LM5025DMTC/NOPB

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> Semiconductors - ICs

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Series Information for LM5025DMTC/NOPB - Texas Instruments

Features

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

Description

PWM CONTROLLER 90V TSSOP-16
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.

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)

Alternate Descriptions

Avnet Europe

Voltage Mode PWM Controller 3000mA 16-Pin TSSOP T/R

Avnet Europe product