LM5025MTC/NOPB Part Information

Details for LM5025MTC/NOPB by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Description

The LM5025 PWM controller contains all of the features necessary to implement power converters using the active clamp and reset technique. The device can be configured to control either a P-channel clamp switch or an N-channel clamp switch. 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 active clamp output can be configured for either a specified overlap time (for P-channel switch applications) or a specified deadtime (for N_channel applications). The two internal compound gate drivers parallel both MOS and bipolar devices, providing superior gate drive characteristics. This controller is designed for highspeed operation including an oscillator frequency range up to 1 MHz and total PWM and current sense propagation delays less than 100 ns. The LM5025 includes a high-voltage start-up regulator that operates over a wide input range of 13 V to 90 V. Additional features include: line undervoltage lockout (UVLO), soft-start, oscillator UP and DOWN sync capability, precision reference and thermal shutdown.

Part Downloads

Part Features

  • 3-A Compound Main Gate Driver
  • Adjustable Dual-Mode Overcurrent Protection
  • Internal Start-Up Bias Regulator
  • Leading Edge Blanking
  • Oscillator UP and DOWN Sync Capability
  • Precision 5-V Reference
  • Programmable Line Undervoltage 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 u00d7 Second Clamp
  • Voltage Mode Control With Feed-Forward

Part Specifications

Input Voltage -
Output Voltage -
Output Current 10mA
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

Alternative Part Descriptions

  • 90V active clamp voltage mode PWM controller with P or N-channel clamp FET and 0.25V CS threshold | Texas Instruments
  • Switching controller IC [Texas Instruments] LM5025MTC/NOPB Switching controller IC | Distrelec

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