規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Function | Ratiometric |
| Output Configuration | Positive or Negative |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 1.5V |
| Voltage - Input (Max) | 10V |
| Voltage - Output (Min/Fixed) | -Vin, 2Vin |
| Frequency - Switching | 10kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The TL7660CDGKR is a switched-capacitor voltage converter integrated circuit designed by Texas Instruments. It is primarily used to invert input voltage, effectively converting a positive input voltage to a negative output voltage. This makes it useful for applications requiring a dual power supply, such as operational amplifiers or analog circuits.
Operating with input voltages ranging from 1.5V to 10V, the TL7660CDGKR can deliver output voltages as low as -10V, making it versatile for low-power applications. The device features low quiescent current, maintaining efficiency even at low power consumption levels. Its design includes an internal oscillator with a frequency of approximately 10 kHz, though this can be adjusted with external components for specific requirements.
The IC comes in a compact SOT-23 package, making it suitable for space-constrained applications. Additional features include a low output resistance, typically around 70 ohms, and the ability to handle capacitive loads effectively, providing stable and reliable performance in various electronic applications.
Operating with input voltages ranging from 1.5V to 10V, the TL7660CDGKR can deliver output voltages as low as -10V, making it versatile for low-power applications. The device features low quiescent current, maintaining efficiency even at low power consumption levels. Its design includes an internal oscillator with a frequency of approximately 10 kHz, though this can be adjusted with external components for specific requirements.
The IC comes in a compact SOT-23 package, making it suitable for space-constrained applications. Additional features include a low output resistance, typically around 70 ohms, and the ability to handle capacitive loads effectively, providing stable and reliable performance in various electronic applications.
Equivalent
The TL7660CDGKR is a switched-capacitor voltage converter. Equivalent products include:
1. ICL7660 or ICL7660A from Intersil/Renesas
2. MAX1044 from Maxim Integrated/Analog Devices
3. LT1054 from Linear Technology/Analog Devices
4. TC7660 from Microchip Technology
These chips perform similar functions of inverting or doubling input voltage using charge pump techniques. Always verify specific electrical and thermal characteristics to ensure compatibility with your application.
1. ICL7660 or ICL7660A from Intersil/Renesas
2. MAX1044 from Maxim Integrated/Analog Devices
3. LT1054 from Linear Technology/Analog Devices
4. TC7660 from Microchip Technology
These chips perform similar functions of inverting or doubling input voltage using charge pump techniques. Always verify specific electrical and thermal characteristics to ensure compatibility with your application.
Features
The TL7660CDGKR is a charge pump voltage converter designed to invert input voltages ranging from 1.5 V to 10 V, making it suitable for creating negative voltage outputs from a positive voltage source. Key features of this device include:
1. Low Power Consumption: Efficient operation with low quiescent current.
2. Wide Input Voltage Range: Operates effectively across a broad input range, enhancing versatility.
3. Maximum Output Current: Typically delivers up to 100 mA, depending on the input voltage and external components.
4. High Efficiency: Achieves high power conversion efficiency, enhancing battery life in portable applications.
5. Compact Size: Available in a small SOT-23 package, ideal for space-constrained designs.
6. Low Noise Output: Produces output with minimal voltage ripple and noise.
7. Easy Implementation: Requires few external components, simplifying circuit design.
8. Temperature Range: Operates reliably over a wide temperature range, typically from -40°C to 85°C.
These features make the TL7660CDGKR suitable for use in battery-powered devices, portable electronics, and other applications requiring efficient voltage inversion.
1. Low Power Consumption: Efficient operation with low quiescent current.
2. Wide Input Voltage Range: Operates effectively across a broad input range, enhancing versatility.
3. Maximum Output Current: Typically delivers up to 100 mA, depending on the input voltage and external components.
4. High Efficiency: Achieves high power conversion efficiency, enhancing battery life in portable applications.
5. Compact Size: Available in a small SOT-23 package, ideal for space-constrained designs.
6. Low Noise Output: Produces output with minimal voltage ripple and noise.
7. Easy Implementation: Requires few external components, simplifying circuit design.
8. Temperature Range: Operates reliably over a wide temperature range, typically from -40°C to 85°C.
These features make the TL7660CDGKR suitable for use in battery-powered devices, portable electronics, and other applications requiring efficient voltage inversion.
Pinout
The TL7660CDGKR is an integrated charge-pump voltage converter, primarily used to invert the input voltage. It comes in an 8-pin package. Here is a brief overview of its pin functions:
1. Pin 1 (V+): Positive supply voltage input.
2. Pin 2 (CAP+): Connect to the positive terminal of the charge-pump capacitor.
3. Pin 3 (GND): Ground reference point.
4. Pin 4 (CAP-): Connect to the negative terminal of the charge-pump capacitor.
5. Pin 5 (LV): Logic-level voltage pin, used to optimize performance at low voltages.
6. Pin 6 (VOUT): Negative voltage output.
7. Pin 7 (OSC): Optional external oscillator connection for frequency control (leave open if not used).
8. Pin 8 (NC): No connection.
This device is commonly used in applications requiring a simple and efficient way to generate a negative voltage from a positive supply, such as in dual-supply operational amplifier circuits or other analog applications.
1. Pin 1 (V+): Positive supply voltage input.
2. Pin 2 (CAP+): Connect to the positive terminal of the charge-pump capacitor.
3. Pin 3 (GND): Ground reference point.
4. Pin 4 (CAP-): Connect to the negative terminal of the charge-pump capacitor.
5. Pin 5 (LV): Logic-level voltage pin, used to optimize performance at low voltages.
6. Pin 6 (VOUT): Negative voltage output.
7. Pin 7 (OSC): Optional external oscillator connection for frequency control (leave open if not used).
8. Pin 8 (NC): No connection.
This device is commonly used in applications requiring a simple and efficient way to generate a negative voltage from a positive supply, such as in dual-supply operational amplifier circuits or other analog applications.
Manufacturer
The TL7660CDGKR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and is known for its analog chips and embedded processors, which are widely used in electronics equipment across various industries, including automotive, industrial, consumer electronics, and telecommunications. TI is headquartered in Dallas, Texas, and has operations globally.
Application
The TL7660CDGKR is a switched-capacitor voltage converter IC used primarily for voltage inversion or voltage doubling. Its key application areas include generating negative voltages in applications such as operational amplifier biasing, sensor signal conditioning, and powering negative voltage rails in analog circuits. It's also used in battery-powered devices, where efficient voltage conversion is essential. Additionally, the IC is suitable for low-power applications due to its low quiescent current, making it ideal for portable and compact electronic devices. Its compact size and efficiency make it a popular choice in consumer electronics, telecommunications, and industrial applications.
Package
The TL7660CDGKR is a charge pump voltage converter integrated circuit from Texas Instruments, packaged in an 8-pin VSSOP (also known as MSOP) package. This package type is compact and suitable for applications requiring space-saving components while providing good thermal performance.
