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 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庫存編號 713-9789
製造零件編號NJU7670V-TE1
HK$18.55
單位
Step Up - - Surface Mount SSOP 14 - 5 x 4.4 x 1.15mm 1.15mm 5mm -2.6 V +75 °C - -6 V
RS庫存編號 169-8195
製造零件編號NJU7670V-TE1
HK$16.404
個 (在毎卷:2000)
單位
Step Up - - Surface Mount SSOP 14 - 5 x 4.4 x 1.15mm 1.15mm 5mm -2.6 V +75 °C - -6 V
RS庫存編號 169-8211
製造零件編號NJU7670M
HK$19.795
毎管:50 個
單位
Step Up - - Surface Mount DMP 14 - 10 x 5 x 1.6mm 1.6mm 10mm -2.6 V +75 °C - -6 V