LM3676SDX-1.5 Texas Instruments Integrated Circuit (Small Outline No-lead) In Stock
Texas Instruments LM3676SDX-1.5 is a fixed 1.5V output voltage-mode PWM switching regulator with 2.9V to 5.5V input voltage range. Features compact 8-pin SON package for high-efficiency step-down power conversion. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline No-lead
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM3676SDX-1.5 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -30.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 1.5V output voltage-mode PWM switching regulator with 2.9V to 5.5V input range optimized for single-cell lithium and USB-powered systems
- Pulse width modulation control technique delivers high efficiency step-down conversion with low output ripple for noise-sensitive analog and digital circuits
- Compact 8-pin SON (Small Outline No-lead) package enables high-power-density designs in space-constrained portable and IoT applications
- Nominal 3.6V input voltage optimized for single-cell lithium-ion battery discharge profile, maximizing energy extraction across the battery's charge cycle
Applications
The LM3676SDX-1.5 is designed for portable consumer electronics, wireless sensor nodes, and IoT devices powered from single-cell lithium-ion batteries requiring an efficient 1.5V step-down regulated supply. It is commonly used to power ARM microcontrollers, DSP cores, and memory interfaces in handheld devices where the 2.9V to 5.5V input range matches the full discharge range of a lithium battery or USB bus. Its high-frequency PWM operation enables use of small external inductors and capacitors, minimizing total solution size for wearable and mobile applications.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.9V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | R-XDSO-N8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Output Voltage-Nom | 1.5V |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | SOLCC8,.11,20 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2600kHz |
| Temperature Grade | OTHER |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Package | Small Outline No-lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3676SDX-1.5:
Switching Regulator, Voltage-mode, 1.2A, 2600kHz Switching Freq-Max
Frequently Asked Questions
What is the output voltage of the LM3676SDX-1.5?
The LM3676SDX-1.5 provides a fixed 1.5V output voltage, suitable for powering low-voltage microcontrollers, memory devices, FPGAs, and other digital circuits requiring a regulated 1.5V supply rail.
What is the input voltage range of the LM3676SDX-1.5?
The LM3676SDX-1.5 accepts input voltages from 2.9V to 5.5V with a nominal input of 3.6V, making it ideally suited for single-cell lithium-ion battery powered applications and USB 5V bus powered portable devices.
What control method does the LM3676SDX-1.5 use?
The LM3676SDX-1.5 uses voltage-mode pulse width modulation (PWM) control, which provides stable output regulation and predictable switching behavior, making it easier to design stable power supply feedback compensation networks.
What package does the LM3676SDX-1.5 come in?
The LM3676SDX-1.5 is packaged in an 8-pin SON (Small Outline No-lead) package, providing excellent thermal dissipation and a very small PCB footprint suitable for compact portable and wearable device power supplies.
What are typical applications for the LM3676SDX-1.5?
Typical applications include step-down power regulation in smartphones, tablets, wearables, wireless sensors, and IoT devices where a stable 1.5V supply is needed from a lithium battery or USB source with 2.9V to 5.5V input range.
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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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