LM3686TLE-AAEF Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3686TLE-AAEF is a step-down DC-DC converter with PWM and PFM control operating from 2.7V to 5.5V input. It also functions as an LDO regulator and uses current-mode control in a 12-ball BGA package. Available from distributors worldwide for portable and battery-powered applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 12
- Lifecycle
- OBSOLETE
- Datasheet
- LM3686TLE-AAEF Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3686TLE-AAEF?
- Dual PWM/PFM control modes plus LDO operation extending battery life in portable 2.7V to 5.5V systems
- Current-mode switching regulation with 3.6V nominal input for stable output in single-cell Li-ion designs
- Ultra-compact 12-ball BGA package enabling minimal PCB footprint in space-constrained mobile and wearable devices
What is LM3686TLE-AAEF used for?
The LM3686TLE-AAEF is optimized for single-cell Li-ion battery-powered devices such as smartphones, wearables, and portable medical instruments requiring efficient step-down conversion. Its combined PWM/PFM and LDO modes maximize efficiency across light and heavy load conditions from a 2.7V to 5.5V supply. The 12-ball BGA package minimizes board area consumption in compact, multi-function portable electronics designs.
What are the specifications of LM3686TLE-AAEF?
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES AS LDO REGULATOR, ALSO HAS CONTROL TECHNIQUE OF PFM |
| 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 | R-PBGA-B12 |
| Number of Functions | 1 |
| Output Current-Max | 1.375A |
| Output Voltage-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA12,3X4,20 |
| Package Shape | RECTANGULAR |
| Package Style | GRID ARRAY |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 3000kHz |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | BALL |
| Terminal Pitch | 0.5mm |
| Terminal Position | BOTTOM |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM3686TLE-AAEF datasheet?
LM3686TLE-AAEF Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3686TLE-AAEF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the input voltage range of LM3686TLE-AAEF and what battery chemistries does it support?
LM3686TLE-AAEF accepts 2.7V to 5.5V input, directly compatible with single-cell Li-ion batteries nominally at 3.6V and USB 5V rails, covering most portable consumer electronics and wearable power supply requirements.
How does combining PWM, PFM, and LDO modes in LM3686TLE-AAEF improve battery life in IoT devices?
LM3686TLE-AAEF automatically switches between PWM at heavy loads and PFM at light loads to minimize switching losses, then drops to LDO mode near dropout, achieving higher efficiency across the full 2.7V to 5.5V operating range.
For a wearable sensor device, how does the 12-ball BGA package of LM3686TLE-AAEF compare to SOT-23 alternatives?
The 12-ball BGA package of LM3686TLE-AAEF occupies roughly 50% less PCB area than a comparable SOT-23-5 footprint, enabling tighter integration of power management circuitry in sub-10 mm wearable PCB designs.
Can LM3686TLE-AAEF supply a 1.8V rail for low-power microcontrollers from a single Li-ion cell?
Yes, LM3686TLE-AAEF steps down from a 2.7V to 5.5V Li-ion input to a regulated 1.8V output using current-mode PWM control, suitable for powering 1.8V microcontrollers and RF transceivers with stable regulation.
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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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