LM3481QMM/NOPB

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Details for Texas Instruments

LM3481QMM/NOPB

48V Wide Vin High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters
Buy Directly from Texas Instruments (4406 in Stock)
$0.9600 per unit
Series Information for LM3481QMM/NOPB - Texas Instruments

Features

  • feature
    10-Lead VSSOP Package
  • feature
    Adjustable Undervoltage Lockout With Hysteresis
  • feature
    Create a Custom Design Using the LM3481 with
  • feature
    Current Limit and Thermal Shutdown
  • feature
    Current Mode Operation
  • feature
    Frequency Compensation Optimized With a Capacitor and a Resistor
  • feature
    Internal Push-Pull Driver With 1-A Peak Current Capability
  • feature
    Internal Softstart
  • feature
    Key Specifications u2013 Wide Supply Voltage Range of 2.97 V to 48 V u2013 100-kHz to 1-MHz Adjustable and Synchronizable Clock Frequency u2013 u00b11.5% (Over Temperature) Internal Reference u2013 10-u00b5A Shutdown Current (Over Temperature)
  • feature
    LM3481QMM are Automotive-Grade Products That are AEC-Q100 Grade 1 Qualified (u201340u00b0C to +125u00b0C Operating Junction Temperature)
  • feature
    Pulse Skipping at Light Loads

Description

MOSFET DRIVER LOW SIDE 1A VSSOP-10
The LM3481 device is a versatile Low-Side N-FET high-performance controller for switching regulators. The device is designed for use in Boost, SEPIC and Flyback converters and topologies requiring a lowside FET as the primary switch. The LM3481 device can be operated at very high switching frequencies to reduce the overall solution size. The switching frequency of the LM3481 device can be adjusted to any value between 100kHz and 1MHz by using a single external resistor or by synchronizing it to an external clock. Current mode control provides superior bandwidth and transient response in addition to cycle-by-cycle current limiting. Current limit can be programmed with a single external resistor. The LM3481 device has built-in protection features such as thermal shutdown, short-circuit protection and overvoltage protection. Power-saving shutdown mode reduces the total supply current to 5 µA and allows power supply sequencing. Internal soft-start limits the inrush current at start-up. Integrated current slope compensation simplifies the design and, if needed for specific applications, can be increased using a single resistor.

Specifications

Driver Configuration:
Low Side
Peak Output Current:
1A
Supply Voltage Min:
2.97V
Supply Voltage Max:
48V
Driver Case Style:
VSSOP
No. of Pins:
10Pins
Input Delay:
25ns
Output Delay:
25ns
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 (27-Jun-2018)

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Step Up 10-Pin MSOP T/R

Avnet America product

Avnet Europe

DC DC Cntrlr Single-OUT Step Up 10-Pin MSOP T/R

Avnet Europe product

Texas Instruments

48V Wide Vin High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters

Texas Instruments product

Conrad

Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product