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TPS70345PWP
+BOMIC REG LINEAR 3.3V/1.2V 24HTSSOP
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ManufacturerTexas Instruments
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Mfr. Part #TPS70345PWP
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Datasheet TPS70345PWP DataSheet
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Package HTSSOP (PWP)-24
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In Stock6449
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Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 2 |
| Voltage-Input(Max) | 6V |
| Voltage-Output(Min/Fixed) | 3.3V, 1.2V |
| VoltageDropout(Max) | 0.26V @ 1A, - |
| Current-Output | 1A, 2A |
| Current-Quiescent(Iq) | 250 µA |
| ControlFeatures | Enable, Power Good, Reset, Sequencing |
| ProtectionFeatures | Over Current, Over Temperature, Reverse Polarity, Under Voltage Lockout (UVLO) |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 24-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Overview
Description
Key features include a fast transient response, low noise, and a high power-supply rejection ratio (PSRR), which are crucial for maintaining stability and performance in sensitive electronic circuits. The TPS70345PWP also includes a power-up sequencing capability, enabling controlled startup of connected devices, along with overcurrent and thermal protection to enhance reliability.
The package type is PowerPad™ TSSOP (PWP), which helps improve thermal performance. This device is commonly used in applications such as telecommunications, computing, and consumer electronics where multiple voltage rails are required with minimal space and power loss.
Equivalent
1. TPS70347 - Another variant in the same series with different output voltage options.
2. LT1763 - A similar LDO regulator by Analog Devices.
3. MIC29302 - A high current, low-dropout regulator by Microchip Technology.
4. LM317 - A versatile, adjustable three-terminal voltage regulator by Texas Instruments.
Always compare datasheets to ensure compatibility with your specific requirements.
Features
1. Dual Outputs: It provides two regulated output voltages, which are ideal for powering microcontrollers, DSPs, and other devices in a system.
2. Adjustable Output: The voltage outputs are adjustable, allowing flexibility in various applications.
3. Low Dropout Voltage: It features a low dropout voltage, which enhances efficiency and performance, especially in battery-powered devices.
4. High PSRR: The device offers a high Power Supply Rejection Ratio (PSRR), ensuring stable output even with fluctuating input voltages.
5. Load Transient Response: It provides excellent transient response to changes in load, maintaining stable output.
6. Thermal Protection: Built-in thermal shutdown protects the device in case of overheating.
7. Current Limiting: Features current limiting to protect the device under overcurrent conditions.
8. Package: Available in a PowerPAD package, which improves thermal performance.
These features make the TPS70345PWP suitable for a variety of applications, including consumer electronics, industrial equipment, and communication devices.
Pinout
Key functions of the TPS70345PWP include:
1. Dual LDO Voltage Regulation: Provides two independent output voltages.
2. Power-Up Sequencing: Ensures proper power-up of devices by sequencing the dual outputs.
3. Low-Dropout Voltage: Enables efficient power regulation with minimal voltage difference between input and output.
4. Power-Good Signals: Indicate when the output voltage is within a specified range.
5. Thermal and Overcurrent Protection: Protects the device from damage due to excessive heat or current.
These features make the TPS70345PWP suitable for powering microcontrollers, DSPs, and other digital processors in applications requiring reliable and efficient power management.
Manufacturer
Application
1. Telecommunications - Powering sensitive communication equipment and infrastructures.
2. Industrial Automation - Supporting regulated power for sensors, controllers, and other automation components.
3. Networking Equipment - Providing stable power to routers, switches, and networking peripherals.
4. Consumer Electronics - Used in devices requiring efficient power management, such as set-top boxes and audio/video equipment.
5. Embedded Systems - Ideal for microcontrollers and other on-board power regulation in complex electronics.
The TPS70345PWP ensures reliable operation with features like dual outputs, low dropout voltage, and overcurrent protection, making it suitable for a broad range of power-sensitive applications.