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ADI LTC3255IDD#PBFRoHS

Manufacturer
ADI
MPN
LTC3255IDD#PBF
LCSC Part #
C684369
Packaging
DFN-10-EP(3x3)
Customer #
Key Attributes
Wide Vin Range Fault Protected Step-Down Charge Pump
Datasheetpdf iconADI LTC3255IDD#PBF
In-Stock: 2
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QtyUnit PriceTotal Amount
1+$ 8.7577$ 8.76
10+$ 8.5517$ 85.52
30+$ 8.4154$ 252.46
100+$ 8.2775$ 827.75
Standard Packaging121/Full Tube
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - DC DC Switching Regulators
ManufacturerADI
PackagingDFN-10-EP(3x3)
Operating Temperature-40℃~+125℃
Frequency - Switching500kHz
FunctionStep-down
FeaturesCharge pump / inverting topology switching;Output short-circuit protection;Overcurrent Protection
Operating Voltage4V~48V
Output Voltage2.4V~12.5V
Output Current50mA
Energy Efficiency-
Quiescent Current16uA
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Introduction

AI Translation

The LTC3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. At no load, Burst Mode operation cuts VIN quiescent current to 16μA. With its integrated VIN shunt regulator, the LTC3255 excels in 4mA to 20mA current loop applications. The device enables current multiplication; a 4mA input current can power a 7.4mA load continuously. Alternatively, the LTC3255 serves as a higher efficiency replacement for linear regulators and provides a space-saving inductorfree alternative to buck DC/DC converters. The LTC3255 withstands reverse-polarity input supplies and output short-circuits without damage. Safety features including current limit and overtemperature protection further enhance robustness. The LTC3255 is available in thermally enhanced 10-lead MSOP and low profile 3mm × 3mm 10-lead DFN packages.

Features

AI Translation
  • Input Voltage Range: 4V to 48V
  • Adjustable Regulated Output: 2.4V to 12.5V
  • Output Current: 50mA Maximum
  • 16μA Quiescent Current in Regulation at No Load
  • Input Fault Protection from –52V to 60V
  • Multimode Charge Pump (2:1, 1:1) with Automatic Mode Switching Maintains Regulation Over Wide VIN Range
  • Input Voltage Shunt Mode for Current-Fed Applications
  • Power Good Output
  • Overtemperature and Short-Circuit Protection
  • Operating Junction Temperature: 150°C Maximum
  • Thermally Enhanced 10-Lead MSOP and 10-Lead (3mm×3mm) DFN packages

Applications

AI Translation
  • Industrial Control, Factory Automation, Sensors, and SCADA Systems
  • Housekeeping Power Supplies
  • Current-Boosting Voltage Regulators for 4mA to 20mA Current Loops