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. 102-5723
Mfr. Part No.LMC7660IM/NOPB
$1.754
Each (In a Tube of 95)
units
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 Stock No. 921-5551
Mfr. Part No.ICL7660CPAZ
$2.75
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 10 V +70 °C -1.5 V 1.5 V
RS Stock No. 169-8352
Mfr. Part No.ICL7660SIPAZ
BrandIntersil
$2.26
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. 704-6707
Mfr. Part No.ICL7660SIPAZ
$2.75
Each
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. 145-6799
Mfr. Part No.LT1054CS8#PBF
$6.221
Each (In a Tube of 100)
units
Inverting 100mA 25 kHz Surface Mount SOIC 8 - - 1.498mm 5mm 15 V +100 °C - 3.5 V
RS Stock No. 921-5731
Mfr. Part No.ICL7660SIPAZ
$2.66
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 +85 °C -1.5 V, 22.8 V 1.5 V
RS Stock No. 779-8984
Mfr. Part No.LT1054CS8#PBF
$8.67
Each (In a Pack of 2)
units
Inverting 100mA 25 kHz Surface Mount SOIC 8 - - 1.498mm 5mm 15 V +100 °C - 3.5 V
RS Stock No. 851-6768
Mfr. Part No.LTC3260EMSE#PBF
$13.39
Each
units
Inverting 100mA 550 kHz Surface Mount MSOP 16 4.5 to 32 V 4.039 x 3 x 0.86mm 0.86mm 4.04mm 32 V +150 °C -32 V 4.5 V
RS Stock No. 145-1324
Mfr. Part No.LTC3260EMSE#PBF
$8.418
Each (In a Tube of 37)
units
Inverting 100mA 550 kHz Surface Mount MSOP 16 4.5 32 V 4.039 x 3 x 0.86mm 0.86mm 4.04mm 32 V +150 °C -32 V 4.5 V
RS Stock No. 165-2030
Mfr. Part No.TC962EPA
BrandMicrochip
$3.70
Each (In a Tube of 60)
units
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 Stock No. 662-4750
Mfr. Part No.LT1054IP
$5.06
Each (In a Pack of 5)
units
Inverting, Step Up - - Through Hole PDIP 8 - 9.81 x 6.35 x 4.57mm 4.57mm 9.81mm 15 V +85 °C - 3.5 V
RS Stock No. 922-2748
Mfr. Part No.LT1054IP
$4.30
Each (In a Tube of 50)
units
Inverting, Step Up - - Through Hole PDIP 8 - 9.81 x 6.35 x 4.57mm 4.57mm 9.81mm 15 V +85 °C - 3.5 V
RS Stock No. 774-7898
Mfr. Part No.TC962EPA
BrandMicrochip
$4.56
Each (In a Bag of 2)
units
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 Stock No. 921-5557
Mfr. Part No.ICL7660CBAZ
$2.75
Each (In a Pack of 5)
units
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 Stock No. 923-1402
Mfr. Part No.ICL7660CBAZ
$2.26
Each (In a Tube of 98)
units
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 Stock No. 526-975
Mfr. Part No.TPS60400DBVT
$0.20
Each (In a Pack of 5)
units
Inverting, Step Down, Step Up - - Surface Mount SOT-23 5 - 2.9 x 1.6 x 1.15mm 1.15mm 2.9mm 5.25 V +125 °C -1.6 V 1.8 V
RS Stock No. 917-5778
Mfr. Part No.MP9361DJ-LF-P
$2.38
Each (In a Pack of 5)
units
Charge Pump 110mA 1.6 MHz Surface Mount TSOT-23 6 3.7 V 3 x 1.7 x 0.9mm 0.9mm 3mm 5 V +85 °C 5.2 V 2.8 V
RS Stock No. 121-8407
Mfr. Part No.LT1054CP
$4.30
Each (In a Tube of 50)
units
Inverting, Step Up - - Through Hole PDIP 8 - 9.81 x 6.35 x 4.57mm 4.57mm 9.81mm 15 V +70 °C - 3.5 V
RS Stock No. 912-2944
Mfr. Part No.MCP1252-33X50I/MS
BrandMicrochip
$1.843
Each (In a Tube of 100)
units
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 Stock No. 403-715
Mfr. Part No.MCP1252-33X50I/MS
BrandMicrochip
$2.09
Each (In a Pack of 5)
units
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
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