Charge Pumps

Charge pumps are DC to DC converters that are often needed in designs requiring more than one dc supply voltage. Its 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. Theres 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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Description Price 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 Stock No. 769-5416
Mfr. Part No.SP6661EN-L
BrandEXAR
kr 15,055
Each (In a Pack of 2)
Units
Inverting, Voltage Doubler 200mA 1250 kHz Surface Mount SOIC 8 5 V 4.9 x 3.9 x 1.65mm 1.65mm 4.9mm 5.3 V +85 °C -5 V, 10 V 1.5 V
RS Stock No. 170-4505
Mfr. Part No.SP6661EN-L
BrandEXAR
kr 12,064
Each (In a Tube of 98)
Units
Inverting, Voltage Doubler 200mA 1250 kHz Surface Mount SOIC 8 5 V 4.9 x 3.9 x 1.65mm 1.65mm 4.9mm 5.3 V +85 °C -5 V, 10 V 1.5 V
RS Stock No. 165-9143
Mfr. Part No.MAX662ACSA+
kr 29,664
Each (In a Tube of 100)
Units
Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +70 °C - 4.5 V
RS Stock No. 761-8945
Mfr. Part No.LTC1144IS8#PBF
kr 61,61
Each
Units
Charge Pump, Regulated 4µA - Surface Mount SOIC 8 - 5.004 x 3.988 x 1.752mm 1.752mm 5mm 18 V +85 °C -18 V 2 V
RS Stock No. 923-1430
Mfr. Part No.ICL7660ACPAZ
kr 9,184
Each (In a Tube of 50)
Units
Inverting, Step Up - - Through Hole PDIP 8 - 10.16 x 7.11 x 4.95mm 4.95mm 10.16mm 12 V +70 °C -1.5 V 1.5 V
RS Stock No. 103-9930
Mfr. Part No.ICL7662CPA+
kr 29,986
Each (In a Tube of 50)
Units
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 Stock No. 545-5988
Mfr. Part No.LTC1044CN8#PBF
kr 34,99
Each
Units
Inverting, Step Down, Step Up - - Through Hole PDIP 8 - 10.16 x 6.48 x 3.3mm 3.3mm 10.16mm 9 V +85 °C -1.5 V, 4.5 V 1.5 V
RS Stock No. 177-7265
Mfr. Part No.LTC1144IS8#PBF
kr 55,442
Each (In a Tube of 100)
Units
Charge Pump, Regulated 4µA - Surface Mount SOIC 8 - 5.004 x 3.988 x 1.752mm 1.752mm 5mm 18 V +85 °C -18 V 2 V
RS Stock No. 622-8917
Mfr. Part No.MAX662ACSA+
kr 46,66
Each
Units
Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +70 °C - 4.5 V
RS Stock No. 704-4482
Mfr. Part No.ICL7660ACPAZ
kr 9,572
Each (In a Pack of 5)
Units
Inverting, Step Up - - Through Hole PDIP 8 - 10.16 x 7.11 x 4.95mm 4.95mm 10.16mm 12 V +70 °C -1.5 V 1.5 V
RS Stock No. 460-544
Mfr. Part No.LMC7660IN/NOPB
kr 9,431
Each (In a Pack of 10)
Units
Inverting - - Through Hole MDIP 8 - 9.27 x 6.35 x 3.3mm 3.3mm 9.27mm 10 V +85 °C -1.5 V 1.5 V
RS Stock No. 732-7642
Mfr. Part No.ICL7662CPA+
kr 34,30
Each
Units
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 Stock No. 145-6358
Mfr. Part No.LTC1044CN8#PBF
kr 25,922
Each (In a Tube of 50)
Units
Inverting, Step Down, Step Up - - Through Hole PDIP 8 - 10.16 x 6.48 x 3.3mm 3.3mm 10.16mm - +85 °C -1.5 V, 4.5 V -
RS Stock No. 921-5598
Mfr. Part No.ICL7660ACPAZ
kr 9,572
Each (In a Pack of 5)
Units
Inverting, Step Up - - Through Hole PDIP 8 - 10.16 x 7.11 x 4.95mm 4.95mm 10.16mm 12 V +70 °C -1.5 V 1.5 V
RS Stock No. 155-7516
Mfr. Part No.LTC3240EDC-3.3#TRMPBF
kr 21,309
Each (On a Reel of 500)
Units
Step Down 150mA 1.8 MHz Surface Mount DFN 6 1.8 5.5 V 2 x 2 x 0.7mm 0.7mm 2mm 5.5 V +85 °C 3.3 V 1.8 V
RS Stock No. 920-3624
Mfr. Part No.LM2662M/NOPB
kr 17,842
Each (In a Tube of 95)
Units
Inverting, Step Down, Step Up 200mA - 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 Stock No. 732-7153
Mfr. Part No.MAX889TESA+
kr 47,86
Each
Units
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 Stock No. 169-8352
Mfr. Part No.ICL7660SIPAZ
BrandIntersil
kr 12,732
Each (In a Tube of 50)
Units
Inverting, Step Up - - Through Hole PDIP 8 - 10.16 x 7.11 x 4.95mm 4.95mm 10.16mm 12 V +85 °C -1.5 V, 22.8 V 1.5 V
RS Stock No. 732-7135
Mfr. Part No.MAX868EUB+
kr 30,91
Each
Units
Inverting 35mA 450 kHz Surface Mount μMAX 10 1.8 → 5.5 V 3.15 x 3.15 x 0.94mm 0.94mm 3.15mm 5.5 V +85 °C -3.6 V 1.8 V
RS Stock No. 622-8923
Mfr. Part No.MAX662ACPA+
kr 42,27
Each
Units
Step Up - - Through Hole PDIP 8 - 9.91 x 7.87 x 4.45mm 4.45mm 9.91mm 5.5 V +70 °C - 4.5 V
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