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Details for LM5026MT by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
IC PWM ACTIVE CUR MODE POWERWISE
LM5026MT image

LM5026MT by Texas Instruments

IC PWM ACTIVE CUR MODE POWERWISE
Features
3-A Compound Main Gate Driver
Current-Mode Control
High Bandwidth Optocoupler Interface
Internal 100-V Start-Up Bias Regulator
Leading Edge Blanking
Oscillator Sync I/O Capability
Precision 5-V Reference
Programmable Line Undervoltage Lockout (UVLO) With Adjustable Hysteresis
Programmable Maximum Duty Cycle Clamp
Programmable Overlap or Deadtime between the Main and Active Clamp Outputs
Programmable Soft-Start
Resistor Programmed 1-MHz Capable Oscillator
Versatile Dual Mode Overcurrent Protection With Hiccup Delay Timer
Part Information
LM5026MT image
RoHS Compliant
Description
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
Current Mode PWM Controller 3A 16-Pin TSSOP Rail Avnet Europe