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LM5022MM device is a high-voltage, low-side, N-channel MOSFET controller ideal for use in boost and SEPIC regulators. It contains all of the features required to implement single-ended primary topologies. Output voltage regulation is based on current-mode control, which eases the design of loop compensation while providing inherent input voltage feedforward. The LM5022MM includes a start-up regulator that operates over a wide input range of 6 V to 60 V. The PWM controller is designed for high-speed capability including an oscillator frequency range up to 2.2 MHz and total propagation delays less than 100 ns. Additional features include an error amplifier, precision reference, line undervoltage lockout, cycle-by-cycle current limit, slope compensation, soft start, external synchronization capability, and thermal shutdown. The LM5022MM is available in the 10-pin VSSOP package.

Specification Of LM5022MM

Topology:Boost, Flyback, SEPIC

Number of Outputs:1 Output

Switching Frequency:200 kHz to 2.2 MHz

Duty Cycle - Max:90 %

Output Voltage:1.25 V to 300 V

Output Current:10 A

Minimum Operating Temperature:- 40 C

Maximum Operating Temperature:+ 125 C

Operating Supply Current:3.5 mA

Unit Weight:633 mg

Features Of LM5022MM

Internal 60-V start-up regulator

1-A Peak MOSFET gate driver

VIN Range: 6 V to 60 V (operates down to 3 V after start-up)

Duty cycle limit of 90%

Programmable UVLO with hysteresis

Cycle-by-cycle current limit

External synchronizable (AC-coupled)

Single resistor oscillator frequency set

Slope compensation

Adjustable soft start

10-Pin VSSOP package

Applications Of LM5022MM

Boost converters

SEPIC converters

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