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. 145-9014
FabrikantnummerTC1044SEPA
FabrikantMicrochip
0,695 €
Each (In a Tube of 60)
Aantal stuks
Inverting 20mA 45 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 12 V +85 °C -12 V 1.5 V
RS-stocknr. 774-7636
FabrikantnummerTC1044SEPA
FabrikantMicrochip
0,86 €
Each (In a Bag of 5)
Aantal stuks
Inverting 20mA 45 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 12 V +85 °C -12 V 1.5 V
RS-stocknr. 921-5557
FabrikantnummerICL7660CBAZ
1,434 €
Each (In a Pack of 5)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 10 V +70 °C -1.5 V 1.5 V
RS-stocknr. 923-1402
FabrikantnummerICL7660CBAZ
1,218 €
Each (In a Tube of 98)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 10 V +70 °C -1.5 V 1.5 V
RS-stocknr. 536-0212
FabrikantnummerLMC7660IM/NOPB
1,10 €
Each (In a Pack of 5)
Aantal stuks
Inverting - - Surface Mount SOIC 8 - 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm 10 V +85 °C -1.5 V 1.5 V
RS-stocknr. 102-5723
FabrikantnummerLMC7660IM/NOPB
0,947 €
Each (In a Tube of 95)
Aantal stuks
Inverting - - Surface Mount SOIC 8 - 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm 10 V +85 °C -1.5 V 1.5 V
RS-stocknr. 170-0794
FabrikantnummerSC630ULTRT
FabrikantSemtech
0,539 €
Each (On a Reel of 3000)
Aantal stuks
Step Down, Step Up - - Surface Mount MLPD UT EP 8 - 2 x 2 x 0.55mm 0.55mm 2mm 5.5 V +85 °C - 2.9 V
RS-stocknr. 121-8323
FabrikantnummerMAX660M/NOPB
1,329 €
Each (In a Tube of 95)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm 5.5 V +85 °C -1.5 V 1.5 V
RS-stocknr. 165-9143
FabrikantnummerMAX662ACSA+
FabrikantMaxim
2,975 €
Each (In a Tube of 100)
Aantal stuks
Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +70 °C - 4.5 V
RS-stocknr. 691-0578
FabrikantnummerSC630ULTRT
FabrikantSemtech
1,294 €
Each (In a Pack of 5)
Aantal stuks
Step Down, Step Up - - Surface Mount MLPD UT EP 8 - 2 x 2 x 0.55mm 0.55mm 2mm 5.5 V +85 °C - 2.9 V
RS-stocknr. 622-8917
FabrikantnummerMAX662ACSA+
FabrikantMaxim
4,68 €
Each
Aantal stuks
Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +70 °C - 4.5 V
RS-stocknr. 158-0362
FabrikantnummerLTC3245IDE#PBF
FabrikantAnalog Devices
4,474 €
Each (In a Tube of 91)
Aantal stuks
Buck Boost 250mA 500 kHz Surface Mount DFN 12 12 V 4 x 3 x 0.7mm 0.7mm 4mm 38 V +125 °C 5 V 2.7 V
RS-stocknr. 668-9191
FabrikantnummerICL7660ACBAZA
1,542 €
Each (In a Pack of 5)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 12 V +70 °C -1.5 V 1.5 V
RS-stocknr. 884-7002
FabrikantnummerLTC3245IDE#PBF
FabrikantAnalog Devices
6,655 €
Each (In a Pack of 2)
Aantal stuks
Buck Boost 250mA 500 kHz Surface Mount DFN 12 12 V 4 x 3 x 0.7mm 0.7mm 4mm 38 V +125 °C 5 V 2.7 V
RS-stocknr. 761-7970
FabrikantnummerLT1026CS8#PBF
FabrikantAnalog Devices
4,83 €
Each
Aantal stuks
Inverting - - Surface Mount SOIC 8 - 5.004 x 3.988 x 1.752mm 1.752mm 5mm 10 V +70 °C 18 V 4 V
RS-stocknr. 177-7116
FabrikantnummerICL7660ACBAZA
1,304 €
Each (In a Tube of 98)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 12 V +70 °C -1.5 V 1.5 V
RS-stocknr. 165-9276
FabrikantnummerMAX889TESA+
FabrikantMaxim
3,547 €
Each (In a Tube of 100)
Aantal stuks
Inverting 250mA 2000 kHz Surface Mount SOIC 8 2.7 → 5.5 V 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +85 °C -2.5 V 2.7 V
RS-stocknr. 103-9930
FabrikantnummerICL7662CPA+
FabrikantMaxim
3,008 €
Each (In a Tube of 50)
Aantal stuks
Inverting 20mA 10 kHz Through Hole PDIP 8 4.5 → 20 V 10.033 x 6.35 x 3.302mm 3.302mm 10.033mm 20 V +70 °C -4.5 V 4.5 V
RS-stocknr. 732-7642
FabrikantnummerICL7662CPA+
FabrikantMaxim
3,44 €
Each
Aantal stuks
Inverting 20mA 10 kHz Through Hole PDIP 8 4.5 to 20 V 10.033 x 6.35 x 3.302mm 3.302mm 10.03mm 20 V +70 °C -4.5 V 4.5 V
RS-stocknr. 177-7251
FabrikantnummerLT1026CS8#PBF
FabrikantAnalog Devices
2,919 €
Each (In a Tube of 100)
Aantal stuks
Inverting - - Surface Mount SOIC 8 - 5.004 x 3.988 x 1.752mm 1.752mm 5mm 10 V +70 °C 18 V 4 V
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