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TI LM5085QMYX/NOPBRoHS

Manufacturer
TI
MPN
LM5085QMYX/NOPB
LCSC Part #
C1848487
Packaging
MSOP-8-EP
Customer #
Key Attributes
75-V Constant On-Time PFET Buck Switching Controller
Datasheetpdf iconTI LM5085QMYX/NOPB
In-Stock: 129
129 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 3.3695$ 3.37
10+$ 2.8758$ 28.76
30+$ 2.5819$ 77.46
100+$ 2.2847$ 228.47
500+$ 2.1467$ 1073.35
1,000+$ 2.085$ 2085.00
Standard Packaging3500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerTI
PackagingMSOP-8-EP
Synchronous RectifierNo
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Overcurrent Protection;Built-in LDO regulator
Number of Channels1
TopologyBuck
Operating Voltage4.5V~75V
Switch tube (built-in/external)External
Output Voltage-
Operating Temperature-40℃~+125℃@(TJ)
Output Current-
Frequency - Switching1MHz
Output TypeAdjustable
FunctionStep-down type
Quiescent Current1.3mA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3500
Sales UnitPiece

Introduction

AI Translation

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.

Features

AI Translation
  • LM5085-Q1 is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified (-40°C to 125°C Operating Junction Temperature)
  • Wide 4.5-V to 75-V Input Voltage Range
  • Adjustable Current Limit Using RDS(ON) or a Current Sense Resistor
  • Programmable Switching Frequency to 1MHz
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Nearly Constant Operating Frequency with Line and Load Variations
  • Adjustable Output Voltage from 1.25 V
  • Precision ±2% Feedback Reference
  • Capable of 100% Duty Cycle Operation
  • Internal Soft-start Timer
  • Integrated High Voltage Bias Regulator
  • Thermal Shutdown
  • Package: HVSSOP-8, VSSOP-8, WSON-8

Applications

AI Translation
  • Automotive Infotainment
  • Battery/Super Capacitor Chargers
  • LED Drivers