Datasheet for ADM8828:
- Manufacturer Part Number : ADM8828
- Manufacturer : AD
- Description : Switched-Capacitor Voltage Inverter with Shutdown
- Series : ADM8828
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Inductorless (Charge Pump) DC/DC Converters
- Function : Unregulated Doubling/Inverting Charge Pumps
- Current Suggest : Production
- Status : Obsolete
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : ADM8828
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Inverts Input Supply Voltage
- 99% Voltage Conversion Efficiency
- 25 mA Output Current
- Shutdown Function
- Requires Only Two Capacitors
- 1 µF Capacitors
- 18 Ω Output Resistance
- +1.5 V to +5.5 V Input Range
- 600 µA Quiescent Current
- 20 nA Shutdown Current
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.
The ADM8828 also features a low power shutdown (SHDN) pin. This can be used to disable the device and reduce the quiescent current to 20 nA.
The ADM8828/ADM8829 is available in a 6-lead SOT-23 package.
Applications
- Handheld Instruments
- LCD Panels
- Cellular Phones
- PDAs
- Remote Data Acquisition
- Op Amp Power Supplies
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.