規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.5V |
| Voltage-Input(Max) | 10V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin |
| Current-Output | 20mA |
| Frequency-Switching | 10kHz |
| SynchronousRectifier | No |
| OperatingTemperature | 0°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The TC7660COA is a voltage converter integrated circuit (IC) designed to invert input voltages. It's commonly used in applications requiring a negative supply from a single positive input voltage. The IC operates with input voltages ranging from 1.5V to 10V and can deliver output currents up to 20mA, making it suitable for low-power applications.
Key features of the TC7660COA include low power consumption, a typical efficiency of 98%, and the ability to operate over a wide temperature range. The IC uses a charge-pump technology to achieve voltage inversion, and it requires only two external capacitors for basic operation, minimizing the need for additional components.
The TC7660COA is known for its simplicity, reliability, and small footprint, which makes it ideal for battery-powered devices, LCD biasing, and microcontroller-based systems where a negative voltage is needed. It is often used in consumer electronics, instrumentation, and communication devices.
Key features of the TC7660COA include low power consumption, a typical efficiency of 98%, and the ability to operate over a wide temperature range. The IC uses a charge-pump technology to achieve voltage inversion, and it requires only two external capacitors for basic operation, minimizing the need for additional components.
The TC7660COA is known for its simplicity, reliability, and small footprint, which makes it ideal for battery-powered devices, LCD biasing, and microcontroller-based systems where a negative voltage is needed. It is often used in consumer electronics, instrumentation, and communication devices.
Equivalent
The TC7660COA is a charge pump voltage converter. Equivalent products include the ICL7660, MAX660, LT1054, and LM2660. These ICs are typically used for voltage inversion or doubling in low-power applications. It's important to verify specific parameters and pin configurations to ensure compatibility with your design.
Features
The TC7660COA is a CMOS charge pump voltage converter that is primarily used to invert the input voltage. Here are its key features:
1. Voltage Range: Operates over a wide input voltage range of 1.5V to 10V.
2. Efficiency: High efficiency, typically up to 98%, with low power consumption.
3. Conversion: Capable of converting a positive input voltage to a negative output voltage.
4. Output Current: Provides an output current of up to 20mA.
5. Compact Design: Available in an 8-pin DIP or SOIC package, making it suitable for space-constrained applications.
6. No Inductors: Does not require inductors, simplifying the design and reducing the component count.
7. Low Quiescent Current: Has a low quiescent current, typically 80µA, which helps in battery-powered applications.
8. Wide Temperature Range: Operates over a temperature range of -40°C to +85°C, suitable for various environments.
9. Ease of Use: Requires only two external capacitors for operation, simplifying integration into circuits.
These features make the TC7660COA a versatile solution for applications that need efficient voltage inversion with minimal external components.
1. Voltage Range: Operates over a wide input voltage range of 1.5V to 10V.
2. Efficiency: High efficiency, typically up to 98%, with low power consumption.
3. Conversion: Capable of converting a positive input voltage to a negative output voltage.
4. Output Current: Provides an output current of up to 20mA.
5. Compact Design: Available in an 8-pin DIP or SOIC package, making it suitable for space-constrained applications.
6. No Inductors: Does not require inductors, simplifying the design and reducing the component count.
7. Low Quiescent Current: Has a low quiescent current, typically 80µA, which helps in battery-powered applications.
8. Wide Temperature Range: Operates over a temperature range of -40°C to +85°C, suitable for various environments.
9. Ease of Use: Requires only two external capacitors for operation, simplifying integration into circuits.
These features make the TC7660COA a versatile solution for applications that need efficient voltage inversion with minimal external components.
Pinout
The TC7660COA is an 8-pin device primarily used as a charge pump voltage converter. It is designed to invert input voltages in the range of 1.5V to 10V, making it useful for applications requiring a negative supply voltage derived from a positive input.
Here’s a concise rundown of its pin functions:
1. V+: Positive supply voltage input.
2. CAP+: Positive terminal for the charge pump capacitor.
3. GND: Ground pin.
4. CAP-: Negative terminal for the charge pump capacitor.
5. VOUT: Output voltage, which is the inverted input voltage.
6. LV: Low-voltage operation pin, which enhances efficiency at lower voltages.
7. OSC: Oscillator control input. This pin can be used to modify the oscillator frequency.
8. NC: No connection (not internally connected).
The TC7660COA is often used in applications where a simple and efficient voltage inversion is needed, providing a compact and cost-effective solution in various electronic circuits.
Here’s a concise rundown of its pin functions:
1. V+: Positive supply voltage input.
2. CAP+: Positive terminal for the charge pump capacitor.
3. GND: Ground pin.
4. CAP-: Negative terminal for the charge pump capacitor.
5. VOUT: Output voltage, which is the inverted input voltage.
6. LV: Low-voltage operation pin, which enhances efficiency at lower voltages.
7. OSC: Oscillator control input. This pin can be used to modify the oscillator frequency.
8. NC: No connection (not internally connected).
The TC7660COA is often used in applications where a simple and efficient voltage inversion is needed, providing a compact and cost-effective solution in various electronic circuits.
Manufacturer
The TC7660COA is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that designs and produces microcontrollers, mixed-signal, analog, and Flash-IP integrated circuits. The company is known for providing solutions for a wide range of applications, including automotive, industrial, consumer, and computing markets. Microchip is particularly recognized for its expertise in microcontroller and analog product development, offering a variety of embedded control solutions.
Application
The TC7660COA is a DC-DC voltage converter primarily used for applications requiring voltage inversion. It is commonly utilized in systems where a negative voltage supply is needed, such as in operational amplifier circuits, sensor interfaces, and battery-powered devices. Additionally, it is used in data communication equipment, portable instrumentation, and industrial control systems. The chip is valued for its ability to convert a positive input voltage to a negative output voltage efficiently, supporting low power consumption and compact designs in electronic applications.
Package
The TC7660COA is typically packaged in an 8-pin Dual In-line Package (DIP). It is a CMOS voltage converter integrated circuit, commonly used for voltage inverting or doubling applications.
