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-L-3-3 | |
| 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.
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