LM5085MYE Semiconductors - ICs by Texas Instruments

IC BUCK CONTROLLER 75V 8MSOP

Electronic & Electrical Components>Semiconductors - ICs>Power Management
Status: Unknown
Series: -
RoHS: Unknown
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The LM5085 is a high efficiency PFET switching regulator controller that can be used to quickly and easily develop a small, efficient buck regulator for a wide range of applications. This high voltage controller contains a PFET gate driver and a high voltage bias regulator which operates over a wide 4.5-V to 75-V input range. The constant on-time regulation principle requires no loop compensation, simplifies circuit implementation, and results in ultrafast load transient response. The operating frequency remains nearly constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The PFET architecture allows 100% duty cycle operation for a low dropout voltage. Either the RDS(ON) of the PFET or an external sense resistor can be used to sense current for overcurrent detection.

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Specifications

Supply Voltage Min 4.5V
Supply Voltage Max 75V
No. of Outputs 1 Output, 1Outputs
Duty Cycle (%) 100%
Controller IC Case Style MSOP
No. of Pins 8Pins
Switching Frequency 1MHz
Topology Buck (Step Down)
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)
Adjustable Output Voltage Min 1.25V
Frequency 1MHz
Operating Temperature Range -40°C to +125°C
Output Current 10A
Output Current Max 500mA
Output Voltage 75V
Primary Input Voltage 75V
Termination Type Surface Mount Device
Voltage Regulator Type Step Down (Buck)

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