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. 121-9379
Mfr. Part No.TLV61220DBVR
HK$3.587
Each (On a Reel of 3000)
units
Step Up 400mA 1 0.5 % 0.5 % Surface Mount SOT-23 6 Adjustable 2000 kHz Yes - 3.05 x 1.75 x 1.3mm 1.3mm
RS Stock No. 177-2833
Mfr. Part No.MCP16251T-I/CH
BrandMicrochip
HK$3.863
Each (On a Reel of 3000)
units
Synchronous Boost Regulator 250mA 1 0.4 %/V 1.5 % Surface Mount SOT-23 6 Adjustable 575 kHz Yes - 3.1 x 1.8 x 1.3mm 1.3mm
RS Stock No. 786-2325
Mfr. Part No.CS5173GDR8G
HK$11.664
Each (In a Pack of 5)
units
Step Up 1.5A 1 0.03 %/V - Surface Mount SOIC 8 - 560 kHz Yes - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 533-3311
Mfr. Part No.LM2585T-ADJ/NOPB
HK$54.55
Each
units
Step Up 3A 1 100 mV 100 mV Through Hole TO-220 5 Adjustable 115 kHz Yes 93% 10.16 x 4.57 x 8.64mm 8.64mm
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. 778-0703
Mfr. Part No.SP6641AEK-L-3-3
BrandEXAR
HK$8.87
Each (In a Pack of 5)
units
Step Up 190mA 1 - - Surface Mount SOT-23 5 Fixed - Yes - 3.1 x 1.75 x 1.3mm 1.3mm
RS Stock No. 534-3425
Mfr. Part No.LM5000-3MTC/NOPB
HK$40.73
Each
units
Step Up - 1 - - Surface Mount TSSOP 16 Adjustable 700 kHz Yes 90% 5 x 4.4 x 0.9mm 0.9mm
RS Stock No. 920-3532
Mfr. Part No.LM2588S-ADJ/NOPB
HK$78.86
Each (In a Tube of 45)
units
Step Up 5A 1 100 mV 100 mV Surface Mount TO-263 7 Adjustable 200 kHz Yes - 10.16 x 8.64 x 4.57mm 4.57mm
RS Stock No. 163-0252
Mfr. Part No.NCV887001D1R2G
HK$5.754
Each (On a Reel of 2500)
units
Boost Controller 100µA 1 - - Surface Mount SOIC 8 Adjustable 110 kHz - - 5 x 4 x 1.5mm 1.5mm
RS Stock No. 165-9341
Mfr. Part No.MAX1523EUT+T
BrandMaxim
HK$24.689
Each (On a Reel of 2500)
units
Step Up - 1 - - Surface Mount SOT-23 6 - - - - 3 x 1.75 x 1.3mm 1.3mm
RS Stock No. 533-3412
Mfr. Part No.LM2588S-ADJ/NOPB
HK$95.14
Each
units
Step Up 5A 1 100 mV 100 mV Surface Mount TO-263 7 Adjustable 200 kHz Yes 90% 10.16 x 8.64 x 4.57mm 4.57mm
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. 914-3112
Mfr. Part No.TPS61291DRVT
HK$14.06
Each (In a Pack of 5)
units
Boost 250mA 1 0.15 %/V -0.007 %/mA Surface Mount SON 6 Selectable - Yes - 2.1 x 2.1 x 0.75mm 0.75mm
RS Stock No. 170-9385
Mfr. Part No.MP3212DQ-LF-P
HK$14.517
Each (On a Reel of 500)
units
Step Up 1.3A 1 0.1 %/V 0.1 V Surface Mount QFN 10 Adjustable 1.15 MHz Yes 88% 3.1 x 3.1 x 0.95mm 0.95mm
RS Stock No. 823-9326
Mfr. Part No.TPS61230DRCR
HK$15.86
Each (In a Pack of 2)
units
Step Up 2.1A 1 0.06 %/V 0.15 %/A Surface Mount SON 10 Adjustable 2 MHz - - 3.1 x 3.1 x 0.95mm 0.95mm
RS Stock No. 161-2588
Mfr. Part No.NCP1027P065G
HK$6.03
Each (In a Tube of 50)
units
Boost Converter 800mA 1 - - Through Hole DIP 8 Adjustable 100 kHz Yes 82% 10.16 x 7.11 x 4.95mm 4.95mm
RS Stock No. 162-4406
Mfr. Part No.TPS61070DDCR
HK$6.769
Each (On a Reel of 3000)
units
Step Up 150mA 1 1 % 1 % Surface Mount SOT-23 6 Adjustable 1200 kHz Yes - 2.9 x 1.6 x 0.87mm 0.87mm
RS Stock No. 162-6463
Mfr. Part No.TPS61090RSAR
HK$13.537
Each (On a Reel of 3000)
units
Step Up 500mA 1 0.6 % 0.6 % Surface Mount QFN 16 Adjustable 600 kHz Yes 96% 4 x 4 x 0.9mm 0.9mm
RS Stock No. 145-6623
Mfr. Part No.TPS61240DRVT
HK$6.288
Each (On a Reel of 250)
units
Step Up 450mA 1 - - Surface Mount SON 6 Fixed 3.5 MHz Yes 90% 2.1 x 2.1 x 0.75mm 0.75mm
RS Stock No. 162-4745
Mfr. Part No.LM5000-3MTC/NOPB
HK$37.847
Each (In a Tube of 92)
units
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