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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Description Prix 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
Nouveau
N° de stock RS 197-7231
Référence fabricantLM2776DBVT
0,656 €
Each (On a Reel of 250)
Unité
- 200mA 2.3 MHz Surface Mount SOT-23 6 - - - - - - - -
N° de stock RS 190-0108
Référence fabricantICL7662CBD+
3,49 €
Each (In a Pack of 5)
Unité
Inverting 20mA 10 kHz Surface Mount SOIC 14 4.5 → 20 V 8.737 x 4.013 x 1.55mm 1.55mm 8.74mm 20 V +70 °C -4.5 V 4.5 V
N° de stock RS 774-7876
Référence fabricantTC7660EPA
MarqueMicrochip
0,70 €
Each (In a Bag of 5)
Unité
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
N° de stock RS 662-4093
Référence fabricantTPS60403DBVR
0,896 €
Each (In a Pack of 5)
Unité
Inverting - - 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
N° de stock RS 146-1288
Référence fabricantMAX1044CPA+
1,592 €
Each (In a Tube of 50)
Unité
Inverting 200µA 5 kHz Through Hole PDIP 8 30 V 9.91 x 7.87 x 4.45mm 4.45mm 9.91mm 200 V +70 °C 10 V -
N° de stock RS 779-8987
Référence fabricantLT1054IS8#PBF
9,64 €
Each
Unité
Inverting 100mA 25 kHz Surface Mount SOIC 8 - - 1.498mm 5mm 15 V +100 °C - 3.5 V
N° de stock RS 774-7400
Référence fabricantMCP1256-E/UN
MarqueMicrochip
1,31 €
Each (In a Bag of 5)
Unité
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
N° de stock RS 207-0281
Référence fabricantTC7660COA
MarqueMicrochip
0,71 €
Each
Unité
- - - Surface Mount SOIC 8 - 4.9 x 3.91 x 1.42mm 1.42mm 4.9mm - +70 °C 10 V -
N° de stock RS 190-0278
Référence fabricantMAX660ESA+
6,06 €
Each
Unité
Inverting, Step Up 100mA - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +85 °C - 1.5 V
N° de stock RS 190-0085
Référence fabricantICL7662CBA+
3,758 €
Each (In a Pack of 5)
Unité
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 20 V +70 °C -4.5 V 4.5 V
N° de stock RS 422-211
Référence fabricantTPS60243DGKT
1,41 €
Each (In a Pack of 5)
Unité
Step Up - - Surface Mount MSOP 8 - 3 x 3 x 0.97mm 0.97mm 3mm 5.5 V +85 °C - 1.8 V
N° de stock RS 146-0990
Référence fabricantMAX881REUB+
2,738 €
Each (In a Tube of 50)
Unité
Inverting - - Surface Mount μMAX 10 - 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm 5.5 V +85 °C -0.5 V 2.5 V
N° de stock RS 822-6792
Référence fabricantLTC3203EDD-1#PBF
4,265 €
Each (In a Pack of 2)
Unité
Step Up 500mA 1 MHz Surface Mount DFN 10 2.7 → 5.5 V 3 x 3 x 0.7mm 0.7mm 3mm 5.5 V +85 °C 4.5 V 2.7 V
N° de stock RS 526-763
Référence fabricantLT1054CP
2,758 €
Each (In a Pack of 5)
Unité
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
N° de stock RS 768-1473
Référence fabricantTC1240AECHTR
MarqueMicrochip
0,737 €
Each (In a Pack of 10)
Unité
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
N° de stock RS 822-9925
Référence fabricantLT1054IN8#PBF
8,28 €
Each
Unité
Bi-Polar, Monolithic 100mA 40 kHz Through Hole PDIP 8 3.5 → 15 V 10.16 x 6.477 x 3.302mm 3.302mm 10.16mm 15 V +100 °C 15 V 3.5 V
N° de stock RS 162-4398
Référence fabricantTPS60122PWP
1,359 €
Each (In a Tube of 70)
Unité
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
N° de stock RS 732-7642
Référence fabricantICL7662CPA+
4,56 €
Each
Unité
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
N° de stock RS 121-8416
Référence fabricantTPS60400DBVT
0,566 €
Each (On a Reel of 250)
Unité
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
N° de stock RS 824-6778
Référence fabricantLM2660MM/NOPB
1,404 €
Each (In a Pack of 5)
Unité
Inverting 100mA 80 kHz Surface Mount VSSOP 8 1.5 → 5.5 V 3.1 x 3.1 x 0.95mm 0.95mm 3.1mm 5.5 V +85 °C 5 V 1.5 V