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LM5022MM
60V Wide Vin Low Side Controller for Boost and SEPIC
VINCOMP
VCC
OUT
UVLO GND D1R1CSSCIN
RUV1
RUV2
RFB1
RFB2
RSNS
VIN VO
CCS
RS1
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Design Internal 60-V Start-Up Regulator 1-A Peak MOSFET Gate Driver VIN Range:6Vto60V (Operates Downto3V
After Start-Up) Duty Cycle Limitof 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 Boost Converters SEPIC Converters
channel MOSFET controller ideal for usein boost and
SEPIC regulators.It contains all of the features
required to implement single-ended primary
topologies. Output voltage regulationis based on
current-mode control, which eases the designof loop
compensation while providing inherent input voltage
feedforward. The LM5022 includes a start-up
regulator that operates overa wide input rangeof6V 60 V. The PWM controlleris designed for high-
speed capability including an oscillator frequency
range upto 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 LM5022is
availablein the 10-pin VSSOP package.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe data sheet.
Typical Application
