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庫存編號 772-8792
製造零件編號MCP1259-E/MF
BrandMicrochip
HK$13.208
毎管:5 個
單位
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庫存編號 921-5551
製造零件編號ICL7660CPAZ
HK$14.81
/個 (每包:5個)
單位
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庫存編號 732-7113
製造零件編號MAX829EUK+T
HK$42.23
單位
Inverting 50mA 35 kHz Surface Mount SOT-23 5 1 V 3 x 1.75 x 1.3mm 1.3mm 3mm 5.5 V +85 °C -1.5 V 1.25 V
RS庫存編號 738-6266
製造零件編號TC7662AEPA
BrandMicrochip
HK$31.37
單位
Inverting 40mA 12 kHz Through Hole PDIP 8 - 10.16 x 6.6 x 4.06mm 4.06mm 10.16mm 18 V +85 °C - 3 V
RS庫存編號 121-6502
製造零件編號MAX1720EUTG
HK$2.13
個 (在毎卷:3000)
單位
Charge Pump, Inverting 100mA 21 kHz Surface Mount TSOP 6 1.15 → 6 V 3.1 x 1.7 x 1mm 1mm 3.1mm 6 V +85 °C 0.3 V 1.5 V
RS庫存編號 540-4687
製造零件編號MAX860ISA+
HK$29.53
單位
Inverting, Step Up 60mA 6 kHz Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +85 °C -1.5 V, 11 V 1.5 V
RS庫存編號 779-8984
製造零件編號LT1054CS8#PBF
HK$57.72
/個 (每包:2個)
單位
Inverting 100mA 25 kHz Surface Mount SOIC 8 - - 1.498mm 5mm 15 V +100 °C - 3.5 V
RS庫存編號 145-5866
製造零件編號LTC3261EMSE#PBF
HK$39.40
毎管:37 個
單位
Inverting 100mA 550 kHz Surface Mount MSOP 12 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庫存編號 190-0085
製造零件編號ICL7662CBA+
HK$37.242
/個 (每包:5個)
單位
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
RS庫存編號 177-7319
製造零件編號LT1054LCS8#PBF
HK$31.045
毎管:100 個
單位
Inverting, Step Up 125mA 35 kHz Surface Mount SOIC 8 3.5 7 V 5.004 x 3.988 x 1.498mm 1.498mm 5mm 7 V +100 °C - 3.5 V
RS庫存編號 668-9191
製造零件編號ICL7660ACBAZA
HK$14.89
/個 (每包:5個)
單位
Inverting, Step Up - - Surface Mount SOIC 8 - 5 x 4 x 1.5mm 1.5mm 5mm 12 V +70 °C -1.5 V 1.5 V
RS庫存編號 403-705
製造零件編號MCP1253-ADJI/MS
BrandMicrochip
HK$11.72
/個 (每包:5個)
單位
Step Down, Step Up 120mA 1 MHz Surface Mount MSOP 8 - 3 x 3 x 0.85mm 0.85mm 3mm 5.5 V +85 °C 5.5 V 2 V
RS庫存編號 774-7400
製造零件編號MCP1256-E/UN
BrandMicrochip
HK$12.49
個 (以毎袋:5)
單位
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
RS庫存編號 713-9789
製造零件編號NJU7670V-TE1
HK$22.99
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 732-7153
製造零件編號MAX889TESA+
HK$39.56
單位
Inverting 250mA 2000 kHz Surface Mount SOIC 8 2.7 → 5.5 V 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +85 °C -2.5 V 2.7 V
RS庫存編號 504-4976
製造零件編號LM2665M6/NOPB
HK$6.751
/個 (每包:10個)
單位
Step Up - - Surface Mount SOT-23 6 - 2.92 x 1.6 x 1.02mm 1.02mm 2.92mm 5.5 V +85 °C 11 V 2.5 V
RS庫存編號 732-6854
製造零件編號MAX682ESA+
HK$45.62
單位
Step Down 300mA 2000 kHz Surface Mount SOIC 8 2.7 → 5.5 V 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V +85 °C 5.2 V 2.7 V
RS庫存編號 189-7016
製造零件編號MAX870EUK+T
HK$22.356
個 (在毎卷:2500)
單位
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庫存編號 704-6707
製造零件編號ICL7660SIPAZ
HK$15.34
單位
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庫存編號 422-211
製造零件編號TPS60243DGKT
HK$11.706
/個 (每包:5個)
單位
Step Up - - Surface Mount MSOP 8 - 3 x 3 x 0.97mm 0.97mm 3mm 5.5 V +85 °C - 1.8 V