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LM2664M6
+BOMIC REG CHARG PUMP INV 40MA SOT23
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ManufacturerTexas Instruments
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Mfr. Part #LM2664M6
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Package SOT-23 (DBV)-6
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In Stock3908
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Not For New Designs |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 40mA |
| Frequency-Switching | 80kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 85°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SOT-23-6 |
Overview
Description
This device is characterized by its low quiescent current and high efficiency, making it ideal for battery-powered applications. It requires only a few external components, such as capacitors, making it easy to implement in various designs. The LM2664M6 is commonly used in applications like LCD biasing, operational amplifier power supplies, and any systems requiring low-power negative voltage generation. Its simplicity and reliability make it a popular choice for designers looking to implement compact and efficient power solutions.
Equivalent
Features
1. Voltage Inversion: Converts a positive input voltage to a negative output voltage, typically used in applications where a negative supply rail is needed.
2. Input Voltage Range: Operates efficiently with input voltages ranging from 1.8V to 5.5V, suitable for battery-powered and low-voltage applications.
3. Output Current: Capable of supplying a maximum output current of around 100mA, depending on the input voltage and configuration.
4. Efficiency: Offers high efficiency due to its switched capacitor technology, minimizing power loss.
5. Low Quiescent Current: Features a low quiescent current of around 300µA, which extends battery life in portable applications.
6. Compact Package: Available in a small SOT-23 package, making it ideal for space-constrained designs.
7. Thermal Protection: Includes thermal shutdown protection to prevent damage from overheating.
These features make the LM2664M6 suitable for use in applications such as LCD bias supplies, operational amplifier power supplies, and other low-power, portable devices requiring a negative supply voltage.
Pinout
Here is a concise overview of its pin functions:
1. V+: Positive Supply Voltage Input. This pin connects to the positive side of the power supply.
2. GND: Ground. This pin serves as the ground reference for the IC.
3. C1+: Positive Terminal of the Flying Capacitor. It connects to the positive side of the capacitor used in the charge pump circuit.
4. C1-: Negative Terminal of the Flying Capacitor. It connects to the negative side of the capacitor used in the charge pump circuit.
5. LV: Low Voltage Pin. Used to optimize performance for low input voltages (optional connection).
6. VOUT: Output Voltage. Provides the inverted voltage output.
The LM2664M6 is designed for low-power applications, with a typical operating current in the microamp range, making it suitable for battery-powered devices.