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Details for Texas Instruments


PWM Controller with Integrated Half-Bridge and SyncFET Drivers
Buy Directly from Texas Instruments (10444 in Stock)
$2.0400 per unit
Series Information for LM5035CMH/NOPB - Texas Instruments


  • feature
    105-V and 2-A Half-Bridge Gate Drivers
  • feature
    5-V Reference Output
  • feature
    Adjustable Soft Start
  • feature
    Cycle-by-Cycle Overcurrent Protection
  • feature
    Direct Opto-coupler Interface
  • feature
    High Voltage (105 V) Start-Up Regulator
  • feature
    Internal Thermal Shutdown Protection
  • feature
    Logic Level Synchronous Rectifier Drives
  • feature
  • feature
    Programmable Line Undervoltage Lockout and Overvoltage Protection
  • feature
    Reduced Dead Time Between High and Low-Side Drive for Higher Maximum Duty Cycle.
  • feature
    Resistor Programmed, 2-MHz Capable Oscillator
  • feature
    Synchronous Rectifier Control Outputs With Programmable Delays
  • feature
    Versatile Dual Mode Overcurrent Protection With Hiccup Delay Timer
  • feature
    Voltage Mode Control With Line Feedforward and Volt Second Limiting


The LM5035C half-bridge controller and gate driver contains all of the features necessary to implement half-bridge topology power converters using voltage mode control with line voltage feedforward. The LM5035C is a functional variant of the LM5035B half-bridge PWM controller. The amplitude of the SR1 and SR2 waveforms are 5 V instead of the VCC level. Also, the soft-stop function is disabled in the LM5035C. The LM5035, LM5035A, LM5035B, and LM5035C include a floating high-side gate driver, which is capable of operating with supply voltages up to 105 V. Both the high-side and low-side gate drivers are capable of 2-A peak. An internal high-voltage start-up regulator is included, along with programmable line undervoltage lockout (UVLO) and overvoltage protection (OVP). The oscillator is programmed with a single resistor to frequencies up to 2 MHz. The oscillator can also be synchronized to an external clock. A current sense input and a programmable timer provide cycle-by-cycle current limit and adjustable hiccup mode overload protection. The differences between LM5035, LM5035A, LM5035B, and LM5035C are summarized in the Device Comparison Table.


Input Voltage:
Output Current:
Supply Voltage Range:
13V to 105V
Digital IC Case Style:
No. of Pins:
Operating Temperature Range:
-40°C to +125°C

Alternate Descriptions

Avnet America

Voltage Mode PWM Controller 2A 20-Pin TSSOP EP Rail

Avnet America product

Avnet Europe

Voltage Mode PWM Controller 2A 20-Pin TSSOP EP Rail

Avnet Europe product

Texas Instruments

PWM Controller with Integrated Half-Bridge and SyncFET Drivers

Texas Instruments product