Description:Input voltage range:
– 2.5 V to 24 V (30 V max for new chip only)
• Available output voltage options:
– Fixed: 1.8 V to 5 V
• Output current: Up to 150 mA
• Very low IQ: 3.4 μA at 100-mA load current
• Stable with output capacitor ≥ 0.47 μF
• Overcurrent protection
• Package: 5-pin SOT-23 (DBV)
• Operating junction temperature: –40°C to +125°C
Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general best practices for LDO regulator layout, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
To ensure stability, it's essential to use the recommended output capacitor value and type, as specified in the datasheet. Additionally, the input capacitor should be selected based on the input voltage and current requirements. It's also important to consider the PCB layout and minimize parasitic inductance and capacitance.
While the datasheet specifies a maximum input voltage of 15V, it's recommended to derate the input voltage to 12V or lower to ensure reliable operation and minimize the risk of damage or failure.
The TLV70450DBVRM3 is rated for operation up to 125°C, but it's essential to consider the thermal design and ensure that the device is properly heat-sinked to prevent overheating. Additionally, the output voltage and current capabilities may be derated at higher temperatures.
The power dissipation of the TLV70450DBVRM3 can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. It's essential to consider the thermal design and ensure that the device is properly heat-sinked to prevent overheating.
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TLV70450DBVRM3 Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
