LM3410YMF/NOPB Texas Instruments Integrated Circuit (SOT23 (5-Pin)) In Stock
The LM3410YMF/NOPB is a single-channel boost LED driver from Texas Instruments designed for driving high-brightness LEDs with constant current regulation. It operates from a 2.7 V to 5.5 V input and switches at up to 1.6 MHz for compact, low-ripple LED strings. Housed in a 5-pin SOT-23 for minimal footprint in handheld and portable lighting designs.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LM3410YMF/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1200(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3410YMF/NOPB?
- Constant-current LED regulation from a 2.7 V to 5.5 V input supply
- 1.6 MHz switching frequency minimizes external inductor size to 1 µH or less
- Overvoltage protection and open-LED fault detection for LED string safety
- Analog or PWM dimming control for smooth brightness adjustment
- Tiny 5-pin SOT-23 package occupying under 9 mm² of PCB area
What is LM3410YMF/NOPB used for?
The LM3410YMF/NOPB is ideal for boosting a single Li-Ion cell or two-cell alkaline supply to drive white LED strings in mobile phone keyboards, wearable displays, and portable medical backlight modules. Its high 1.6 MHz switching frequency allows use of a 1 µH inductor, reducing solution height to fit within slim device enclosures under 3 mm. Designers also use it in camera flash assist, notification LEDs, and small area-lighting fixtures where controlled, flicker-free constant-current drive improves LED lifetime.
What are the specifications of LM3410YMF/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Input Characteristics | STANDARD |
| Interface IC Type | LED DISPLAY DRIVER |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Multiplexed Display Capability | NO |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Number of Segments | 5 |
| 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 |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 5V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| 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 |
Where can I find the LM3410YMF/NOPB datasheet?
LM3410YMF/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3410YMF/NOPB?
Compatible alternatives and drop-in replacements for LM3410YMF/NOPB:
Frequently Asked Questions
What switching frequency does LM3410YMF/NOPB operate at, and how small can the external inductor be?
The LM3410YMF/NOPB switches at up to 1.6 MHz, which allows the external inductor to be as small as 1 µH in a compact 0402 or 0603 SMD package. At this inductor value, ripple current is typically under 20% of the peak inductor current, keeping LED current variation and visible flicker below perceptible thresholds in display backlighting applications.
How does the LM3410YMF/NOPB regulate LED current, and what sets the current level?
The LM3410YMF/NOPB uses a current-sense resistor connected between the LED cathode and ground. The internal control loop maintains a fixed 200 mV reference across this resistor; selecting a 1 Ω resistor sets the LED current to 200 mA, while 2 Ω gives 100 mA. This simple single-resistor programming makes it straightforward to target any LED current between 20 mA and 400 mA by changing the sense resistor value.
What dimming methods does LM3410YMF/NOPB support, and which is better for color-critical lighting?
The LM3410YMF/NOPB supports both analog dimming (reducing the voltage on the feedback pin) and PWM dimming (toggling the enable pin at frequencies above 100 Hz). PWM dimming is preferred for color-critical applications such as display backlights and colorimetry instruments because it maintains constant LED forward current and color temperature; the duty cycle controls perceived brightness without shifting the LED's spectral output, which analog dimming would cause.
What fault protection features does LM3410YMF/NOPB include to protect the LED string and input supply?
The LM3410YMF/NOPB includes overvoltage protection (OVP) that clamps the boost output to a fixed level when the LED string is open or disconnected, preventing the output capacitor from charging to destructive voltages. An internal current limit on the boost switch protects the inductor and input supply during output shorts. These two protections together allow the IC to survive common field faults — open LED, shorted output — without external protection components.
When is LM3410YMF/NOPB preferred over a linear current source for LED drive in battery-powered devices?
A linear LED current source wastes the voltage difference between supply and LED forward voltage as heat; at a 3.7 V Li-Ion supply and 3.2 V LED, a 200 mA linear driver dissipates 100 mW of heat continuously. The LM3410YMF/NOPB boost converter operates at over 90% efficiency under the same conditions, reducing heat output to under 10 mW and extending battery runtime by 40% to 50% in a typical mobile handset or wearable device.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $1.5122 | $378.05 |
| 500+ | $1.2600 | $630.00 |
| 1000+ | $1.1900 | $1190.00 |
| 10000+ | $1.1200 | $11200.00 |
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