Charge Pumps

Charge pumps are DC to DC converters that are often needed in designs requiring more than one dc supply voltage. It’s made up of switches and capacitors. The switches are usually diodes in discrete designs but are also MOSFETs in IC versions. The capacitors are electrolytic or ceramics depending on the switching speed. There’s no need for an inductor. Charge pumps can double, triple, halve voltages but they can also invert or scale voltages. They are commonly used in low-power electronic devices to suit a voltage for different parts of the circuit.
Charge Pumps have a few advantages over the majority of other types of DC-DC converters and they are:
• Simplicity in build
• Lower cost of production
• Fewer components
• No inductor
• Higher efficiency than linear

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Omschrijving Prijs Converter Type Maximum Output Current Maximum Switching Frequency Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Height Length Maximum Operating Supply Voltage Maximum Operating Temperature Maximum Output Voltage Minimum Operating Supply Voltage
RS-stocknr. 912-2944
FabrikantnummerMCP1252-33X50I/MS
FabrikantMicrochip
€ 0,946
Each (In a Tube of 100)
Aantal stuks
Step Down/Step Up 150mA 650 kHz Surface Mount MSOP 8 - 3 x 3 x 0.85mm 0.85mm 3mm 5.5 V +85 °C - 2.1 V
RS-stocknr. 403-715
FabrikantnummerMCP1252-33X50I/MS
FabrikantMicrochip
€ 1,268
Each (In a Pack of 5)
Aantal stuks
Step Down, Step Up 150mA 650 kHz Surface Mount MSOP 8 - 3 x 3 x 0.85mm 0.85mm 3mm 5.5 V +85 °C - 2.1 V
RS-stocknr. 403-604
FabrikantnummerMCP1253-33X50I/MS
FabrikantMicrochip
€ 1,268
Each (In a Pack of 5)
Aantal stuks
Step Down/Step Up 120mA 1 MHz Surface Mount MSOP 8 - 3 x 3 x 0.85mm 0.85mm 3mm 5.5 V +85 °C - 2.1 V
RS-stocknr. 889-5572
FabrikantnummerMCP1253-33X50I/MS
FabrikantMicrochip
€ 0,946
Each (In a Tube of 100)
Aantal stuks
Step Down/Step Up 120mA 1 MHz Surface Mount MSOP 8 - 3 x 3 x 0.85mm 0.85mm 3mm 5.5 V +85 °C - 2.1 V
RS-stocknr. 774-7888
FabrikantnummerTC7660SEOA
FabrikantMicrochip
€ 0,83
Each (In a Bag of 5)
Aantal stuks
Inverting 20mA 45 kHz Surface Mount SOIC 8 - 5 x 3.99 x 1.5mm 1.5mm 5mm 12 V +85 °C -12 V 1.5 V
RS-stocknr. 146-0207
FabrikantnummerTC7660SEOA
FabrikantMicrochip
€ 0,616
Each (In a Tube of 100)
Aantal stuks
Inverting 20mA 45 kHz Surface Mount SOIC 8 - 5 x 3.99 x 1.5mm 1.5mm 5mm 12 V +85 °C -12 V 1.5 V
RS-stocknr. 872-2461
FabrikantnummerTC7660COA
FabrikantMicrochip
€ 0,539
Each (In a Tube of 100)
Aantal stuks
- - - Surface Mount SOIC 8 - 4.9 x 3.91 x 1.42mm 1.42mm 4.9mm - +70 °C 10 V -
RS-stocknr. 823-4006
FabrikantnummerTC1044SCPA
FabrikantMicrochip
€ 0,744
Each (In a Pack of 10)
Aantal stuks
Charge Pump 20mA 45 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 12 V +70 °C -12 V 3 V
RS-stocknr. 178-4969
FabrikantnummerTC1044SCPA
FabrikantMicrochip
€ 0,704
Each (In a Tube of 60)
Aantal stuks
Charge Pump 20mA 45 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 12 V +70 °C -12 V 3 V
RS-stocknr. 207-0281
FabrikantnummerTC7660COA
FabrikantMicrochip
€ 0,73
Each
Aantal stuks
- - - Surface Mount SOIC 8 - 4.9 x 3.91 x 1.42mm 1.42mm 4.9mm - +70 °C 10 V -
RS-stocknr. 774-7876
FabrikantnummerTC7660EPA
FabrikantMicrochip
€ 0,70
Each (In a Bag of 5)
Aantal stuks
Inverting 20mA 10 kHz Through Hole PDIP 8 - 0.4 x 0.3 x 0.175in 4.45mm 10.16mm 10 V +85 °C -10 V 1.5 V
RS-stocknr. 774-7419
FabrikantnummerMCP1257-E/MF
FabrikantMicrochip
€ 1,346
Each (In a Bag of 5)
Aantal stuks
Regulated 100mA 650 kHz Surface Mount DFN 10 - 3.15 x 3.15 x 0.95mm 0.95mm 3.15mm 3.6 V +125 °C 3.3 V 1.8 V
RS-stocknr. 774-7898
FabrikantnummerTC962EPA
FabrikantMicrochip
€ 2,68
Each (In a Bag of 2)
Aantal stuks
Inverting 80mA 24 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 18 V +85 °C -18 V 3 V
RS-stocknr. 403-705
FabrikantnummerMCP1253-ADJI/MS
FabrikantMicrochip
€ 1,268
Each (In a Pack of 5)
Aantal stuks
Step Down, Step Up 120mA 1 MHz Surface Mount MSOP 8 - 3 x 3 x 0.85mm 0.85mm 3mm 5.5 V +85 °C 5.5 V 2 V
RS-stocknr. 207-0297
FabrikantnummerTC7660CPA
FabrikantMicrochip
€ 0,73
Each
Aantal stuks
- - - Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm - +70 °C 10 V -
RS-stocknr. 774-7400
FabrikantnummerMCP1256-E/UN
FabrikantMicrochip
€ 1,346
Each (In a Bag of 5)
Aantal stuks
Regulated 100mA 650 kHz Surface Mount MSOP 10 - 3 x 3 x 0.95mm 0.95mm 3mm 3.6 V +125 °C 3.3 V 1.8 V
RS-stocknr. 821-1227
FabrikantnummerTC7662BEOA713
FabrikantMicrochip
€ 1,518
Each (On a Reel of 3300)
Aantal stuks
Charge Pump 20mA 35 kHz Surface Mount SOIC 8 - 5 x 3.99 x 1.5mm 1.5mm 5mm 15 V +85 °C -15 V 1.5 V
RS-stocknr. 912-6993
FabrikantnummerTCM828ECT713
FabrikantMicrochip
€ 0,33
Each (On a Reel of 3000)
Aantal stuks
Voltage 25mA 12 kHz Surface Mount SOT-23 5 1.5 → 5.5 V 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm 5.5 V +85 °C 6 V 1.5 V
RS-stocknr. 144-5828
FabrikantnummerTC7660EPA
FabrikantMicrochip
€ 0,576
Each (In a Tube of 60)
Aantal stuks
Inverting 20mA 10 kHz Through Hole PDIP 8 - 10.16 x 7.62 x 4.45mm 4.45mm 10.16mm 10 V +85 °C -10 V 1.5 V
RS-stocknr. 768-1473
FabrikantnummerTC1240AECHTR
FabrikantMicrochip
€ 0,658
Each (In a Pack of 10)
Aantal stuks
Voltage Doubler 50mA 125 kHz Surface Mount SOT-23 6 3.25 V 3.1 x 1.75 x 1.3mm 1.3mm 3.1mm 4 V +85 °C 11.6 V 2.5 V