R1240N001B-TR-FE
PWM STEP-DOWN DCDC CONVERTER
Pmic Voltage Regulators Dc Dc Switching Controllers
SOT-23-6
Active
$1.94 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Nisshinbo Micro Devices Inc. |
| Model | R1240N001B-TR-FE |
| Package / Case | SOT-23-6 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Buck |
| Frequency - Switching | 1.25MHz |
| Number of Outputs | 1 |
| Supplier Device Package | SOT-23-6W |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
R1240N001B-TR-FE by Nisshinbo Micro Devices Inc. is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The SOT-23-6 package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
📖 Technical Guides for R1240N001B-TR-FE
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →SG5701TZ
75KHZ BICMOS, PDSO6
SGP400TZ-FS
68KHZ PDSO6
TPS64201DBVT
IC REG CTRLR BUCK SOT23-6
MAX1524EUT+T
IC REG CTRLR MULT TOP SOT23-6
TPS64202DBVT
IC REG CTRLR BUCK SOT23-6
ZXSC420E6TA
IC REG CTRLR BOOST SOT23-6
All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Clock Sync | No |
| Output Type | PWM |
| Output Phases | 1 |
| Control Features | Enable |
| Duty Cycle (Max) | 85% |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 1.25MHz |
| Synchronous Rectifier | No |
| Voltage - Supply (Vcc/Vdd) | 4.5V ~ 30V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.