LM3410XQMFX
Boost/SEPIC Constant Current LED DriverThe LM3410XQMFX is a boost/sepic constant current led driver from Texas Instruments. View the full LM3410XQMFX datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
LM3410XQMFX shares its datasheet with LM3410, whose page lists every part number it covers.
Official LM3410XQMFX datasheet (PDF) — the source this page was extracted from.
LM3410XQMFX Key Specifications
| Parameter | Value |
|---|---|
| Efficiency | up to 88% |
| Qualification | AEC-Q100 Grade 1 |
| Shutdown Current | 80 nA typ |
| Thermal Shutdown | 165°C |
| Maximum Duty Cycle | 92% typ (88% min) |
| Input Voltage Range | 2.7V to 5.5V |
| Switching Frequency | 1.6 MHz typ (1200 to 2000 kHz) |
| Output Voltage Range | 3V to 24V |
| Switch Current Limit | 2.1A min, 2.8A typ |
| Feedback Reference Voltage | 190 mV (178 to 202 mV) |
| Junction Temperature Range | -40°C to 125°C |
| Quiescent Current (Switching) | 7.0 mA typ, 11 mA max |
| Switch On-Resistance (SOT-23) | 170 mΩ typ, 330 mΩ max |
| Undervoltage Lockout (Rising) | 2.3V typ |
| Thermal Resistance θJA (SOT-23) | 118 °C/W |
LM3410XQMFX Overview
Part: LM3410, LM3410-Q1 — Texas Instruments
Type: Constant-Current Boost and SEPIC LED Driver (PWM DC-DC converter)
Description: 2.7–5.5 V input, 525 kHz (LM3410Y) or 1.6 MHz (LM3410X) constant-current boost/SEPIC LED driver with 2.8 A (typ) switch current limit, 170 mΩ NMOS switch, and 190 mV feedback reference.
Operating Conditions:
- Supply voltage: 2.7–5.5 V
- Operating junction temperature: -40 to 125 °C
- Switch output voltage (VSW): 3–24 V
- DIM input: 0 to VIN
Absolute Maximum Ratings:
- Input voltage: -0.5 to 7 V (the pin-to-rating mapping of the other rows, -0.5 to 26.5 V, -0.5 to 3 V and -0.5 to 7 V, is not preserved in the extracted table)
- Max junction temperature: 150 °C
- Storage temperature: -65 to 150 °C
- ESD: HBM ±2000 V, CDM ±1000 V
Key Specs:
- Feedback voltage VFB: 178 / 190 / 202 mV (min/typ/max)
- Switching frequency: LM3410X 1200 / 1600 / 2000 kHz; LM3410Y 360 / 525 / 680 kHz
- Switch current limit: 2.1 min, 2.8 typ A
- RDS(ON): MSOP and SOT-23 170 mΩ typ, 330 mΩ max; WSON 190 mΩ typ, 350 mΩ max
- Maximum duty cycle: LM3410X 92% typ; LM3410Y 95% typ
- Quiescent current (switching, VFB = 0.25 V): LM3410X 7 mA typ, 11 mA max; LM3410Y 3.4 mA typ, 7 mA max
- Shutdown quiescent current (VDIM = 0 V): 80 nA typ
- UVLO: 2.3 V typ, 2.65 V max (VIN rising); 1.9 V typ (VIN falling)
- Thermal shutdown: 165 °C typ
Features:
- AEC-Q100 qualified, Grade 1 (-40 to 125 °C ambient)
- Output voltage 3–24 V
- Current-mode PWM operation with internal compensation
- Internal soft start
- PWM dimming via DIM pin (duty cycle 0–100%)
- Cycle-by-cycle current limit
- Thermal shutdown
- Efficiency up to 88%
Applications:
- LED backlight current sources
- LiIon backlight OLED and HB LED drivers
- Handheld devices
- LED flash drivers
- Automotive applications
Package:
- WSON (6), 3.00 mm × 3.00 mm (NGG)
- MSOP-PowerPAD (8), 2.90 mm × 1.60 mm (DGN)
- SOT-23 (5), 3.00 mm × 3.00 mm (DBV)
LM3410XQMFX Features
- 1 · Qualified for Automotive Applications
- AEC-Q100 Test Guidance With the Following:
- -Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
- -Device HBM ESD Classification Level 2
- -Device CDM ESD Classification Level C6
- Space-Saving SOT-23 and WSON Packages
- Input Voltage From 2.7 V to 5.5 V
- Output Voltage From 3 V to 24 V
- 2.8-A (Typical) Switch Current Limit
- High Switching Frequency
- -525 KHz (LM3410Y)
- -1.6 MHz (LM3410X)
- 170-m Ω NMOS Switch
- 190-mV Internal Voltage Reference
- Internal Soft Start
- Current-Mode, PWM Operation
- Thermal Shutdown
LM3410XQMFX Applications
- LED Backlight Current Sources
- LiIon Backlight OLED and HB LED Drivers
- Handheld Devices
- LED Flash Drivers
- Automotive Applications
LM3410XQMFX Pin Configuration
LM3410XQMFX Electrical Characteristics
Typical values apply for TJ = 25°C; Minimum and maximum limits apply for TJ = -40°C to 125°C and VIN = 5 V (unless otherwise noted). Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only.
| PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| V FB | Feedback voltage | 178 | 190 | 202 | mV | |
| Δ V FB /V IN | Feedback voltage line regulation | V IN = 2.7 V to 5.5 V | 0.06 | %/V | ||
| I FB | Feedback input bias current | 0.1 | 1 | μA | ||
| f SW | Switching frequency | LM3410X | 1200 | 1600 | 2000 | kHz |
| f SW | Switching frequency | LM3410Y | 360 | 525 | 680 | kHz |
| D MAX | Maximum duty cycle | LM3410X | 88% | 92% | ||
| D MAX | Maximum duty cycle | LM3410Y | 90% | 95% | ||
| D MIN | Minimum duty cycle | LM3410X | 5% | |||
| D MIN | Minimum duty cycle | LM3410Y | 2% | |||
| R DS(ON) | Switch on resistance | MSOP and SOT-23 | 170 | 330 | m Ω | |
| R DS(ON) | Switch on resistance | WSON | 190 | 350 | m Ω | |
| I CL | Switch current limit | 2.1 | 2.8 | A | ||
| SU | Start-up time | 20 | μs | |||
| I Q | Quiescent current (switching) | LM3410X, V FB = 0.25 V | 7 | 11 | mA | |
| I Q | Quiescent current (switching) | LM3410Y, V FB = 0.25 V | 3.4 | 7 | mA | |
| I Q | Quiescent current (shutdown) | All versions, V DIM = 0 V | 80 | nA | ||
| UVLO | Undervoltage lockout | V IN rising | 2.3 | 2.65 | V | |
| UVLO | Undervoltage lockout | V IN falling | 1.7 | 1.9 | V | |
| V DIM_H | Shutdown threshold voltage | 0.4 | V | |||
| V DIM_H | Enable threshold voltage | 1.8 | V | |||
| I SW | Switch leakage | V SW = 24 V | 1 | μA | ||
| I DIM | Dimming pin current | Sink and source | 100 | nA | ||
| T SD | Thermal shutdown temperature (1) | 165 | °C |
LM3410XQMFX Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1)(2)
| MIN | MAX | UNIT | |
|---|---|---|---|
| Input voltage | -0.5 | 7 | V |
| Input voltage | -0.5 | 26.5 | V |
| -0.5 | 3 | V | |
| -0.5 | 7 | V | |
| Operating juction temperature (3) , T J | 150 | °C | |
| Storage temperature, T stg | -65 | 150 | °C |
LM3410XQMFX Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V IN | Input voltage | 2.7 | 5.5 | V |
| V DIM | DIM control input (1) | 0 | V IN | V |
| V SW | Switch output | 3 | 24 | V |
| T J | Operating junction temperature | -40 | 125 | °C |
| Power dissipation (Internal) | 400 | mW |
LM3410XQMFX Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | THERMAL METRIC (1) | LM3410, LM3410-Q1 - NGG (WSON) | LM3410, LM3410-Q1 - DGN (MSOP- PowerPAD) | LM3410, LM3410-Q1 - DBV (SOT-23) | UNIT |
|---|---|---|---|---|---|---|
| 6 PINS | 8 PINS | 5 PINS | ||||
| R θ JA | Junction-to-ambient thermal resistance | 0 LFPM Air Flow | 55.3 | 53.7 | 164.2 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 65.9 | 61.4 | 115.3 | °C/W | |
| R θ JB | Junction-to-board thermal resistance | 29.6 | 37.3 | 27 | °C/W | |
| ψ JT | Junction-to-top characterization parameter | 1.1 | 7.1 | 12.8 | °C/W | |
| ψ JB | Junction-to-board characterization parameter | 29.7 | 37 | 26.5 | °C/W | |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | 9.3 | 6.8 | - | °C/W |
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| LM3410 | Texas Instruments | — |
| LM3410XMY/NOPB | Texas Instruments | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) |
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