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LT8640IUDC-1#TRPBF

LT8640IUDC-1#TRPBF

IC REG BUCK ADJ 5A 18QFN

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8159 pcs
Shanghai
6222 pcs
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498 pcs
United States
2045 pcs
The above prices and inventory are for reference only, please consult customer service for the latest quotation and inventory!

Specifications of LT8640IUDC-1#TRPBF

Part Number LT8640IUDC-1#TRPBF
Date Code 2142
Quantity Available 16924 pcs
Manufacturer Linear Technology/Analog Devices
Lead Time Ship within 24 hours
QTY 1500
Datasheet LT8640-1.pdf
Minimum Quantity More than 50pcs
Distributor SingSun
RoHS Status Lead free / RoHS Compliant
Ship From Hong Kong
Shipment Way EMS/SF/DHL/TNT/UPS/FedEx
Country of Assembly SOUTH KOREA
Country of Diffusion IRELAND
Lot Number EM93178.97
MSL 1
Packaging Tape & Reel (TR)
Base Product Number LT8640-1
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.4V
Voltage - Input (Max) 42V
Voltage - Output (Min/Fixed) 0.97V
Voltage - Output (Max) 42V
Current - Output 5A
Frequency - Switching 210kHz ~ 2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 20-WFQFN, 18 Leads, Exposed Pad
Supplier Device Package 20-QFN (3x4)

LT8640IUDC-1#TRPBF Features

● Silent Switcher® Architecture
  ○ Ultralow EMI Emissions
  ○ Spread Spectrum Frequency Modulation
● High Efficiency at High Frequency
  ○ Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT
  ○ Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT
● Wide Input Voltage Range: 3.4V to 42V
● 5A Maximum Continuous Output, 7A Peak Transient Output
● Ultralow Quiescent Current Burst Mode® Operation
  ○ 2.5µA IQ Regulating 12VIN to 3.3VOUT
  ○ Output Ripple < 10mVP-P
● Fast Minimum Switch On-Time: 30ns
● Low Dropout Under All Conditions: 100mV at 1A
● Forced Continuous Mode (LT8640-1 Only)
● Safely Tolerates Inductor Saturation in Overload
● Adjustable and Synchronizable: 200kHz to 3MHz
● Peak Current Mode Operation
● Output Soft-Start and Tracking
● Small 18-Lead 3mm × 4mm QFN and Side Wettable QFN
● AEC-Q100 Qualified for Automotive Applications

LT8640IUDC-1#TRPBF Applications

● Automotive and Industrial Supplies
● General Purpose Step-Down
● GSM Power Supplies

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LT8640IUDC-1#TRPBF Description

The LT8640-1 step-down regulator features Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at frequencies up to 3MHz. An ultralow 2.5µA quiescent current—with the output in full regulation—enables applications requiring highest efficiency at very small load currents.

The LT8640-1 allows high VIN to low VOUT conversion at high frequency with a fast minimum top switch on-time of 30ns. The SYNC/MODE pin selects between Burst Mode operation, spread spectrum mode, synchronization to an external clock, and forced continuous mode (LT8640-1).

LT8640IUDC-1#TRPBF Tags

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