LM5026MT

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> Semiconductors - ICs

> Power Management

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Series Information for LM5026MT - Texas Instruments

Features

  • feature
    3-A Compound Main Gate Driver
  • feature
    Current-Mode Control
  • feature
    High Bandwidth Optocoupler Interface
  • feature
    Internal 100-V Start-Up Bias Regulator
  • feature
    Leading Edge Blanking
  • feature
    Oscillator Sync I/O Capability
  • feature
    Precision 5-V Reference
  • feature
    Programmable Line Undervoltage Lockout (UVLO) With Adjustable Hysteresis
  • feature
    Programmable Maximum Duty Cycle Clamp
  • feature
    Programmable Overlap or Deadtime between the Main and Active Clamp Outputs
  • feature
    Programmable Soft-Start
  • feature
    Resistor Programmed 1-MHz Capable Oscillator
  • feature
    Versatile Dual Mode Overcurrent Protection With Hiccup Delay Timer

Description

IC PWM ACTIVE CUR MODE POWERWISE
The LM5026 PWM controller contains all of the features necessary to implement power converters utilizing the active clamp and reset technique with current-mode control. 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 device can be configured to control either a P-Channel or N-Channel clamp switch. The main gate driver features a compound configuration, consisting of both MOS and Bipolar devices, providing superior gate drive characteristics. The LM5026 can be configured to operate with bias voltages over a wide input range of 8 V to 100 V. Additional features include programmable maximum duty cycle, line undervoltage lockout, cycle-by-cycle current limit, hiccup mode fault operation with adjustable timeout delay, PWM slope compensation, soft-start, 1-MHz capable oscillator with synchronization input and output capability, precision reference, and thermal shutdown.

Specifications

Input Voltage:
48V
Output Voltage:
-
Output Current:
3A
Supply Voltage Min:
8V
Supply Voltage Max:
15V
Controller IC Case Style:
TSSOP
No. of Pins:
16Pins
Frequency:
590kHz
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)
Base Number:
5026
Controller Type:
PWM
Input Voltage Max:
100V
Operating Temperature Range:
-40°C to +125°C
Output Voltage Max:
3.3V
Supply Voltage Range:
8V to 15V
Termination Type:
Surface Mount Device

Alternate Descriptions

Avnet Europe

Current Mode PWM Controller 3A 16-Pin TSSOP Rail