LM5025DMTC/NOPB Part Information

Details for LM5025DMTC/NOPB by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The LM5025D is a functional variant of the LM5025 active clamp PWM controller. The functional differences of the LM5025D are: • The CS1 and CS2 absolute maximum ratings have been increased to 7 V. • The CS1 and CS2 current limit thresholds have been increased to 0.5 V. • The internal CS2 filter discharge device has been disabled and no longer operates each clock cycle. • The internal VCC and VREF regulators continue to operate when the line UVLO pin is below threshold. The LM5025D PWM controller contains all of the features necessary to implement power converters utilizing the Active Clamp and Reset technique. With the active clamp technique, higher efficiencies and greater power densities can be realized compared to conventional catch winding or RDC clamp and reset techniques. Two control outputs are provided, the main power switch control (OUT_A) and the active clamp switch control (OUT_B). The two internal compound gate drivers parallel both MOS and Bipolar devices, providing superior gate drive characteristics. This controller is designed for high-speed operation including an oscillator frequency range up to 1 MHz and total PWM and current sense propagation delays less than 100 ns. The LM5025D includes a highvoltage start-up regulator that operates over a wide input range of 13 V to 90 V. Additional features include: Line Under-Voltage Lockout (UVLO), softstart, oscillator UP and DOWN sync capability, precision reference and thermal shutdown.

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Part Features

  • 3-A Compound Main Gate Driver
  • Adjustable Dual Mode Over-Current Protection
  • Internal Start-Up Bias Regulator
  • Leading Edge Blanking
  • Oscillator Up and Down Sync Capability
  • Precision 5-V Reference
  • Programmable Line Under-Voltage Lockout (UVLO) with Adjustable Hysteresis
  • Programmable Overlap or Deadtime Between the Main and Active Clamp Outputs
  • Programmable Soft-Start
  • Single Resistor Programmable Oscillator
  • Thermal Shutdown
  • Volt x Second Clamp
  • Voltage Mode Control with Feed-Forward

Part Specifications

Input Voltage -
Output Voltage -
Output Current 3A
Supply Voltage Min 13V
Supply Voltage Max 90V
Controller IC Case Style TSSOP
No. of Pins 16Pins
Frequency 1MHz
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)
RoHS Compliant

Frequently Asked Questions

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What category does LM5025DMTC/NOPB fall under?

The LM5025DMTC/NOPB is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.

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Is the LM5025DMTC/NOPB RoHS compliant?

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

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