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Texas Instruments LM3410XMFE/NOPB
- Part No.:
- LM3410XMFE/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- SC-74A, SOT-753
- Datasheet:
-
LM3410XMFE/NOPB.pdf
- Description:
- IC LED DRV RGLTR PWM SOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,557
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Product details
Overview
LM3410XMFE/NOPB from Texas Instruments is a 1.6-MHz constant-current boost/SEPIC LED driver IC with internal NMOS switch, 190-mV feedback reference, and PWM dimming control. It delivers up to 2.8-A peak switch current, supports 2.7–5.5-V input and 3–24-V output, and targets high-brightness LED backlighting in space-constrained handheld and automotive displays.
For engineers reviewing the LM3410XMFE/NOPB datasheet, LM3410XMFE/NOPB pinout, LM3410XMFE/NOPB application, or LM3410XMFE/NOPB equivalent, key selection criteria include switching frequency (1.6 MHz), internal compensation, thermal shutdown (165°C), 170-mΩ RDS(ON), and compatibility with ceramic input/output capacitors in SOT-23-5 packaging.
Technical Context
The LM3410XMFE/NOPB implements current-mode PWM control with an internally compensated error amplifier and fixed 1.6-MHz oscillator. Its cycle-by-cycle current limit protects the 170-mΩ NMOS switch, while the 190-mV VFB reference enables precise LED current regulation via external sense resistor.
It operates in boost or SEPIC topology with internal soft-start, undervoltage lockout (2.65-V rising threshold), and ultra-low 80-nA shutdown current. DIM pin accepts 0–100% PWM duty cycle (1 Hz–25 kHz) for analog-equivalent brightness control without external circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Switching frequency | 1.6 MHz - enables use of sub-2.2-µH inductors and 0.47-µF ceramic output capacitors, minimizing board area. |
| Feedback voltage (VFB) | 190 mV ±12 mV - sets LED current via RSET = 0.19 V / ILED; stable over –40°C to 125°C. |
| Switch RDS(ON) | 170 mΩ (typ) - limits conduction loss at 2.8-A peak switch current; supports >88% efficiency in typical boost designs. |
| Input voltage range | 2.7 V to 5.5 V - matches single-cell Li-ion (2.7–4.5 V) and USB-powered systems without pre-regulation. |
| Output voltage range | 3 V to 24 V - drives up to 7-series white LEDs (VF ≈ 3.4 V) or HB OLEDs with margin for diode drop and ripple. |
| Thermal shutdown | 165°C (trip), 150°C (release) - protects die during overload or poor PCB thermal design; no latch-up behavior. |
| Shutdown current | 80 nA - preserves battery life in always-on portable devices; enabled by logic-high DIM pin. |
Pinout & Package
LM3410XMFE/NOPB uses the 5-pin SOT-23 package (3.00 mm × 3.00 mm body, 1.02 mm height), with exposed pad not connected internally. Thermal performance relies on soldering the GND pin (Pin 2) and proper PCB copper area under the package.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1: SW | Switch node output | Drives inductor in boost/SEPIC; swings from GND to VOUT + VF(D1); requires low-inductance routing to minimize EMI. |
| 2: GND | Signal and power ground | Reference for FB, DIM, and internal circuits; must be tied directly to PCB ground plane near RSET and CIN. |
| 3: FB | Current-sense feedback input | Monitors voltage across RSET; regulates LED current to 0.19 V / RSET; sensitive to noise-keep trace short and away from SW. |
| 4: DIM | PWM dimming/shutdown control | Logic-level input: ≥1.8 V enables operation; 0–100% PWM duty cycle controls average LED current linearly. |
| 5: VIN | Power supply input | Supplies internal bias and NMOS gate drive; requires local 2.2–22 µF MLCC (X7R/X5R) with low ESL. |
Key Features
| Feature | Design Value |
|---|---|
| Internal 170-mΩ NMOS switch | Eliminates external MOSFET and gate driver, reducing BOM count and layout complexity in compact LED drivers. |
| 1.6-MHz fixed-frequency PWM | Enables <2.2-µH inductors and 0.47-µF ceramic capacitors-critical for thin handheld and automotive display modules. |
| 190-mV precision feedback reference | Supports ±6% LED current accuracy over temperature and line; allows direct current-setting with single resistor. |
| Integrated soft-start | Prevents inrush current into output capacitor and LEDs during startup; eliminates need for external timing components. |
| Thermal shutdown with hysteresis | Auto-recovery at 150°C prevents latch-up during transient overloads; protects IC and external components without system reset. |
Applications
| Automotive Display Backlight | Portable OLED Power Supply |
|---|---|
|
Use Scenario: Driving 4–6-series white LEDs in instrument cluster or center console display powered by 12-V rail stepped down to 3.3–5 V. IC Role / Device Role / Timing Role: Constant-current boost controller regulating LED string current at 20–100 mA with 1.6-MHz switching to avoid AM radio band interference. Use Value: AEC-Q100 Grade 1 qualification (–40°C to 125°C), 88% efficiency at 5-V input, and integrated thermal protection ensure reliability in under-hood environments. |
Use Scenario: Powering RGB OLED panels in smartwatches or AR glasses using single-cell Li-ion (2.7–4.5 V) with dynamic brightness control. IC Role / Device Role / Timing Role: SEPIC-configured constant-current source delivering regulated current up to 50 mA per channel with PWM dimming via microcontroller GPIO. Use Value: 1.6-MHz operation enables <1-mm-thick inductors; 80-nA shutdown current extends battery runtime between screen updates. |
| Smartphone Flash Driver | Industrial HMIs with HB LEDs |
|
Use Scenario: High-intensity camera flash requiring 1-A peak LED current for <500-ms bursts, powered from 3.8-V battery. IC Role / Device Role / Timing Role: Boost converter with 2.8-A switch current limit and cycle-by-cycle protection, triggered by fast DIM pulse from baseband processor. Use Value: Internal 170-mΩ switch minimizes heat rise during flash pulses; 190-mV VFB enables accurate current scaling across battery voltage range. |
