LT3791IFE Price|Datasheet

LT3791IFE

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Shenzhen: 1342 pcs

Shanghai: 996 pcs

Hong Kong: 9432 pcs

United States: 782 pcs

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Specifications of LT3791IFE

Part Number	LT3791IFE
Date Code	2414
Quantity Available	12552 pcs
Manufacturer	Linear Technology/Analog Devices
Lead Time	Ship within 24 hours
QTY	1000
Datasheet	LT3791.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	KOREA
Lot Number	BK98269.44
MSL	3
Packaging	Tube

Base Product Number	LT3791
Series	True Color PWM
Type	DC DC Controller
Topology	Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)	No
Number of Outputs	1
Voltage - Supply (Min)	4.7V
Voltage - Supply (Max)	60V
Voltage - Output	0 V ~ 60 V
Current - Output / Channel	-
Frequency	200 ~ 700kHz
Dimming	Analog, PWM
Applications	Lighting
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package	38-TSSOP-EP

LT3791IFE Features

4-Switch Single Inductor Architecture Allows V_IN Above, Below or Equal to V_OUT
Synchronous Switching: Up to 98.5% Efficiency
Wide V_IN Range: 4.7V to 60V
Wide V_OUT Range: 0V to 60V (52V LED)
±6% LED Current Accuracy: 0V ≤ V_LED < 52V
True Color PWM^™ and Analog Dimming
LED and Input Current Regulation with Current Monitor Outputs
No Top MOSFET Refresh in Buck or Boost
V_OUT Disconnected From V_IN During Shutdown
Open or Shorted LED Fault Protection
Capable of 100W or Greater per IC
38-Lead TSSOP with Exposed Pad

LT3791IFE Description

The LT3791 is a synchronous 4-switch buck-boost LED driver controller. The controller can regulate LED current up to 52V of LED string with input voltages above, below, or equal to the output voltage. The constant-frequency, forced-continuous current mode architecture allows its frequency to be adjusted or synchronized from 200kHz to 700kHz. No top MOSFET refresh switching cycle is needed in buck or boost operation. With 60V input, 60V output capability and seamless transitions between operating regions, the LT3791 is ideal for LED driver applications in automotive, industrial, and even battery-powered systems.

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LT3791IFE

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