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. 412-585
FabrikantnummerADM660ARZ
FabrikantAnalog Devices
€ 4,452
Each (In a Pack of 5)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 7 V +85 °C 1.7 V, 14 V 1.5 V
RS-stocknr. 912-7211
FabrikantnummerADM660ARZ
FabrikantAnalog Devices
€ 3,303
Each (In a Tube of 98)
Aantal stuks
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 7 V +85 °C 1.7 V, 14 V 1.5 V
RS-stocknr. 158-4511
FabrikantnummerADM8660ANZ
FabrikantAnalog Devices
€ 2,917
Each (In a Tube of 50)
Aantal stuks
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-stocknr. 709-5232
FabrikantnummerADM8660ANZ
FabrikantAnalog Devices
€ 3,61
Each
Aantal stuks
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-stocknr. 145-5703
FabrikantnummerADM660ANZ
FabrikantAnalog Devices
€ 3,093
Each (In a Tube of 50)
Aantal stuks
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-stocknr. 850-7931
FabrikantnummerADM8828ARTZ-REEL7
FabrikantAnalog Devices
€ 1,834
Each (In a Pack of 5)
Aantal stuks
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-stocknr. 538-4072
FabrikantnummerADM660ANZ
FabrikantAnalog Devices
€ 3,97
Each
Aantal stuks
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-stocknr. 158-4513
FabrikantnummerADM8660ARZ
FabrikantAnalog Devices
€ 2,925
Each (In a Tube of 98)
Aantal stuks
Inverting - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 7 V +85 °C -1.5 V 1.5 V
RS-stocknr. 160-9936
FabrikantnummerADM8828ARTZ-REEL7
FabrikantAnalog Devices
€ 1,075
Each (On a Reel of 3000)
Aantal stuks
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-stocknr. 709-5241
FabrikantnummerADM8660ARZ
FabrikantAnalog Devices
€ 3,61
Each
Aantal stuks
Inverting - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 7 V +85 °C -1.5 V 1.5 V