MAX864
MAX864
PRODUCTIONDual-Output Charge Pump with Shutdown
Generates Bipolar Outputs
- Part Models
- 2
- 1ku List Price
- Starting From $2.62
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Overview
- Requires Only Four Capacitors
- Dual Outputs (Positive and Negative)
- Low Input Voltages: +1.75V to +6.0V
- 1µA Logic-Controlled Shutdown
- Selectable Frequencies Allow Optimization of Capacitor Size and Supply Current
The MAX864 CMOS, charge-pump, DC-DC voltage converter produces a positive and a negative output from a single positive input, and requires only four capacitors. The charge pump first doubles the input voltage, then inverts the doubled voltage. The input voltage ranges from +1.75V to +6.0V.
The internal oscillator can be pin-programmed from 7kHz to 185kHz, allowing the quiescent current, capacitor size, and switching frequency to be optimized. The 55Ω output impedance permits useful output currents up to 20mA. The MAX864 also has a 1µA logic-controlled shutdown.
The MAX864 comes in a 16-pin QSOP package that uses the same board area as a standard 8-pin SOIC. For more space-sensitive applications, the MAX865 is available in an 8-pin µMAX® package, which uses half the board area of the MAX864.
Applications
- Data Acquisition
- LCD Panels
- Low-Cost Split Supply for Low-Voltage
- Low-Voltage GaAsFET Bias in Wireless Handsets
- Split Supply for Analog Circuitry
- Split Supply from 2 to 4 Ni Cells or 1 Li+ Cell
- VCO and GaAsFET Supplies
Documentation
Data Sheet 1
Technical Articles 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| MAX864EEE+ | QSOP | ||
| MAX864EEE+T | QSOP |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Request a Driver/SoftwareHardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Charge Pumps 1 | ||
| MAX865 | PRODUCTION | Compact, Dual-Output Charge Pump |
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