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ADM8829:  Switched Capacitor Voltage Inverter

Product Details


The ADM8828/ADM8829 is a charge-pump voltage inverter which may be used to generate a negative supply from a positive input. Input voltages ranging from +1.5 V to +5.5 V can be inverted into a negative –1.5 V to –5.5 V output supply. This inverting scheme is ideal for generating a negative rail in single power-supply systems. Only two small external capacitors are needed for the charge pump. Output currents up to 25 mA with greater than 99% efficiency are achievable.

FEATURES and BENEFITS

  • Inverts Input Supply Voltage
  • 99% Voltage Conversion Efficiency
  • 25 mA Output Current
  • Shutdown Function
  • Requires Only Two Capacitors
  • 1 µF Capacitors
  • 18 V Output Resistance
  • +1.5 V to +5.5 V Input Range
  • 600 µA Quiescent Current
  • 20 nA Shutdown Current (ADM8828)

Functional Block Diagram for ADM8829

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Price, packaging, availability

ADM8829 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
ADM8829ARTZ-REEL Status: Production 6 ld SOT-23 6 Ind Reel, 10000 - $0.78 Y  Material Info PCN Purchase
ADM8829ARTZ-REEL7 Status: Production 6 ld SOT-23 6 Ind Reel, 3000 - $0.76 Y  Material Info PCN Purchase Sample
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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