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Details for LM25085MME/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
LM25085MME/NOPB
Buy Directly from Texas Instruments (6478 in stock) $0.7100
DC/DC CTRL BUCK 1MHZ VSSOP-8
LM25085MME/NOPB image

LM25085MME/NOPB by Texas Instruments

DC/DC CTRL BUCK 1MHZ VSSOP-8
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
LM25085MME/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
Duty Cycle (%):
100%
Controller IC Case Style:
VSSOP
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:
-
MSL:
-
SVHC:
No SVHC (27-Jun-2018)
Alternate Descriptions
DC-DC Controller Buck 4.5-42Vin MSOP8 RS Components
PFET BUCK SWITCHING CONTROLLER MSOP-8; Supply Voltage Min:4.5V; Supply Voltage Max:42V; No. of Outputs:1 Output; Duty Cycle (%):100%; Controller IC Case Style:MSOP; No. of Pins:8Pins; Switching Frequency:1MHz; Product Range:- RoHS Compliant: Yes Newark Electronics
DC DC Cntrlr Single-OUT Buck 4.5V to 42V Input 8-Pin MSOP T/R Avnet America
DC DC Cntrlr Single-OUT Buck 4.5V to 42V Input 8-Pin MSOP T/R Avnet Europe
4.5-42V Wide Vin, Constant On-Time Non-Synchronous PFET Buck Controller Texas Instruments
Switching Regulator IC [Texas Instruments] LM25085MME/NOPB Switching Regulator IC Distrelec