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Maxim > Solutions > Cellular Handsets

Charge Pumps

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF 60mA, SOT23 Inverting Charge Pump with Shutdown
MAX1697

EMI-Friendly Ultra-Small Charge Pump
QV  PDF SOT23, Switched-Capacitor Voltage Inverters with Shutdown
MAX1719, MAX1720, MAX1721

Smallest, High-Efficiency Bias for Small LCD/GaAsFET PA Bias: Small Cap Size, No Inductors and Low Supply Current
QV  PDF Switched-Capacitor Voltage Doublers
MAX1682, MAX1683

SOT23 Voltage Doubler Needs Only two External Caps; Ultra-Small LCD Supply for PDAs and Cell Phones
QV  PDF Regulated, Adjustable -2x Inverting Charge Pump
MAX868

Inductorless Regulated LCD Bias Generator
QV  PDF Switched-Capacitor Voltage Inverters
MAX870, MAX871

Compact, Inductorless, Low-Profile Inverter Fits 0.025 Sq. Inch , Biases GaAsFET PA



Key Specifications:   Charge Pumps
Part Number Topology VIN (min) (V) VIN (max) (V) Operating Current, ICC (max) (mA) Unadjusted VOUT (V) Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) IOUT (typ) (A) Operating Frequency (kHz) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX1682  Doubler
Unregulated
2 5.5 0.145 +2xVIN  -   -  0.045 12  -  SOT/5 9 -40 to +85
MAX1683  Doubler
Unregulated
2 5.5 0.31 +2xVIN  -   -  0.045 35  -  SOT/5 9 -40 to +85
MAX1697  Inverter
Unregulated
1.25 5.5 0.3 -VIN  -   -  0.06 250
Shutdown
SOT/6 9 -40 to +85
MAX1719  Inverter
Unregulated
1.5 5.5 0.65 -VIN  -   -  0.025 125
Shutdown
SOT/6 9 -40 to +85
MAX1720  Inverter
Unregulated
1.5 5.5 0.09 -VIN  -   -  0.025 12
Shutdown
SOT/6 9 -40 to +85
MAX1721  Inverter
Unregulated
1.5 5.5 0.65 -VIN  -   -  0.025 125
Shutdown
SOT/6 9 -40 to +85
MAX870  Inverter
Unregulated
1.4 5.5 1 -VIN  -   -  0.025 125  -  SOT/5 9 -40 to +85
MAX871  Inverter
Unregulated
1.4 5.5 3.8 -VIN  -   -  0.025 500  -  SOT/5 9 -40 to +85
MAX868  Inverter
Regulated
1.8 5.5 0.05 -2xVIN -2xVIN 0 0.03 450
Shutdown
µMAX/10 15 -40 to +85
See All Charge Pumps (51)


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