LT3748EMS#PBF Flyback, Forward, and Isolated Controller by Analog Devices

Status: Production
Series: LT3748
RoHS: Compliant
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The LT3748 is a switching regulator controller specifically designed for the isolated flyback topology and capable of high power. It drives a low side external N-channel power MOSFET from an internally regulated 7V supply. No third winding or opto-isolator is required for regulation as the part senses the isolated output voltage directly from the primary-side flyback waveform.The LT3748 utilizes boundary mode to provide a small magnetic solution without compromising load regulation. Operating frequency is set by load current and transformer magnetizing inductance. The gate drive of the LT3748 combined with a suitable external MOSFET allow it to deliver load power up to several tens of watts from input voltages as high as 100V.The LT3748 is available in a high voltage 16-lead MSOP package with four leads removed.

Where to Buy

Prices starting from US$3.75

Distributor Stock
Logo for Analog Devices
Analog Devices
from US$3.75
2,487
in stock
Buy Now
Logo for Newark Electronics
Newark Electronics
from US$6.70
299
in stock
Buy Now
Logo for element14
element14
from US$5.01
299
in stock
Buy Now
Logo for Farnell
Farnell
from US$4.84
299
in stock
Buy Now
Logo for Chip One Stop
Chip One Stop
from US$4.62
192
in stock
Buy Now
Logo for Richardson RFPD
Richardson RFPD
from US$4.85
5
in stock
Buy Now

Features

5V to 100V Input Voltage Range
1.9A Average Gate Drive Source and Sink Current
Boundary Mode Operation
No Transformer Third Winding or Opto-Isolator Required for Regulation
Primary-Side Winding Feedback Load Regulation
VOUT Set with Two External Resistors
INTVCC Pin for Control of Gate Driver Voltage
Programmable Soft Start
Programmable Undervoltage Lockout
Available in MSOP Package
AEC-Q100 Qualified for Automotive Applications

Alternative Descriptions

100V Iso Fly Cntr | Analog Devices
Dc/Dc Ctrl, Isolated Flyback, 125Deg C | Newark Electronics
DC / DC CTRL, ISOLATED FLYBACK, 125DEG C | element14
POWER MANAGEMENT IC | Richardson RFPD


LT3748EMS#PBF Semiconductors - ICs by Linear Technology

DC/DC FLYBACK 100V 1.9A ADJ 16MSOP

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Supply Voltage Min 5V
Supply Voltage Max 100V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) -
Controller IC Case Style MSOP
No. of Pins 16Pins
Switching Frequency -
Topology Flyback
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Base Number 3748
Operating Temperature Range -40°C to +125°C
Output Current 1.9A
Primary Input Voltage 100V

Frequently Asked Questions

Where can I find additional details, specifications and documents for a LT3748EMS#PBF?

Additional datasheets, footprints and schematics for LT3748EMS#PBF are listed on our Part Details page. You can also find images and similar parts to LT3748EMS#PBF on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for LT3748EMS#PBF on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LT3748EMS#PBF price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does LT3748EMS#PBF fall under?

The LT3748EMS#PBF is listed under Flyback, Forward, and Isolated Controller.

Can I view similar or alternative parts?

You can view similar parts to LT3748EMS#PBF when available in the Flyback, Forward, and Isolated Controller 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 LT3748EMS#PBF you can contact the distributor directly for product support, shipping queries etc.

Is the LT3748EMS#PBF RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

Which authorised distributors for LT3748EMS#PBF have stock available?

Authorised distributors including Analog Devices, Newark Electronics, element14, Farnell and Chip One Stop have stock available or on a lead time for LT3748EMS#PBF.

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

Stock availability and lead times will be displayed for LT3748EMS#PBF often in real-time on the comparison pages.

What if I can't find stock of LT3748EMS#PBF?

You can fill out our help required form which you can use to request a quote for LT3748EMS#PBF 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.

We use cookies to improve your experience. See our privacy policy.
Okay