Reed Semiconductor Corp. RS53319HR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.77 | $8.77 |
| 15+ | $8.49 | $127.35 |
| 25+ | $8.31 | $207.75 |
| 50+ | $7.85 | $392.50 |
| 100+ | $6.92 | $692.00 |
| N+ | $1.38 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Reed Semiconductor Corp. |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Programmable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.85V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.9V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 20A |
| Frequency - Switching | 600kHz, 800kHz, 1MHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 21-QFN |
| Supplier Device Package | 21-QFN (3x4) |
| ROHS |  |
The RS53319HR from Reed Semiconductor Corp. is a high-current synchronous step-down (Buck) DC-DC converter. It operates from an input voltage of 2.85V to 16V and delivers a continuous output current of up to 20A, with an adjustable output from 0.9V to 5.5V. The device offers selectable switching frequencies of 600kHz, 800kHz, or 1MHz to 2.2MHz, allowing designers to balance efficiency and component size. Its high efficiency and robust thermal performance make it suitable for demanding applications in computing, networking, and industrial systems. The compact 21-QFN package enables high-density power designs.
- High Current Capability: Delivers up to 20A, suitable for powering high-performance processors and FPGAs.
- Flexible Frequency Selection: Choose between 600kHz, 800kHz, or 1-2.2MHz to optimize for efficiency or size.
- Wide Input Range: Operates from 2.85V to 16V, covering a variety of power bus architectures.
- High Efficiency: Synchronous rectification minimizes power loss, improving thermal performance and reliability.
High-Current POL for Servers and Storage
The RS53319HR's 20A output and 2.85V-16V input range make it ideal for powering high-performance CPUs, GPUs, and memory in servers and storage systems, where efficiency and density are critical.
Networking and Communication Equipment
For routers, switches, and base stations, this buck converter provides a stable, high-current rail from a 12V or 5V intermediate bus, supporting high-speed ASICs and FPGAs.
FPGA and ASIC Power Supplies
Modern FPGAs and ASICs require multiple low-voltage, high-current rails. The RS53319HR can efficiently generate core and I/O voltages with excellent transient response.
Industrial Computing and Automation
In industrial PCs and automation controllers, this converter delivers reliable power from a 12V or 24V supply (with appropriate derating) to logic and interface circuits.
High-Performance Consumer Electronics
For gaming consoles, high-end set-top boxes, and VR systems, the RS53319HR provides the clean, high-current power needed for demanding processors and graphics chips.
Battery-Powered Devices with Fast Charging
With an input range starting at 2.85V, it can operate from a single Li-ion cell or multi-cell packs, efficiently stepping down to core voltages for portable devices.
- Q: What type of converter is the RS53319HR?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.85V to 16V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.9V to 5.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 20A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is selectable at 600kHz, 800kHz, or 1MHz to 2.2MHz.
- Q: What package is available?
- A: It comes in a 21-QFN package.
RS53319HR.pdf
- Q: What type of converter is the RS53319HR?
- A: It is a step-down (Buck) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.85V to 16V.
- Q: What is the output voltage range?
- A: The output voltage is adjustable from 0.9V to 5.5V.
- Q: What is the maximum output current?
- A: It can deliver up to 20A of output current.
- Q: What is the switching frequency?
- A: The switching frequency is selectable at 600kHz, 800kHz, or 1MHz to 2.2MHz.
- Q: What package is available?
- A: It comes in a 21-QFN package.
