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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Beskrivning Pris 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-artikelnummer 189-9991
Tillv. art.nrMAX1044EPA+
VarumärkeMaxim Integrated
22,542 kr
Each (In a Pack of 5)
Enheter
Inverting 200µA 5 kHz Through Hole PDIP 8 30 V 9.91 x 7.87 x 4.45mm 4.45mm 9.91mm 200 V +150 °C 10 V -
RS-artikelnummer 158-4511
Tillv. art.nrADM8660ANZ
VarumärkeAnalog Devices
31,144 kr
Each (In a Tube of 50)
Enheter
Inverting - - Through Hole PDIP 8 - 9.27 x 7.24 x 3.43mm 3.43mm 9.27mm 7 V +85 °C -1.5 V 1.5 V
RS-artikelnummer 761-7970
Tillv. art.nrLT1026CS8#PBF
VarumärkeAnalog Devices
49,94 kr
Each
Enheter
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-artikelnummer 190-0497
Tillv. art.nrMAX870EUK+T
VarumärkeMaxim Integrated
39,445 kr
Each (In a Pack of 2)
Enheter
Inverting 50mA 125 kHz Surface Mount SOT-23 5 1 V 3 x 3 x 1.3mm 1.3mm 3mm 5.5 V +85 °C -1.4 V 1.4 V
RS-artikelnummer 197-7231
Tillv. art.nrLM2776DBVT
VarumärkeTexas Instruments
6,029 kr
Each (On a Reel of 250)
Enheter
- 200mA 2.3 MHz Surface Mount SOT-23 6 - - - - - - - -
RS-artikelnummer 122-0078
Tillv. art.nrNCP1729SN35T1G
VarumärkeON Semiconductor
3,706 kr
Each (On a Reel of 3000)
Enheter
Inverting 100mA 35 kHz Surface Mount TSOP 6 - 3 x 1.5 x 0.94mm 0.94mm 3mm 5.5 V +150 °C -1.15 V 1.15 V
RS-artikelnummer 704-4482
Tillv. art.nrICL7660ACPAZ
16,42 kr
Each (In a Pack of 5)
Enheter
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-artikelnummer 165-9141
Tillv. art.nrMAX660CSA+
VarumärkeMaxim Integrated
35,491 kr
Each (In a Tube of 100)
Enheter
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +70 °C -1.5 V, 11 V 1.5 V
RS-artikelnummer 145-6645
Tillv. art.nrTPS60313DGS
VarumärkeTexas Instruments
8,478 kr
Each (In a Tube of 80)
Enheter
Step Up 40mA 900 kHz Surface Mount MSOP 10 0.9 → 18 V 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm 18 V +125 °C 3.27 V 0.9 V
RS-artikelnummer 851-6768
Tillv. art.nrLTC3260EMSE#PBF
VarumärkeAnalog Devices
74,34 kr
Each
Enheter
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-artikelnummer 681-1102
Tillv. art.nrTC7662ACPA
VarumärkeMicrochip
23,06 kr
Each
Enheter
Inverting 40mA 12 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 18 V +70 °C -3 V 3 V
RS-artikelnummer 460-588
Tillv. art.nrMAX660M/NOPB
VarumärkeTexas Instruments
16,11 kr
Each (In a Pack of 5)
Enheter
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-artikelnummer 464-186
Tillv. art.nrNCP1729SN35T1G
VarumärkeON Semiconductor
8,292 kr
Each (In a Pack of 5)
Enheter
Inverting 100mA 35 kHz Surface Mount TSOP 6 - 3 x 1.5 x 0.94mm 0.94mm 3mm 5.5 V +150 °C -1.15 V 1.15 V
RS-artikelnummer 162-4398
Tillv. art.nrTPS60122PWP
VarumärkeTexas Instruments
7,064 kr
Each (In a Tube of 70)
Enheter
Step Up - - Surface Mount HTSSOP 20 - 6.5 x 4.4 x 1.15mm 1.15mm 6.5mm 3.6 V +85 °C - 1.8 V
RS-artikelnummer 786-9724
Tillv. art.nrLTC1044CS8#PBF
VarumärkeAnalog Devices
49,94 kr
Each (In a Pack of 2)
Enheter
Inverting, Step Down/Step Up 200µA 5 kHz Surface Mount SOIC 8 5 V 5.004 x 3.988 x 1.498mm 1.498mm 5mm 9 V +85 °C 3.5 V, 5 V 1.5 V
RS-artikelnummer 160-9936
Tillv. art.nrADM8828ARTZ-REEL7
VarumärkeAnalog Devices
10,798 kr
Each (On a Reel of 3000)
Enheter
Voltage 50mA 190 kHz Surface Mount SOT-23 6 - 3.1 x 1.8 x 1.3mm 1.3mm 3.1mm 5.5 V +85 °C -5.5 V 1.5 V
RS-artikelnummer 772-8792
Tillv. art.nrMCP1259-E/MF
VarumärkeMicrochip
12,852 kr
Each (In a Tube of 5)
Enheter
Charge Pump 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-artikelnummer 145-5703
Tillv. art.nrADM660ANZ
VarumärkeAnalog Devices
35,106 kr
Each (In a Tube of 50)
Enheter
Inverting, Step Up - - Through Hole PDIP 8 - 9.27 x 7.24 x 3.43mm 3.43mm 9.27mm 7 V +85 °C 1.7 V, 14 V 1.5 V
RS-artikelnummer 732-6839
Tillv. art.nrMAX680ESA+
VarumärkeMaxim Integrated
48,80 kr
Each
Enheter
Inverting, Step Up 10mA 8 kHz Surface Mount SOIC 8 1.5 → 1.6 V 5 x 4 x 1.5mm 1.5mm 5mm 6 V +85 °C - 2 V
RS-artikelnummer 822-5954
Tillv. art.nrLTC3240EDC-3.3#TRMPBF
VarumärkeAnalog Devices
36,035 kr
Each (In a Pack of 2)
Enheter
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
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