LM3421MH/NOPB Part Information

Details for LM3421MH/NOPB by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Driver & Interface ICs

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Part Features

  • 2-u2126, 1-A Peak MOSFET Gate Driver
  • Cycle-by-Cycle Current Limit
  • Fault Status Flag and Timer (LM3423/23Q1/23Q0
  • High-Side Adjustable Current Sense
  • Input Undervoltage and Output Overvoltage Protection
  • LED Output Status Flag (LM3423/23Q1/23Q0 Only)
  • LM3421Q0/LM3423Q0 are Automotive Grade Products That are AEC-Q100 Grade 0 Qualified
  • LM3421Q1/LM3423Q1 are Automotive Grade Products That are AEC-Q100 Grade 1 Qualified
  • PWM and Analog Dimming
  • Programmable Switching Frequency
  • VIN Range From 4.5 V to 75 V
  • Zero Current Shutdown and Thermal Shutdown

Part Specifications

Device Topology Boost Buck Buck-Boost Flyback SEPIC
Input Voltage Min 4.5V
Input Voltage Max 75V
Output Voltage Max 72V
Output Current Max 5A
Switching Frequency 2MHz
IC Mounting SMD
RoHS Compliant

Alternative Part Descriptions

  • LED DRIVER, BUCK-BOOST/FLYBACK TSSOP16;; MSL:MSL 1 - Unlimited; SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes | Newark Electronics
  • N-channel controllers for constant current LED drivers with series DIM FET driver | Texas Instruments

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LM3421MH/NOPB?

Additional datasheets, footprints and schematics for LM3421MH/NOPB are listed in our Part Details tab. You can also find the LM3421MH/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 LM3421MH/NOPB in the Pricing & Inventory tab next to part details. You can view LM3421MH/NOPB price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does LM3421MH/NOPB fall under?

The LM3421MH/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 LM3421MH/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 LM3421MH/NOPB you can contact the distributor directly for product support, shipping queries etc.

Is the LM3421MH/NOPB RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Farnell.

Which authorised distributors for LM3421MH/NOPB have stock available?

Authorised distributors including Newark Electronics and Texas Instruments have stock available or on a lead time for LM3421MH/NOPB.

How do I check stock and lead times for all distributors?

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