TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 16 Pin |
Supply Voltage (DC) | 90.0V (max) |
Case/Package | TSSOP-16 |
Number of Outputs | 2 Output |
Output Current | 3000 mA |
Rise Time | 20 ns |
Output Power | 300 W |
Switching Frequency | 200kHz ~ 400kHz |
Duty Cycle | 75 % |
Maximum Duty Cycle | 71 % |
Fall Time | 15 ns |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | -40 ℃ |
Supply Voltage | 13V ~ 100V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tube |
Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM5025B is a functional variant of the LM5025 active clamp PWM controller. The functional differences of the LM5025B are as follows:
●The LM5025B PWM controller contains all of the features necessary to implement power converters utilizing 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 1MHz and total PWM and current sense propagation delays less than 100ns.
●The LM5025B includes a high-voltage start-up regulator that operates over a wide input range of 13V to 100V. Additional features include: Line Under Voltage Lockout (UVLO), softstart, oscillator UP/DOWN sync capability, precision reference and thermal shutdown.
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Active Clamp Voltage Mode PWM Controller
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