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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
(V)
VIN
(V)
ICC
(mA)
Unadj. VOUT
(V)
Adj. VOUT
(V)
Adj. VOUT
(V)
IOUT
(A)
Oper. Freq.
(kHz)
Features Oper. Temp.
(°C)
Package/Pins Smallest Available Pckg.
(mm2)
min max max min max typ max w/pins
MAX1682 
Doubler
Unregulated
2 5.5 0.145 +2xVIN - - 0.045 12 - -40 to +85
SOT/5
9
MAX1683 
Doubler
Unregulated
2 0.31 +2xVIN - - 0.045 35 -
SOT/5
9
MAX1697 
Inverter
Unregulated
1.25 0.3 -VIN - - 0.06 250 Shutdown
SOT/6
9
MAX1719 
Inverter
Unregulated
1.5 0.65 -VIN - - 0.025 125 Shutdown
SOT/6
9
MAX1720 
Inverter
Unregulated
1.5 0.09 -VIN - - 0.025 12 Shutdown
SOT/6
9
MAX1721 
Inverter
Unregulated
1.5 0.65 -VIN - - 0.025 125 Shutdown
SOT/6
9
MAX870 
Inverter
Unregulated
1.4 1 -VIN - - 0.025 125 -
SOT/5
9
MAX871 
Inverter
Unregulated
1.4 3.8 -VIN - - 0.025 500 -
SOT/5
9
MAX868 
Inverter
Regulated
1.8 0.05 -2xVIN -2xVIN 0 0.03 450 Shutdown
µMAX/10
15.4
See All Charge Pumps (48)



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