SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23
FEATURES
• 100mA IOUT at 2.0V Input (SP6641A-5.0V)
• 500mA IOUT at 3.3V Input (SP6641B-5.0V)
• Fixed 3.3V or 5.0V Output Voltage
• Up to 87% Efficiency
• 0.3ohm NFET RDSon
• Startup Voltage Guaranteed at 0.9V
• 0.33A Inductor Current Limit (SP6641A)
• 1A Inductor Current Limit (SP6641B)
• Logic Shutdown Control
• SOT-23-5 Package
APPLICATIONS
• PDA's
• DSC's
• CD/MP3 Players
• Pagers
• Digital Cameras
• Portable Handheld Medical Devices
DESCRIPTION
The SP6641 is an ultra-low quiescent current, high efficiency, DC-DC boost converter designed for single and dual cell alkaline, or Li-ion battery applications found in PDA's, MP3 players, and other handheld portable devices. The SP6641 features a 10µA quiescent current, a 0.3ohm Nchannel charging switch, 0.9V input startup, and a 0.33A or 1.0A inductor current limiting feature.
The SP6641 is offered in a 5 pin SOT-23 package and provides an extremely small power supply footprint optimized for portable applications. The SP6641 is preset to 3.3V and can be controlled by a 1nA active LOW shutdown pin.
Notice:
1. As a Diamond Member and an Audited Supplier of Made-in-China since 2014, Telefly guarantees that all the semiconductor chips and other electronic components we provide are 100% new and original, all the chips and components are from formal channels and can be traced back to original manufacturers.
2. All products we provide will be double checked and proper inspection process will be strictly followed before delivery.
3. We promise to provide at least 1 year after-sell service for all products we sell.
4. Due to the reality of sometime volatile changes of the chips and components' stock and prices, please contact with us for their availability and quoting prices before payment.
5. We use DHL, UPS, FedEx, TNT, HONGKONG Post, EUB, EMS or other global express delivery services you designate.
Company Profile
Company Profile
TELEFLY Telecommunications Equipment Co., Ltd. is a leading Chinese Telecommunications Equipment manufacturer and a semiconductor chip and other electronic component distributor founded in 2004, certified by SGS, CFL Certification Center. We provide high quality and price competitive semiconductor chips and other electronic components, Ethernet switch ,SFP transceiver,media converter ,patch cable, Fiber Optic Splitter and so on. Up till now, our products and solutions have been deployed in over 60 countries and regions, TELEFLY is looking forward to strengthening friendly cooperative relationships with all clients, creating benefits together and sharing the joy of success!
Our Advantages
Why you choose TELEFLY be one of your partner?
1.Customer get satisfied quality and service with competitive price and punctual delivery.
2.OEM service with 13-year experiences, free samples are available.
3.Prompt answer for any question and inquiry in the shortest time.
4.Factory directly,reduce your cost and save time.
1.Customer get satisfied quality and service with competitive price and punctual delivery.
2.OEM service with 13-year experiences, free samples are available.
3.Prompt answer for any question and inquiry in the shortest time.
4.Factory directly,reduce your cost and save time.
FAQ
Q1 . What your MOQ?
A1 .If not specified, 1 pcs is ok,whatever how many you need,and we will also give you the best service.
Q2.What certification did you get?
A2 : Our product strictly operate the ISO9001:2008 quality control system and we passed the CE,FCC,ROHS and SGS test,you can trust us.
Q3 :What about your package and delivery,will it broke during shipping?
A3:You don't need to worry about the package,we will use shockproof case for delivering.
Q4.What your common delivery way?
A4:By air, by sea or express(UPS,DHL,Fedex,TNT,EMS...)We will make a perfect delivery plan for you.
Audited Supplier 
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