사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Ratiometric |
| Output Configuration | Positive |
| Topology | Charge Pump |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2Vin, Vin/2 |
| Current - Output | 40mA |
| Frequency - Switching | 80kHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TJ) |
| Mounting Type | Surface Mount |
개요
Description
The LM2665M6/NOPB is a switched-capacitor voltage converter produced by Texas Instruments. It is designed to invert input voltages to negative outputs, effectively doubling the voltage in magnitude but reversing its polarity. This device operates within an input voltage range of 1.5V to 5.5V and is capable of delivering up to 100mA of output current. The LM2665M6/NOPB is characterized by its high efficiency, typically above 90%, and its low quiescent current draw, making it suitable for battery-powered applications.
The device is packaged in a compact SOT-23-6 package, enhancing its utility in space-constrained applications. It features a shutdown mode that reduces the current consumption to a minimal level, allowing for power-saving during periods of inactivity. The LM2665M6/NOPB is often utilized in applications such as operational amplifier power supplies, interface power supplies for data acquisition systems, and in portable electronic devices where negative voltage rails are required. Its ease of implementation and reliability make it a popular choice in both consumer and industrial electronic circuits.
The device is packaged in a compact SOT-23-6 package, enhancing its utility in space-constrained applications. It features a shutdown mode that reduces the current consumption to a minimal level, allowing for power-saving during periods of inactivity. The LM2665M6/NOPB is often utilized in applications such as operational amplifier power supplies, interface power supplies for data acquisition systems, and in portable electronic devices where negative voltage rails are required. Its ease of implementation and reliability make it a popular choice in both consumer and industrial electronic circuits.
Equivalent
The LM2665M6/NOPB is a switched-capacitor voltage converter from Texas Instruments. Equivalent products include the MAX1682 from Maxim Integrated, the MIC2665 from Microchip Technology, and the TPS60100 from Texas Instruments. These devices perform similar functions, such as voltage inversion or doubling, within the same general voltage and current range. Always ensure that the equivalent meets the specific requirements of your application, such as voltage, current, and efficiency.
Features
The LM2665M6/NOPB is a switched capacitor voltage converter from Texas Instruments. It is designed to invert or double an input voltage with efficient power transfer. Here are some key features:
1. Voltage Range: Operates with an input voltage range from 1.5V to 5.5V, making it suitable for battery-powered applications.
2. Output Options: Can be configured to provide either negative voltage output or doubled positive voltage.
3. Efficiency: Offers high efficiency due to its charge pump design, with typical efficiencies around 90%.
4. Low Quiescent Current: Consumes minimal power in standby mode, extending battery life.
5. Compact Package: Available in a small SOT-23 package, which is ideal for space-constrained applications.
6. Minimal External Components: Requires only a few external capacitors, simplifying circuit design.
7. Temperature Range: Operates over a wide temperature range from -40°C to 85°C.
8. Protection Features: Includes built-in protection mechanisms to prevent damage from conditions like short-circuiting.
These features make the LM2665M6/NOPB suitable for applications where compact, efficient voltage conversion is needed.
1. Voltage Range: Operates with an input voltage range from 1.5V to 5.5V, making it suitable for battery-powered applications.
2. Output Options: Can be configured to provide either negative voltage output or doubled positive voltage.
3. Efficiency: Offers high efficiency due to its charge pump design, with typical efficiencies around 90%.
4. Low Quiescent Current: Consumes minimal power in standby mode, extending battery life.
5. Compact Package: Available in a small SOT-23 package, which is ideal for space-constrained applications.
6. Minimal External Components: Requires only a few external capacitors, simplifying circuit design.
7. Temperature Range: Operates over a wide temperature range from -40°C to 85°C.
8. Protection Features: Includes built-in protection mechanisms to prevent damage from conditions like short-circuiting.
These features make the LM2665M6/NOPB suitable for applications where compact, efficient voltage conversion is needed.
Pinout
The LM2665M6/NOPB is a charge-pump voltage inverter integrated circuit (IC) produced by Texas Instruments. It is designed to invert input voltages in a compact and efficient manner.
The device comes in a small 6-pin SOT-23 package. Here is a brief overview of its pin functions:
1. Pin 1 (OUT): This is the output pin where the inverted voltage is available.
2. Pin 2 (CAP+ or C1+): Connect a capacitor here to assist in the charge-pump operation.
3. Pin 3 (GND): Ground pin for the device.
4. Pin 4 (CAP- or C1-): Connect this to the other end of the capacitor used in the charge-pump operation.
5. Pin 5 (LV): Low Voltage Pin. Used for logic-level control and enables low-voltage operation.
6. Pin 6 (V+ or VCC): Connects to the positive input voltage that needs to be inverted.
The LM2665 is typically used in applications requiring negative voltage outputs, such as powering analog circuits, or where a negative rail is needed from a positive supply.
The device comes in a small 6-pin SOT-23 package. Here is a brief overview of its pin functions:
1. Pin 1 (OUT): This is the output pin where the inverted voltage is available.
2. Pin 2 (CAP+ or C1+): Connect a capacitor here to assist in the charge-pump operation.
3. Pin 3 (GND): Ground pin for the device.
4. Pin 4 (CAP- or C1-): Connect this to the other end of the capacitor used in the charge-pump operation.
5. Pin 5 (LV): Low Voltage Pin. Used for logic-level control and enables low-voltage operation.
6. Pin 6 (V+ or VCC): Connects to the positive input voltage that needs to be inverted.
The LM2665 is typically used in applications requiring negative voltage outputs, such as powering analog circuits, or where a negative rail is needed from a positive supply.
Manufacturer
The LM2665M6/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic products and components. The company is well-known for producing analog chips, embedded processors, and other semiconductor solutions used in various applications, including consumer electronics, automotive, industrial, and communication equipment. TI is recognized for its innovation and contributions to the electronics industry, providing products that enable advancements in technology and improve everyday life.
Application
The LM2665M6/NOPB is a switched capacitor voltage converter commonly used in applications requiring voltage inversion or doubling. Key application areas include:
1. Portable Electronics: Provides efficient power conversion for battery-operated devices.
2. LCD Biasing: Generates necessary voltages for LCD displays.
3. Data Communication Equipment: Offers voltage conversion solutions in modems, routers, and networking devices.
4. Sensor Power Supplies: Provides stable voltages for various sensor types.
5. Op-Amp Circuitry: Supplies negative voltage rails for operational amplifiers.
6. Battery-Powered Devices: Enhances battery life by optimizing power usage.
These applications benefit from the LM2665's ability to deliver efficient, compact, and reliable voltage conversion solutions.
1. Portable Electronics: Provides efficient power conversion for battery-operated devices.
2. LCD Biasing: Generates necessary voltages for LCD displays.
3. Data Communication Equipment: Offers voltage conversion solutions in modems, routers, and networking devices.
4. Sensor Power Supplies: Provides stable voltages for various sensor types.
5. Op-Amp Circuitry: Supplies negative voltage rails for operational amplifiers.
6. Battery-Powered Devices: Enhances battery life by optimizing power usage.
These applications benefit from the LM2665's ability to deliver efficient, compact, and reliable voltage conversion solutions.
Package
The LM2665M6/NOPB is packaged in a SOT-23-6 package, which is a small outline, surface-mount technology package with six leads.
