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Details for LM25085MYE/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM25085MYE/NOPB
Buy Directly from Texas Instruments (1737 in stock) $0.7100
IC SW BUCK CONTROLLER 42V 8MSOIC REEL
LM25085MYE/NOPB image

LM25085MYE/NOPB by Texas Instruments

IC SW BUCK CONTROLLER 42V 8MSOIC REEL
Features
Adjustable Current Limit Using RDS(ON) or a Current Sense Resistor
Adjustable Output Voltage from 1.25V
Capable of 100% Duty Cycle Operation
Integrated High Voltage Bias Regulator
Internal Soft-Start Timer
LM25085-Q1 is an Automotive Grade product that is AEC-Q100 Grade 1 Qualified (-40u00b0C to 125u00b0C Operating Junction Temperature)
Nearly Constant Operating Frequency with Line and Load Variations
No Loop Compensation Required
Precision u00b12% Feedback Reference
Programmable Switching Frequency to 1MHz
Thermal Shutdown
Ultra-Fast Transient Response
Wide 4.5V to 42V Input Voltage Range
Part Information
LM25085MYE/NOPB image
RoHS Compliant
Description
The LM25085 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 4.5V to 42V 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.
Specifications
Supply Voltage Min:
4.5V
Supply Voltage Max:
42V
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:
MSL 1 - Unlimited
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:
42V
Primary Input Voltage:
42V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down (Buck)
Alternate Descriptions
DC-DC Controller Buck 4.5-42Vin MSOP8 EP RS Components
DC DC Cntrlr Single-OUT Buck 4.5V to 42V Input 8-Pin MSOP EP T/R Avnet America
DC DC Cntrlr Single-OUT Buck 4.5V to 42V Input 8-Pin MSOP EP T/R Avnet Europe
4.5-42V Wide Vin, Constant On-Time Non-Synchronous PFET Buck Controller Texas Instruments