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Details for LM5025ASD/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC-DC CNTRL ACTIVE CLAMP 16LLP
LM5025ASD/NOPB image

LM5025ASD/NOPB by Texas Instruments

DC-DC CNTRL ACTIVE CLAMP 16LLP
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
Packages:
Precision 5-V Reference
Programmable Line Undervoltage Lockout (UVLO) With Adjustable Hysteresis
Programmable Overlap or Dead Time Between the Main and Active Clamp Outputs
Programmable Soft Start
Single Resistor Programmable Oscillator
Thermal Shutdown
Volt u00d7 Second Clamp
Voltage Mode Control With Feedforward
Part Information
LM5025ASD/NOPB image
RoHS Compliant
Description
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
Voltage Mode PWM Controller 3A/1A 16-Pin LLP EP T/R Avnet America
Voltage Mode PWM Controller 3A/1A 16-Pin LLP EP T/R Avnet Europe