LM3405AXMY/NOPB Part Information
The LM3405A is a 1-A constant current buck LED driver designed to provide a simple, high efficiency solution for driving high power LEDs. With a 0.205-V reference voltage feedback control to minimize power dissipation, an external resistor sets the current as needed for driving various types of LEDs. Switching frequency is internally set to 1.6 MHz, allowing small surface mount inductors and capacitors to be used. The LM3405A uses current-mode control and internal compensation offering ease of use and predictable, high performance regulation over a wide range of operating conditions. With a maximum input voltage of 22 V, the device can drive up to 5 High-Brightness LEDs in series at 1-A forward current, with the single LED forward voltage of approximately 3.7 V. Additional features include user accessible EN/DIM pin for enabling and PWM dimming of LEDs, thermal shutdown, cycle-by-cycle current limit and overcurrent protection.
- 1.6-MHz Switching Frequency
- 300-mu2126 NMOS Switch
- 40-nA Shutdown Current at VIN = 5 V
- Cycle-by-Cycle Current Limit
- Drives up to 5 High-Brightness LEDs in Series at 1 A
- EN/DIM Input for Enabling and PWM Dimming of LEDs
- Input Voltage UVLO
- Internally Compensated Current-mode Control
- Overcurrent Protection
- Thermal Shutdown
- Thin SOT-6 and MSOP-PowerPADu2122-8 Packages
- VIN Operating Range of 3 V to 22 V
|Device Topology||Buck (Step Down)|
|Input Voltage Min||3V|
|Input Voltage Max||22V|
|Output Voltage Max||20V|
|Output Current Max||1A|
|No. of Outputs||1Outputs|
|Driver Case Style||MSOP PowerPAD|
|No. of Pins||8Pins|
|Operating Temperature Min||-40°C|
|Operating Temperature Max||125°C|
|Automotive Qualification Standard||-|
|RoHS Phthalates Compliant||Yes|
|MSL||MSL 1 - Unlimited|
|SVHC||No SVHC (27-Jun-2018)|
Alternative Part Descriptions
- LED DRIVER, BUCK, 1.6MHZ, HVSSOP-8; Device Topology:Buck (Step Down); Input Voltage Min:3V; Input Voltage Max:22V; Output Voltage Max:20V; Output Current Max:1A; Switching Frequency:1.6MHz; No. of Outputs:1Outputs; IC Mounting:SMD; RoHS Compliant: Yes | Newark Electronics
- 1.6-MHz, 1-A constant current buck LED driver with internal compensation | Texas Instruments
Frequently Asked Questions
Where can I find additional details, specifications and documents for a LM3405AXMY/NOPB?
Additional datasheets, footprints and schematics for LM3405AXMY/NOPB are listed in our Part Details tab. You can also find the LM3405AXMY/NOPB image and similar parts on this details page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for LM3405AXMY/NOPB in the Pricing & Inventory tab next to part details. You can view LM3405AXMY/NOPB price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does LM3405AXMY/NOPB fall under?
The LM3405AXMY/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Driver & Interface ICs.
Can I view similar or alternative parts?
You can view similar parts to LM3405AXMY/NOPB when available in the Driver & Interface ICs range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the LM3405AXMY/NOPB you can contact the distributor directly for product support, shipping queries etc.
Is the LM3405AXMY/NOPB RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Farnell.
Which authorised distributors for LM3405AXMY/NOPB have stock available?
Authorised distributors including Newark Electronics and Texas Instruments have stock available or on a lead time for LM3405AXMY/NOPB.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for LM3405AXMY/NOPB often in real-time on the comparison pages.
What if I can't find stock of LM3405AXMY/NOPB?
You can fill out our help required form which you can use to request a quote for LM3405AXMY/NOPB from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.