Use Scenario: Status lighting and indicator arrays in factory HMIs where ambient temperature exceeds 85°C and ESD robustness is critical. IC Role / Device Role / Timing Role: Constant-current source driving parallel LED strings with thermal foldback activated above 125°C junction temperature. Use Value: HBM ±2000-V and CDM ±1000-V ESD ratings meet industrial IEC 61000-4-2 requirements; 164.2°C/W RθJA (SOT-23) validated for forced-air-free operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar constant-current LED driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM3410YMF/NOPB | 525-kHz switching frequency; higher RDS(ON) (190 mΩ WSON); lower quiescent current (3.4 mA vs 7 mA). | Better suited for low-EMI, thermally relaxed designs where larger inductors/capacitors are acceptable. | Select LM3410YMF/NOPB when board space is less constrained and lower switching losses outweigh size benefits. |
| TPS61165DRVR | 2.2-MHz operation; 1.8-A switch current limit; 200-mV VFB; no internal compensation (requires external RC network). | Requires additional external components but offers tighter current accuracy (±3%) and wider dimming frequency range (100 Hz–30 kHz). | Choose TPS61165DRVR when higher current precision and extended PWM dimming flexibility justify added BOM and layout effort. |
Compared with LM3410XMFE/NOPB, LM3410YMF/NOPB trades higher board area for lower EMI and thermal stress, while TPS61165DRVR adds design flexibility at the cost of component count and layout complexity-neither is pin-compatible, and both require schematic and layout revision.
Availability
LM3410XMFE/NOPB is available at Aetrix Electronics and suitable for automotive display backlighting, portable OLED power supplies, smartphone flash drivers, and industrial HMIs requiring stable component supply and long-term production continuity.
Supply support for LM3410XMFE/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and power management ICs, with decades of expertise in high-reliability automotive and industrial solutions.
The LM3410 product line delivers monolithic, high-frequency LED drivers optimized for space-constrained, battery-powered, and automotive-grade lighting systems-designed to simplify constant-current power conversion with minimal external components.
FAQ
What is the maximum LED string voltage supported by the LM3410XMFE/NOPB?
The LM3410XMFE/NOPB supports output voltages up to 24 V, enabling series connection of up to seven white LEDs (assuming 3.4-V forward voltage each) plus margin for diode drop and ripple. This limit is defined by the absolute maximum SW pin voltage rating of 26.5 V and the recommended operating VSW range of 3–24 V per the datasheet.
Does the LM3410XMFE/NOPB require external compensation components?
No, the LM3410XMFE/NOPB features internal compensation, eliminating the need for external RC networks typically required in current-mode boost controllers. This simplifies design, reduces BOM count, and improves stability across input voltage, load, and temperature variations without tuning.
Can the LM3410XMFE/NOPB operate in SEPIC topology, and what modifications are needed?
Yes, the LM3410XMFE/NOPB supports SEPIC configuration as documented in Section 8.1.2 of its datasheet. Implementation requires adding a second inductor (L2), coupling capacitor (C2), and re-routing connections per Figure 15-no changes to the IC itself or its external passive values beyond those specified for boost operation.
What is the minimum PWM dimming frequency supported on the DIM pin of the LM3410XMFE/NOPB?
The DIM pin of the LM3410XMFE/NOPB accepts PWM signals from 1 Hz to 25 kHz. For stable dimming down to microamp-level currents, TI recommends using 200 Hz to 1 kHz; frequencies below 100 Hz may cause visible flicker, while frequencies above 5 kHz reduce effective resolution due to finite switch transition times.
How does thermal shutdown behave on the LM3410XMFE/NOPB during sustained overload?
The LM3410XMFE/NOPB activates thermal shutdown at 165°C junction temperature and remains latched off until the die cools to approximately 150°C, providing hysteresis to prevent oscillation. During shutdown, the SW pin floats, DIM pin retains its state, and quiescent current drops to 80 nA-allowing safe recovery without external intervention.
LM3410XMFE/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Regulator
- Topology:
- SEPIC, Step-Up (Boost)
- Internal Switch(s):
- Yes
- Number of Outputs:
- 1
- Voltage - Supply (Min):
- 2.7V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- 3V ~ 24V
- Current - Output / Channel:
- 2.8A (Switch)
- Frequency:
- 1.6MHz
- Dimming:
- PWM
- Applications:
- Backlight
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-5
LM3410XMFE/NOPB FAQ
1.How can I place an order for LM3410XMFE/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM3410XMFE/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM3410XMFE/NOPB reliable?
The price and inventory of LM3410XMFE/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM3410XMFE/NOPB is usually 5 days.
3.What payment methods are accepted for LM3410XMFE/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM3410XMFE/NOPB transactions.
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4.How is shipping managed for LM3410XMFE/NOPB?
LM3410XMFE/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM3410XMFE/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM3410XMFE/NOPB?
For technical support, including LM3410XMFE/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM3410XMFE/NOPB requirements.
6.How does Aetrix verify that LM3410XMFE/NOPB is sourced from the original manufacturer or authorized distributors?
All LM3410XMFE/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM3410XMFE/NOPB meets industry standards.
7.What is the process for return or replacement of LM3410XMFE/NOPB?
All LM3410XMFE/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM3410XMFE/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM3410XMFE/NOPB part is unused and in its original packaging.
Return procedure for LM3410XMFE/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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