LM3671MF-1.6/NOPBIn StockTexas Instruments
LM3671MF-1.6/NOPB is a 600mA step-down DC/DC switching regulator from Texas Instruments. Features 2.7V–5.5V input, 1.6V fixed output, PWM/PFM control, SOT23-5 package. From $0.67, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LM3671MF-1.6/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6709(MOQ 100)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 600mA output current in ultra-compact SOT23-5 package
- Wide input voltage range: 2.7V to 5.5V
- Fixed 1.6V output voltage with ±2% accuracy
- PWM and PFM dual-mode control for high efficiency at light loads
- 2MHz switching frequency minimizes external component size
Applications
The LM3671MF-1.6/NOPB is ideal for battery-powered portable devices such as smartphones, tablets, and wearables where compact size and high efficiency are critical. Its 2.7V–5.5V input range makes it well-suited for single-cell Li-Ion/Li-polymer battery applications. The PFM mode enables extended battery life in low-power IoT sensors and wireless modules.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | PULSE FREQUENCY MODULATION TECHNIQUE IS ALSO POSSIBLE |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.6A |
| Output Voltage-Max | 3.3V |
| Output Voltage-Min | 1.1V |
| Output Voltage-Nom | 1.6V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2600kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.953mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of the LM3671MF-1.6/NOPB?
The LM3671MF-1.6/NOPB operates from an input voltage range of 2.7V to 5.5V, with a nominal input of 3.6V, making it ideal for single-cell Li-Ion battery applications.
What output voltage and current does the LM3671MF-1.6/NOPB provide?
This device provides a fixed 1.6V output voltage with ±2% accuracy and supports up to 600mA of output current, suitable for powering low-voltage processors and microcontrollers.
What control modes does the LM3671MF-1.6/NOPB support?
The LM3671MF-1.6/NOPB supports both Pulse Width Modulation (PWM) and Pulse Frequency Modulation (PFM) techniques. PFM mode improves efficiency at light loads, extending battery life in portable and IoT applications.
What package does the LM3671MF-1.6/NOPB come in?
The LM3671MF-1.6/NOPB is available in a SOT23-5 (5-pin small outline transistor) package, which is compact and suitable for space-constrained PCB designs in portable electronics.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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