TAEJIN LD39150GRS-ADJ
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.33 | $1.33 |
| 15+ | $0.30 | $4.50 |
| 25+ | $0.30 | $7.50 |
| 50+ | $0.28 | $14.00 |
| 100+ | $0.25 | $25.00 |
| N+ | $0.05 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | TAEJIN |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Output Configuration | Positive |
| Output Type | Adjustable |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 6V |
| Voltage - Output (Min/Fixed) | - |
| Voltage - Output (Max) | 5V |
| Voltage Dropout (Max) | 0.4V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 2.5 mA |
| Current - Supply (Max) | - |
| PSRR | 65dB ~ 55dB (120Hz ~ 1kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-252-6, DPAK (5 Leads + Tab) |
| Supplier Device Package | TO-252-5L |
The LD39150GRS-ADJ is a high-performance adjustable low dropout linear regulator capable of delivering up to 1.5A of output current. With a low dropout voltage of just 0.4V at full load, it ensures efficient operation even with tight input-to-output voltage margins. The device offers excellent ripple rejection of 65dB at 120Hz, making it ideal for noise-sensitive analog and digital circuits. Housed in a robust TO-252-5L package, it provides reliable thermal performance for demanding applications.
- High Current Capacity: Delivers up to 1.5A, suitable for powering FPGAs, microprocessors, and peripheral loads.
- Low Dropout Voltage: 0.4V @ 1.5A minimizes power dissipation and allows operation from lower input voltages, improving system efficiency.
- Excellent Ripple Rejection: 65dB PSRR at 120Hz effectively filters mains-frequency noise, ensuring clean output for sensitive analog circuits.
- Adjustable Output Flexibility: Output voltage set from 1.25V to 5V with external resistors, providing design versatility across multiple rail requirements.
Powering FPGA Core and I/O Rails
The adjustable output (1.25V to 5V) and 1.5A current capability make it ideal for powering FPGA core logic or I/O banks that require a precise, low-noise supply. The 65dB PSRR at 120Hz helps reject mains ripple.
Battery-Powered Portable Devices
With a low dropout of 0.4V, the LD39150GRS-ADJ efficiently regulates from a partially discharged Li-ion battery (e.g., 3.6V to 3.3V), extending usable battery life in handheld instruments.
Post-Regulation for Switching Converters
Use after a buck converter to provide a clean, low-ripple analog supply for op-amps, ADCs, or DACs. The 65dB PSRR at 120Hz attenuates switching noise from the upstream converter.
Automotive Sensor Power Supplies
The TO-252-5L package handles the thermal load of 1.5A, making it suitable for powering automotive sensors (e.g., pressure, temperature) that require a stable 3.3V or 5V rail from a 12V battery bus.
Industrial Control Board Local Regulation
Provides a dedicated, adjustable local rail for microcontrollers or communication interfaces on industrial PCBs, ensuring stable operation despite input voltage fluctuations from motors or relays.
Audio Equipment Analog Supply
The low noise and high PSRR (65dB at 120Hz) make it suitable for powering audio codecs and preamplifiers, reducing hum and improving signal-to-noise ratio.
- Q: What is the output voltage range of the LD39150GRS-ADJ?
- A: The LD39150GRS-ADJ is an adjustable LDO regulator with a reference voltage of 1.25V, allowing output voltages to be set from 1.25V up to 5V using external resistors.
- Q: What is the maximum output current?
- A: The LD39150GRS-ADJ can deliver up to 1.5A of continuous output current, making it suitable for powering moderate-load applications.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the technical data, but as an adjustable LDO, it must be at least the output voltage plus the dropout voltage (0.4V @ 1.5A).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.4V at a 1.5A load, enabling efficient operation with a low input-to-output voltage differential.
- Q: What is the quiescent current?
- A: The quiescent current is 2.5 mA, which is moderate and suitable for applications where standby power is a consideration.
- Q: What package is available?
- A: The LD39150GRS-ADJ is available in a TO-252-5L (DPAK) package, which offers good thermal performance for up to 1.5A of current.
LD39150GRS-ADJ.pdf
- Q: What is the output voltage range of the LD39150GRS-ADJ?
- A: The LD39150GRS-ADJ is an adjustable LDO regulator with a reference voltage of 1.25V, allowing output voltages to be set from 1.25V up to 5V using external resistors.
- Q: What is the maximum output current?
- A: The LD39150GRS-ADJ can deliver up to 1.5A of continuous output current, making it suitable for powering moderate-load applications.
- Q: What is the input voltage range?
- A: The input voltage range is not explicitly specified in the technical data, but as an adjustable LDO, it must be at least the output voltage plus the dropout voltage (0.4V @ 1.5A).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.4V at a 1.5A load, enabling efficient operation with a low input-to-output voltage differential.
- Q: What is the quiescent current?
- A: The quiescent current is 2.5 mA, which is moderate and suitable for applications where standby power is a consideration.
- Q: What package is available?
- A: The LD39150GRS-ADJ is available in a TO-252-5L (DPAK) package, which offers good thermal performance for up to 1.5A of current.
