Boost Converters

Boost converters typically are devices used to increase the voltage from one end, whilst slowing down the current.
How do they work?
The boost converter is able to store energy in its inductor and then simultaneously release it at a higher load voltage than was inputted in the beginning making it very useful in speeding up devices.
Features and benefits:
• Use of inexpensive surface mount inductors (making them very cost effective)
• Low battery detectors included in some models
• High efficiency in all devices
• Consistent peak current control to reduce output ripple
• Electromagnetic interference circuitry
Where might I use one?
• LCD, OLED display supplies
• Mobile phones
• MP3 players
• Haptic displays
• Portable devices like tablets
• PDAs
• Wireless systems
• Bar-code scanners

...
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Description Price Regulator Function Maximum Output Current Number of Outputs Line Regulation Load Regulation Mounting Type Package Type Pin Count Output Type Maximum Switching Frequency Switching Regulator Efficiency Dimensions Height
RS Stock No. 533-5418
Mfr. Part No.LM2731XMF/NOPB
HK$16.68
Each
units
Step Up - 1 0.02 %/V - Surface Mount SOT-23 5 Adjustable 1600 kHz Yes 85% 2.92 x 1.6 x 1.02mm 1.02mm
RS Stock No. 506-1915
Mfr. Part No.LTC3429ES6#TRMPBF
HK$32.93
Each
units
Step Up 600mA 1 - - Surface Mount TSOT-23 6 Adjustable 620 kHz Yes 96% 2.9 x 1.75 x 0.9mm 0.9mm
RS Stock No. 920-0032
Mfr. Part No.LT3759EMSE#PBF
HK$30.445
Each (In a Tube of 37)
units
Boost, Inverting 2A 1 0.05 %/V -0.6 % Surface Mount MSOP 12 Adjustable 1000 kHz Yes - 4.039 x 3 x 0.86mm 0.86mm
RS Stock No. 145-6225
Mfr. Part No.LMR62014XMFE/NOPB
HK$8.651
Each (On a Reel of 250)
units
Step Up 2A 1 0.02 %/V - Surface Mount SOT-23 5 Adjustable 1.85 MHz Yes - 3.05 x 1.75 x 1.3mm 1.3mm
RS Stock No. 181-382
Mfr. Part No.LM5001MA/NOPB
HK$33.68
Each
units
Inverting, Step Up 1A 1 - - Surface Mount SOIC 8 Adjustable 1500 kHz Yes 96% 4.9 x 3.9 x 1.45mm 1.45mm
RS Stock No. 796-1319
Mfr. Part No.NCV887200D1R2G
HK$12.15
Each (In a Pack of 2)
units
Boost Controller 100µA 1 - - Surface Mount SOIC 8 - 742 kHz Yes - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 545-5944
Mfr. Part No.LT1302CN8#PBF
HK$53.61
Each
units
Step Up 1A 1 0.15 %/V - Through Hole PDIP 8 Adjustable 265 kHz Yes - 10.16 x 6.48 x 3.3mm 3.3mm
RS Stock No. 822-6534
Mfr. Part No.LTC3786EMSE#PBF
HK$45.87
Each
units
Boost 85µA 1 - 2 % Surface Mount MSOP 16 Adjustable 585 kHz Yes - 4.039 x 3 x 0.86mm 0.86mm
RS Stock No. 153-3476
Mfr. Part No.LT1302CN8#PBF
HK$42.225
Each (In a Tube of 50)
units
Step Up 1A 1 0.15 %/V - Through Hole PDIP 8 Adjustable 265 kHz Yes - 10.16 x 6.48 x 3.3mm 3.3mm
RS Stock No. 910-1638
Mfr. Part No.MIC2253-06YML-TR
BrandMicrochip
HK$8.55
Each (In a Pack of 5)
units
Boost 3.5A 1 0.5 % - Surface Mount MLF 12 Adjustable 1.2 MHz Yes - 3 x 3 x 0.83mm 0.83mm
RS Stock No. 919-9269
Mfr. Part No.LT3494EDDB#TRMPBF
HK$19.91
Each (On a Reel of 500)
units
Boost Converter 27mA 1 - - Surface Mount DFN 8 Adjustable, Selectable 50 kHz Yes - 3 x 2 x 0.75mm 0.75mm
RS Stock No. 506-1886
Mfr. Part No.LTC3421EUF#PBF
HK$47.70
Each
units
Step Up 1.5A 1 - - Surface Mount QFN 24 Adjustable 3000 kHz Yes 96% 4 x 4 x 0.75mm 0.75mm
RS Stock No. 145-6308
Mfr. Part No.LTC3786EMSE#PBF
HK$34.633
Each (In a Tube of 37)
units
Boost 85µA 1 - 2 % Surface Mount MSOP 16 Adjustable 585 kHz Yes - 4.039 x 3 x 0.86mm 0.86mm
New
RS Stock No. 192-2580
Mfr. Part No.MAX641ACSA+
BrandMaxim
HK$63.005
Each (In a Pack of 2)
units
Step Up 1.5A 1 0.08 %V 0.2 %V Surface Mount SOIC 8 Adjustable, Fixed 50 kHz Yes - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 869-6104
Mfr. Part No.MCP1642B-ADJI/MS
BrandMicrochip
HK$9.376
Each (In a Pack of 5)
units
Step Up 800mA 1 ±0.5 %/V ±1.5 % Surface Mount MSOP 8 Adjustable 1.15 MHz Yes - 3 x 3 x 0.95mm 0.95mm
RS Stock No. 145-9392
Mfr. Part No.MCP1642B-ADJI/MS
BrandMicrochip
HK$6.42
Each (In a Tube of 100)
units
Step Up 800mA 1 ±0.5 %/V ±1.5 % Surface Mount MSOP 8 Adjustable 1.15 MHz Yes 96% 3 x 3 x 0.95mm 0.95mm
RS Stock No. 812-3659
Mfr. Part No.TPS61240DRVT
HK$11.48
Each (On a Tape of 10)
units
Step Up 450mA 1 - - Surface Mount SON 6 Fixed 3.5 MHz Yes - 2.1 x 2.1 x 0.75mm 0.75mm
RS Stock No. 184-5197
Mfr. Part No.BD8317GWL-E2
BrandROHM
HK$8.258
Each (On a Reel of 3000)
units
Step Up 1A 2 12.5 mV - Surface Mount UCSP 11 Adjustable 0.88 MHz Yes - 1.8 x 1.5 x 0.4mm 0.4mm
RS Stock No. 622-9027
Mfr. Part No.MAX856CSA+
BrandMaxim
HK$29.88
Each
units
Step Up 150mA 1 - - Surface Mount SOIC 8 Fixed 500 kHz Yes - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 153-3485
Mfr. Part No.LT1301CN8#PBF
HK$32.252
Each (In a Tube of 50)
units
Step Up 120mA 1 0.15 %/V - Through Hole PDIP 8 Fixed 185 kHz Yes 89% 10.16 x 6.48 x 3.3mm 3.3mm
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