LM5025ASD/NOPB

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Details for Texas Instruments

LM5025ASD/NOPB

Active Clamp Voltage Mode PWM Controller
Buy Directly from Texas Instruments (5025 in Stock)
$1.0800 per unit
Series Information for LM5025ASD/NOPB - Texas Instruments

Features

  • feature
    3-A Compound Main Gate Driver
  • feature
    Adjustable Dual Mode Overcurrent Protection
  • feature
    Internal Start-Up Bias Regulator
  • feature
    Leading Edge Blanking
  • feature
    Oscillator UP and DOWN Sync Capability
  • feature
    Packages:
  • feature
    Precision 5-V Reference
  • feature
    Programmable Line Undervoltage Lockout (UVLO) With Adjustable Hysteresis
  • feature
    Programmable Overlap or Dead Time Between the Main and Active Clamp Outputs
  • feature
    Programmable Soft Start
  • feature
    Single Resistor Programmable Oscillator
  • feature
    Thermal Shutdown
  • feature
    Volt u00d7 Second Clamp
  • feature
    Voltage Mode Control With Feedforward

Description

DC-DC CNTRL ACTIVE CLAMP 16LLP
The LM5025A is a functional variant of the LM5025 active clamp PWM controller. The functional differences of the LM5025A are that 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, and the internal VCC and VREF regulators continue to operate when the line UVLO pin is below threshold. The LM5025A PWM controller contains all of the features necessary to implement power converters using the Active Clamp / Reset technique. With the active clamp technique, higher efficiencies and greater power densities can be realized compared to conventional catch winding or RDC clamp / 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 LM5025A includes a highvoltage 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.

Specifications

Input Voltage:
13V
Output Voltage:
-
Output Current:
-
Supply Voltage Min:
13V
Supply Voltage Max:
90V
Controller IC Case Style:
WSON
No. of Pins:
16Pins
Frequency:
650kHz
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Base Number:
5025
No. of Outputs:
2Outputs
Operating Temperature Range:
-40°C to +125°C
Primary Input Voltage:
90V

Alternate Descriptions

Avnet America

Voltage Mode PWM Controller 3A/1A 16-Pin LLP EP T/R

Avnet America product

Avnet Europe

Voltage Mode PWM Controller 3A/1A 16-Pin LLP EP T/R

Avnet Europe product

Texas Instruments

Active Clamp Voltage Mode PWM Controller

Texas Instruments product