規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 5.25V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin, Vin/2 |
| Current-Output | 60mA |
| Frequency-Switching | 250kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
概述
Description
The TPS60403DBVT is a Texas Instruments device that functions as a DC/DC charge pump voltage inverter. It is designed to invert a positive input voltage to a corresponding negative output voltage. This device is part of the TPS6040x family, which offers efficient power conversion with low current consumption and minimal external components, making it suitable for battery-powered or portable applications.
Key features of the TPS60403DBVT include a fixed -5 V output voltage, a typical no-load current of 60 µA, and an input voltage range of 1.6 V to 5.5 V. It operates at a switching frequency of approximately 250 kHz, which allows for smaller capacitors and reduces overall solution size. The device is housed in a small SOT-23 package, making it ideal for compact designs. Additionally, it provides thermal shutdown protection and has a typical output current capability of 60 mA.
Overall, the TPS60403DBVT is suitable for applications requiring efficient negative voltage conversion, such as LCD biasing, data acquisition systems, and sensor power supplies.
Key features of the TPS60403DBVT include a fixed -5 V output voltage, a typical no-load current of 60 µA, and an input voltage range of 1.6 V to 5.5 V. It operates at a switching frequency of approximately 250 kHz, which allows for smaller capacitors and reduces overall solution size. The device is housed in a small SOT-23 package, making it ideal for compact designs. Additionally, it provides thermal shutdown protection and has a typical output current capability of 60 mA.
Overall, the TPS60403DBVT is suitable for applications requiring efficient negative voltage conversion, such as LCD biasing, data acquisition systems, and sensor power supplies.
Equivalent
The TPS60403DBVT is a charge pump voltage inverter from Texas Instruments. Equivalent products include:
1. MAX870 - A similar charge pump inverter from Maxim Integrated.
2. ADM8828 - An inverting charge pump from Analog Devices.
3. LM2664 - A voltage inverter from Texas Instruments with similar functionalities.
4. ICL7660 - A popular voltage inverter from Intersil/Maxim Integrated.
When choosing an equivalent, consider pin compatibility, output voltage, current capabilities, and switching frequency.
1. MAX870 - A similar charge pump inverter from Maxim Integrated.
2. ADM8828 - An inverting charge pump from Analog Devices.
3. LM2664 - A voltage inverter from Texas Instruments with similar functionalities.
4. ICL7660 - A popular voltage inverter from Intersil/Maxim Integrated.
When choosing an equivalent, consider pin compatibility, output voltage, current capabilities, and switching frequency.
Features
The TPS60403DBVT is a switched capacitor voltage inverter from Texas Instruments. Key features include:
1. Input Voltage Range: It operates effectively within a 1.6 V to 5.5 V input voltage range.
2. Output Voltage: The device inverts the input voltage, providing an output voltage of -Vin.
3. Output Current: It supports a maximum output current of up to 60 mA.
4. Efficiency: The device offers high efficiency, typically around 90% at low-to-moderate output currents.
5. Quiescent Current: It has a low quiescent current of approximately 60 µA, enhancing battery life in portable applications.
6. Shutdown Current: The shutdown current is minimal, around 1 µA.
7. Thermal Protection: Built-in thermal shutdown feature to prevent damage from overheating.
8. Compact Package: Available in a small SOT-23-5 package, making it suitable for space-constrained designs.
9. No Inductors Required: Utilizes charge pump technology to eliminate the need for inductors, simplifying design and reducing component count.
These features make it suitable for applications requiring negative voltage generation, such as LCD biasing and operational amplifier power supplies in battery-powered devices.
1. Input Voltage Range: It operates effectively within a 1.6 V to 5.5 V input voltage range.
2. Output Voltage: The device inverts the input voltage, providing an output voltage of -Vin.
3. Output Current: It supports a maximum output current of up to 60 mA.
4. Efficiency: The device offers high efficiency, typically around 90% at low-to-moderate output currents.
5. Quiescent Current: It has a low quiescent current of approximately 60 µA, enhancing battery life in portable applications.
6. Shutdown Current: The shutdown current is minimal, around 1 µA.
7. Thermal Protection: Built-in thermal shutdown feature to prevent damage from overheating.
8. Compact Package: Available in a small SOT-23-5 package, making it suitable for space-constrained designs.
9. No Inductors Required: Utilizes charge pump technology to eliminate the need for inductors, simplifying design and reducing component count.
These features make it suitable for applications requiring negative voltage generation, such as LCD biasing and operational amplifier power supplies in battery-powered devices.
Pinout
The TPS60403DBVT is a charge pump voltage inverter IC from Texas Instruments. It comes in a 6-pin SOT-23 package. The primary function of this device is to invert an input voltage, typically used to generate a negative output voltage from a positive input voltage, ideal for powering low-power negative voltage applications. The pins and their functions are as follows:
1. IN: Input voltage pin where the supply voltage is applied.
2. GND: Ground pin, reference point for the circuit.
3. OUT: Output pin where the inverted voltage is available.
4. CAP+: Positive terminal for the flying capacitor.
5. CAP-: Negative terminal for the flying capacitor.
6. EN: Enable pin used to enable or disable the device.
The TPS60403DBVT is often used in applications requiring compact solutions for generating negative voltages, such as operational amplifier supplies or LCD bias voltages.
1. IN: Input voltage pin where the supply voltage is applied.
2. GND: Ground pin, reference point for the circuit.
3. OUT: Output pin where the inverted voltage is available.
4. CAP+: Positive terminal for the flying capacitor.
5. CAP-: Negative terminal for the flying capacitor.
6. EN: Enable pin used to enable or disable the device.
The TPS60403DBVT is often used in applications requiring compact solutions for generating negative voltages, such as operational amplifier supplies or LCD bias voltages.
Manufacturer
The TPS60403DBVT is manufactured by Texas Instruments, a global semiconductor company. Texas Instruments is known for designing and producing a wide range of semiconductor products, including analog and embedded processing chips. The company serves various industries such as automotive, industrial, consumer electronics, communications, and enterprise systems. Texas Instruments focuses on innovation and technology development to provide solutions that enhance electronic systems and improve performance.
Application
The TPS60403DBVT is a charge pump voltage inverter, primarily used in applications requiring a negative voltage supply from a positive input. Key application areas include:
1. Portable Devices: Provides compact power solutions for devices like smartphones and tablets.
2. Battery-Powered Equipment: Suitable for applications requiring high efficiency and low quiescent current.
3. Sensor Systems: Supplies negative voltage for certain types of sensors and transducers.
4. Data Acquisition Systems: Used in analog-to-digital converters (ADCs) requiring dual power supplies.
5. Op-Amp Circuits: Provides negative voltage rail for operational amplifiers.
6. Industrial and Medical Equipment: Powers components that need negative biasing in these systems.
These applications benefit from the TPS60403DBVT's low noise and small form factor.
1. Portable Devices: Provides compact power solutions for devices like smartphones and tablets.
2. Battery-Powered Equipment: Suitable for applications requiring high efficiency and low quiescent current.
3. Sensor Systems: Supplies negative voltage for certain types of sensors and transducers.
4. Data Acquisition Systems: Used in analog-to-digital converters (ADCs) requiring dual power supplies.
5. Op-Amp Circuits: Provides negative voltage rail for operational amplifiers.
6. Industrial and Medical Equipment: Powers components that need negative biasing in these systems.
These applications benefit from the TPS60403DBVT's low noise and small form factor.
Package
The TPS60403DBVT is a Texas Instruments device packaged in a SOT-23-5 configuration. This small-outline transistor package features 5 leads and is commonly used for compact, surface-mount applications.
