LM1770SMF/NOPB
IC REG CTRLR BUCK SOT23-5
Pmic Voltage Regulators Dc Dc Switching Controllers
SC-74A, SOT-753
Active
$2.12 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LM1770SMF/NOPB |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck |
| Frequency - Switching | 100kHz ~ 1MHz |
| Number of Outputs | 1 |
| Supplier Device Package | SOT-23-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LM1770SMF/NOPB by Texas Instruments 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 SC-74A, SOT-753 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 LM1770SMF/NOPB
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 →R1223N332E-TR-FE
13.2V INPUT PWM/VFM STEP-DOWN DC
R1224N182G-TR-FE
18.5V INPUT PWM/VFM STEP-DOWN DC
R1223N152H-TR-FE
13.2V INPUT PWM/VFM STEP-DOWN DC
R1224N152G-TR-FE
18.5V INPUT PWM/VFM STEP-DOWN DC
R1224N252E-TR-FE
18.5V INPUT PWM/VFM STEP-DOWN DC
R1224N402G-TR-FE
18.5V INPUT PWM/VFM STEP-DOWN DC
All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Clock Sync | No |
| Output Type | Transistor Driver |
| Output Phases | 1 |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 100kHz ~ 1MHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 2.8V ~ 5.5V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.