Reed Semiconductor Corp. RS53201R
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.93 | $1.93 |
| 15+ | $0.44 | $6.60 |
| 25+ | $0.43 | $10.75 |
| 50+ | $0.41 | $20.50 |
| 100+ | $0.36 | $36.00 |
| N+ | $0.07 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Reed Semiconductor Corp. |
| Product Series | |
| Packaging | Tape & Reel (TR) | |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Selectable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.15V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.2V |
| Voltage - Output (Max) | 3.3V |
| Current - Output | 550mA |
| Frequency - Switching | 1.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-UFBGA, WLCSP |
| Supplier Device Package | 8-WLCSP (1.55x0.86) |
| ROHS |  |
The RS53201R from Reed Semiconductor Corp. is a compact step-down DC-DC converter designed for battery-powered and low-voltage applications. It accepts inputs from 2.15V to 5.5V and provides an adjustable output from 1.2V to 3.3V, delivering up to 550mA. Operating at 1.2MHz, it enables the use of small external components, while the 8-UFBGA WLCSP package minimizes board space.
- Ultra-Compact WLCSP: The 8-UFBGA package is ideal for space-constrained wearables and IoT modules.
- High-Frequency Operation: 1.2MHz switching allows tiny inductors and capacitors, reducing PCB footprint.
- Low Input Voltage Support: Operates down to 2.15V, compatible with deeply discharged batteries.
- Adjustable Output: Flexible 1.2V to 3.3V range suits various digital core voltages.
Portable Battery Devices
With a 2.15V minimum input, the RS53201R efficiently steps down single-cell Li-ion or LiFePO4 batteries (2.5V-4.2V) to core voltages like 1.8V or 1.2V, extending battery life in wearables.
IoT Sensor Nodes
Low-power microcontrollers in IoT nodes require stable sub-3V rails. This converter's 550mA output and 1.2MHz frequency allow tiny inductors, shrinking overall solution size for compact designs.
FPGA and DSP Core Supplies
Many FPGAs need 1.2V to 3.3V core logic. The RS53201R provides a precise, low-ripple output from a 5V USB or 3.3V system rail, ensuring reliable operation.
Wireless Modules (BLE/Wi-Fi)
RF modules often demand clean 1.8V or 3.3V supplies. The high 1.2MHz switching frequency enables fast transient response, maintaining voltage stability during RF bursts.
Wearable Health Monitors
Space-constrained health patches benefit from the WLCSP package and high-frequency operation, enabling a compact power stage that fits on small PCBs.
Portable Audio Players
Audio codecs require low-noise analog rails. The buck converter's adjustable output can be set to 2.5V or 3.3V, providing efficient power from a single lithium cell.
- Q: What type of converter is the RS53201R?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.15V to 5.5V.
- Q: What is the output voltage range?
- A: The output is adjustable from 1.2V to 3.3V.
- Q: What is the maximum output current?
- A: The maximum output current is 550mA.
- Q: What is the switching frequency?
- A: The switching frequency is 1.2MHz.
- Q: What package is available?
- A: It comes in an 8-UFBGA, WLCSP package.
RS53201R.pdf
- Q: What type of converter is the RS53201R?
- A: It is a Buck (step-down) DC-DC converter.
- Q: What is the input voltage range?
- A: The input voltage range is 2.15V to 5.5V.
- Q: What is the output voltage range?
- A: The output is adjustable from 1.2V to 3.3V.
- Q: What is the maximum output current?
- A: The maximum output current is 550mA.
- Q: What is the switching frequency?
- A: The switching frequency is 1.2MHz.
- Q: What package is available?
- A: It comes in an 8-UFBGA, WLCSP package.
