | SOT-23-5 |
| SP6641BEK-L-5-0/TR | N | Y | Y | Y | Y | L1 / 260ᵒC | SOT-23-5 |
| SP6641BEK-L-3-3/TR | N | Y | Y | Y | Y | L1 / 260ᵒC | SOT-23-5 |
| SP6641BEK-L-5-0/TR | N | Y | Y | Y | Y | L1 / 260ᵒC | SOT-23-5 |
Click on the links above to download the Certificate of Non-Use of Hazardous Substances.
Parts & Purchasing
| Part Number | Pkg Code | Min Temp | Max Temp | Status | Suggested Replacement | PDN |
|---|---|---|---|---|---|---|
| SP6641BEK-3-3 | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-3-3/TR | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-5-0 | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-5-0/TR | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-L-3-3 | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-L-3-3/TR | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-L-5-0 | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK-L-5-0/TR | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641BEK/TR | SOT-23-5 | -40 | 85 | OBS | ||
| SP6641CK/TR | SOT-23-5 | 0 | 70 | OBS |
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.
Packaging
| Pkg Code | Details | Quantities | Dimensions |
|---|---|---|---|
| SOT-23-5 |
|
|
|
Notifications
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
Find the product page of the part that you want to get an evaluation board for and click on Parts & Purchasing. Example:
Click on Parts & Purchasing or Order Now. Locate the icons under Buy Now or Order Samples:
Click on the Buy Now icon and see who has stock and click on the Buy button:
Alternatively, you can click on the Order Samples icon to request a sample.
Note, not all products are sampleable from the website.
If the icons are missing, create a support ticket.
Visit the product page for the part you are interested in. The part's status is listed in the Parts & Purchasing section. You can also view Product Lifecycle and Obsolescence Information including PDNs (Product Discontinuation Notifications).
To visit a product page, type the part into the search window on the top of the MaxLinear website.
In this example, we searched for XR33180. Visit the product page by clicking the part number or visit the orderable parts list by clicking "Orderable Parts".
The Parts & Purchasing section of the product page shows the Status of all orderable part numbers for that product. Click Show obsolete parts, to see all EOL or OBS products.
