LT8640HUDC#MPBF Price|Datasheet

LT8640HUDC#MPBF

IC REG BUCK ADJ 5A 18QFN

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In Stock

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Shenzhen: 9427 pcs

Shanghai: 1594 pcs

Hong Kong: 3108 pcs

United States: 5954 pcs

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Specifications of LT8640HUDC#MPBF

Part Number	LT8640HUDC#MPBF
Date Code	2346
Quantity Available	20083 pcs
Manufacturer	Linear Technology/Analog Devices
Lead Time	Ship within 24 hours
QTY	2000
Datasheet	LT8640.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	TAIWAN
Country of Diffusion	IRELAND
Lot Number	XU77490.15
MSL	3
Packaging	Reel

Base Product Number	LT8640
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 ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	20-WFQFN, 18 Leads, Exposed Pad
Supplier Device Package	20-QFN (3x4)

LT8640HUDC#MPBF Features

● Silent Switcher^® Architecture
○ Ultralow EMI Emissions
○ Spread Spectrum Frequency Modulation
● High Efficiency at High Frequency
○ Up to 96% Efficiency at 1MHz, 12V_IN to 5V_OUT
○ Up to 95% Efficiency at 2MHz, 12V_IN to 5V_OUT
● Wide Input Voltage Range: 3.4V to 42V
● 5A Maximum Continuous Output, 7A Peak Transient Output
● Ultralow Quiescent Current Burst Mode^® Operation
○ 2.5µA I_Q Regulating 12V_IN to 3.3V_OUT
○ Output Ripple < 10mV_P-P
● Fast Minimum Switch On-Time: 30ns
● Low Dropout Under All Conditions: 100mV at 1A
● 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

LT8640HUDC#MPBF Description

The LT8640 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 allows high V_IN to low V_OUT 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 either pulse-skipping (LT8640).

LT8640HUDC#MPBF Tags

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