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Description

General part information

LM5002 Series

The LM5002 high voltage switch mode regulator features all of the functions necessary to implement efficient high voltage boost, flyback, SEPIC and forward converters, using few external components. This easy to use regulator integrates a 75-V N-Channel MOSFET with a 0.5-A peak current limit. Current mode control provides inherently simple loop compensation and line-voltage feed-forward for superior rejection of input transients. The switching frequency is set with a single resistor and is programmable up to 1.5 MHz. The oscillator can also be synchronized to an external clock. Additional protection features include: current limit, thermal shutdown, undervoltage lockout and remote shutdown capability. The device is available in both 8-pin SOIC and 8-pin WSON packages. To create a custom regulator design, use the LM5002 withWEBENCH®Power Designer.

The LM5002 high voltage switch mode regulator features all of the functions necessary to implement efficient high voltage boost, flyback, SEPIC and forward converters, using few external components. This easy to use regulator integrates a 75-V N-Channel MOSFET with a 0.5-A peak current limit. Current mode control provides inherently simple loop compensation and line-voltage feed-forward for superior rejection of input transients. The switching frequency is set with a single resistor and is programmable up to 1.5 MHz. The oscillator can also be synchronized to an external clock. Additional protection features include: current limit, thermal shutdown, undervoltage lockout and remote shutdown capability. The device is available in both 8-pin SOIC and 8-pin WSON packages. To create a custom regulator design, use the LM5002 withWEBENCH®Power Designer.

Technical Specifications

Parameters and characteristics for this part

SpecificationLM5002SD
Current - Output400 mA
Frequency - Switching (Max)1.5 MHz
Frequency - Switching (Min)50 kHz
FunctionStep-Up, Step-Up/Step-Down
Mounting TypeSurface Mount
Number of Outputs1
Operating Temperature (Max)125 °C
Operating Temperature (Min)-40 °C
Output ConfigurationPositive, Isolation Capable
Output TypeAdjustable
Package / Case8-WDFN Exposed Pad
Package Length4 mm
Package Name8-WSON
Package Width4 mm
Synchronous RectifierNo
TopologyFlyback, Forward Converter, Boost, SEPIC
Voltage - Input (Max)75 V
Voltage - Input (Min)3.1 V
Voltage - Output (Max)76 V
Voltage - Output (Min/Fixed)3.1 V

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