For Reference Only
| Part Number | R5220K121B-TR |
| Manufacturer | Nisshinbo Micro Devices Inc. |
| Category | Integrated Circuits (ICs) › Voltage Regulators - DC DC Switching Regulators |
| Description | 400MA PWM STEP-DOWN DCDC CONVERT |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | R5220K121B-TR PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 08 - Dec 12 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | R5220K121B-TR |
| Brand: | Nisshinbo Micro Devices Inc. |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Voltage Regulators - DC DC Switching Regulators |
| Manufacturer: | Nisshinbo Micro Devices Inc. |
| Product Status: | Active |
| Function: | Step-Down |
| Output Configuration: | Positive |
| Topology: | Buck |
| Output Type: | Fixed |
| Number of Outputs: | 1 |
| Voltage - Input (Min): | 2.8V |
| Voltage - Input (Max): | 5.5V |
| Voltage - Output (Min/Fixed): | 1.2V |
| Voltage - Output (Max): | - |
| Current - Output: | 400mA |
| Frequency - Switching: | 1.2MHz |
| Synchronous Rectifier: | Yes |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 6-UFDFN Exposed Pad |
| Supplier Device Package: | DFN(PLP)2514-6 |
| LT3680HMSE#TRPBF | IC REG BUCK ADJ 3.5A 10MSOP | 9007 More on Order |
|
| LT3573EMSE#TRPBF | IC REG FLYBACK 1.25A 16MSOP | 15058 More on Order |
|
| MCP1252-33X50I/MS | IC REG CHARG PUMP PROG 8MSOP | 43454 More on Order |
|
| LTC7149IFE#TRPBF | IC REG BUCK ADJ 4A 28TSSOP | 9999 More on Order |
|
| IXD3236A30DMR-G | IC REG BUCK 3V 600MA SOT25 | 30280 More on Order |
|
| MAX865EUA+T | IC REG CHARGE PUMP INV DL 8UMAX | 32358 More on Order |
|
| TPS60202DGSR | IC REG CHARGE PUMP 3.3V 10VSSOP | 47558 More on Order |
|
| XRP7659ISTR-F | IC REG BUCK ADJ 1.5A SOT23-6 | 95094 More on Order |
|
| LT3688HFE#PBF | IC REG BUCK ADJ 800MA DL 24TSSOP | 9863 More on Order |
|
| RT5750BHGJ5 | 6V 1A SYNC ADJ ACOT BUCK TSOT-25 | 83898 More on Order |
|
| XC9236A12CER-G | IC REG BUCK 1.2V 600MA 6USPC | 49716 More on Order |
|
| R1210N301D-TR-FE | 8V INPUT PWM STEP-UP DCDC CONVER | 31889 More on Order |
| In Stock | 67071 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.84000 | $0.84 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.