LM3207TL Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3207TL is an adjustable-output, 650 mA current-mode PWM step-down DC-DC switching regulator operating from 2.7 V to 5.5 V input in a 9-ball XBGA package. It delivers high efficiency for battery-powered portable applications. Available lead-free with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 9
- Lifecycle
- OBSOLETE
- Datasheet
- LM3207TL 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
What are the key features of LM3207TL?
- 650 mA adjustable output current supporting a wide range of portable processor and peripheral supply rails
- Current-mode PWM control enabling fast transient response and inherent cycle-by-cycle current limiting
- Input voltage range from 2.7 V to 5.5 V covering single-cell Li-ion and USB power sources
- Ultra-compact 9-ball XBGA package minimizing solution footprint in wearable and handheld product designs
- Lead-free, RoHS-compliant construction meeting modern environmental standards
What is LM3207TL used for?
The LM3207TL is designed for powering adjustable core and I/O voltage rails in battery-operated handsets, portable media players, and Bluetooth audio modules where board space is tightly constrained. Its 650 mA current capability and 2.7 V to 5.5 V input range cover the discharge window of single-cell Li-ion batteries from full charge to cutoff. The current-mode PWM architecture provides fast load transient response for dynamic voltage scaling and rapidly changing processor workloads.
What are the specifications of LM3207TL?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.7V |
| Input Voltage-Nom | 3.6V |
| JESD-30 Code | S-XBGA-B9 |
| JESD-609 Code | e1 |
| Number of Functions | 1 |
| Output Current-Max | 1.2A |
| Package Body Material | UNSPECIFIED |
| Package Equivalence Code | BGA9,3X3,20 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY, VERY THIN PROFILE, FINE PITCH |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 2300kHz |
| Temperature Grade | COMMERCIAL EXTENDED |
| Terminal Finish | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM3207TL datasheet?
LM3207TL Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3207TL?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the maximum output current and input voltage range of the LM3207TL?
The LM3207TL delivers up to 650 mA of output current and accepts input voltages from 2.7 V to 5.5 V. This current and voltage capability covers single-cell Li-ion battery-powered designs through their full discharge window, making the regulator suitable for powering mobile SoCs, DSPs, and peripheral ICs in portable consumer electronics.
How does the current-mode PWM control of LM3207TL benefit load transient performance?
Current-mode PWM control senses inductor current on a cycle-by-cycle basis, allowing the LM3207TL to respond to load transients within a single switching cycle. Compared to voltage-mode control, this architecture reduces output voltage deviation during sudden load steps, which is critical for processors with dynamic voltage scaling that switch between low and high power states several times per second.
What package does the LM3207TL use, and how does it help with PCB miniaturization?
The LM3207TL comes in a 9-ball XBGA package measuring roughly 1.5 mm x 1.5 mm. This tiny footprint, combined with just a few external passives, allows the complete step-down power supply to fit within a 15 mm² area — an order of magnitude smaller than the equivalent circuit in a standard DIP or SOIC package, essential for wearables and IoT sensor nodes.
For a Bluetooth earphone design running from a 3.7 V Li-ion cell, what output voltage configurations does LM3207TL support?
The LM3207TL output voltage is adjustable via an external resistor divider, allowing the designer to set any output voltage between approximately 0.8 V and the input voltage minus the required dropout margin. For a 3.7 V Li-ion source, typical output voltages of 1.0 V, 1.2 V, 1.5 V, or 1.8 V are achievable, covering core and I/O supplies for the audio DSP and RF front-end in Bluetooth earphone designs.
How does the LM3207TL compare to a fixed-voltage LDO for powering a 1.2 V rail from a 3.7 V Li-ion battery?
Converting 3.7 V to 1.2 V through an LDO dissipates 2.5 V times the load current as heat, yielding only about 32% power efficiency. The LM3207TL switching regulator achieves efficiencies typically above 85%, extending battery runtime by over 2.5x for the same load. At 650 mA, the heat advantage is even more pronounced, eliminating the need for thermal management components.
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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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