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The TD1501S50 is a fixed 5V step-down buck DC/DC converter manufactured by Techcode Semiconductor. It belongs to the TD1501 series, a family of fixed and adjustable switching voltage regulators designed for efficient DC voltage conversion.
The device can drive up to a 3A load, operates with a 150kHz fixed switching frequency, and supports a wide input voltage range. It is commonly used to convert a higher DC input voltage into a stable 5V output rail for embedded systems, industrial electronics, communication devices, consumer electronics, and general power supply circuits. Techcode’s datasheet describes the TD1501 series as easy-to-use fixed and adjustable step-down switch-mode voltage regulators capable of driving a 3A load with good line and load regulation.
|
Section |
Meaning |
|---|---|
|
TD |
Techcode power management product prefix |
|
1501 |
Buck switching regulator series |
|
S |
Package / version code |
|
50 |
Fixed 5.0V output version |
✔ Fixed 5V step-down buck regulator
✔ Up to 3A output current capability
✔ Wide input voltage range, commonly listed as 3.6V to 45V
✔ 150kHz fixed switching frequency
✔ Simple design with few external components
✔ Internal frequency compensation
✔ TO-263-5 power package
✔ Suitable for embedded, industrial, communication, and consumer power supplies
The TD1501S50 provides a fixed 5V regulated output, making it suitable for generating standard 5V power rails from higher DC input voltages.
Benefits include:
The TD1501 series is capable of driving up to a 3A load, making the TD1501S50 suitable for medium-power electronic systems.
Benefits include:
Distributor data lists the TD1501S50 with a 3.6V to 45V input voltage range, allowing it to be used in systems powered from higher DC rails.
Benefits include:
The TD1501S50 operates at a 150kHz switching frequency, which helps balance efficiency, EMI behavior, inductor size, and design simplicity.
Benefits include:
Techcode describes the TD1501 series as requiring a minimum number of external components, with internal frequency compensation and a fixed-frequency oscillator.
Benefits include:
The TD1501S50 is supplied in a TO-263-5 package, a power package suitable for surface-mount assembly and thermal dissipation.
Benefits include:
Suitable for:
Used to generate a stable 5V rail from higher-voltage DC inputs.
Used in:
The wide input voltage range makes it useful for 12V / 24V industrial power architectures.
Applicable to:
Provides efficient 5V power conversion for logic and peripheral circuits.
Suitable for:
Used for local 5V power rails, peripheral supply, and subsystem power conversion.
Can be used in:
The buck topology helps improve efficiency compared with linear regulators when stepping down from higher input voltages.
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