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ADI LTM4651EY#PBF product image
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ADI LTM4651EY#PBFRoHS

Manufacturer
ADI
MPN
LTM4651EY#PBF
LCSC Part #
C690587
Packaging
BGA-77
Customer #
Key Attributes
58V, 24W Inverting-Output DC/DC μModule Regulator
Datasheetpdf iconADI LTM4651EY#PBF
In-Stock: 163
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QtyUnit PriceTotal Amount
1+$ 42.5861$ 42.59
30+$ 40.5448$ 1216.34
Standard Packaging170/Full Tray
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Products Specifications

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TypeDescription
CategoryPower Supplies/Power Suppliers - Board Mount/DC DC Converters
ManufacturerADI
PackagingBGA-77
Synchronous Rectifier-
Number of Outputs1
Function-
Iout4A
Output TypeAdjustable
TopologyInverting
Vin3.6V~58V
Vout500mV~26.5V
Frequency - Switching250kHz~3MHz
Operating Temperature-40℃~+125℃
FeaturesAdjustable soft-start;Frequency synchronization;Operating status indication;Overcurrent Protection;External compensation;Output voltage tracking;Built-in LDO regulator
Quiescent Current30uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging170
Sales UnitPiece

Introduction

AI Translation

The LTM4651 is an ultralow noise, 58V, 24W DC/DC μModule inverting topology regulator. It regulates a negative output voltage (V₀₊ₜ) from a positive input supply voltage (Vᵢₙ), and is designed to meet the radiated emissions requirements of EN55022. Conducted emission requirements can be met by adding standard filter components. Included in the package are the switching controller, power MOSFETs, inductor, filters and support components. The LTM4651 can regulate V₀₊ₜ to a value between -0.5V and -26.5V, provided that its input and output voltages adhere to the safe operating area criteria of the LTM4651: Vᵢₙ + |V₀₊ₜ| ≤ 58V. A switching frequency range of 250kHz to 3MHz is supported (400kHz default) and the module can synchronize to an external clock. Despite being an inverting topology regulator, no level shift circuitry is needed to interface to the LTM4651’s RUN, PGOOD or CLKIN pins; those pins are referenced to GND. The LTM4651 is offered in a 15mm × 9mm × 5.01mm BGA package with SnPb or RoHS compliant terminal finish.

Features

AI Translation
  • Complete Low EMI Switch Mode Power Supply
  • EN55022 Class B Compliant
  • Wide Input Voltage Range: 3.6V to 58V
  • Up to 4A Output Current
  • 24W Output from 12Vᵢₙ to -24Vₒᵤₜ, Pₗₒₛₛ = 5W, Tₐ = 60°C, Tᵣᵢₛₑ = 60°C, 200LFM
  • Output Voltage Range: -26.5V ≤ Vₒᵤₜ ≤ -0.5V
  • Safe Operating Area: Vᵢₙ + |Vₒᵤₜ| ≤ 58V
  • ±1.67% Total DC Output Voltage Error Over Line, Load and Temperature (-40°C to 125°C)
  • Parallel and Current Share with Multiple LTM4651s
  • Constant-Frequency Current Mode Control
  • Frequency Synchronization Range: 250kHz to 3MHz
  • Power Good Indicator and Programmable Soft-Start
  • Overcurrent/Overvoltage/Overtemperature Protection
  • 15mm × 9mm × 5.01mm BGA Package

Applications

AI Translation
  • Industrial Control and Test Equipment
  • Video, Imaging and Instrumentation
  • Telecom and Network Power Supplies
  • RF Systems