Integrated Circuits (ICs)

LT3955IUHE

Obsolete

Analog Devices Inc./Maxim Integrated

IC LED DRVR RGLTR PWM 3.5A 36QFN

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Integrated Circuits (ICs)

LT3955IUHE

Obsolete

Analog Devices Inc./Maxim Integrated

IC LED DRVR RGLTR PWM 3.5A 36QFN

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LT3955IUHE

Current - Output / Channel	3.5 A
Dimming	Analog, PWM
Frequency [Max]	1 MHz
Frequency [Min]	100 kHz
Internal Switch(s)	True
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Package / Case	36-WFQFN, 28 Leads, Exposed Pad
Supplier Device Package	36-QFN
Supplier Device Package [x]	5
Supplier Device Package [y]	6
Topology	Step-Up (Boost), Flyback, Step-Down (Buck), SEPIC
Type	DC DC Regulator
Voltage - Supply (Min) [Min]	4.5 V

LT3955 Series

Part	Utilized IC / Part	Outputs and Type	Contents	Voltage - Input [Max]	Voltage - Input [Min]	Voltage - Output	Features	Current - Output / Channel	Frequency [Max]	Frequency [Min]	Supplier Device Package [y]	Supplier Device Package [x]	Supplier Device Package	Topology	Mounting Type	Dimming	Voltage - Supply (Min) [Min]	Type	Operating Temperature [Min]	Operating Temperature [Max]	Package / Case	Number of Outputs
Analog Devices Inc./Maxim Integrated DC2020A	LT3955	1 Non-Isolated Output	Board(s)	60 V	5 V	67 V	Dimmable	300 mA
Analog Devices Inc./Maxim Integrated LT3955EUHE#PBF								3.5 A	1 MHz	100 kHz	6	5	36-QFN	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	Surface Mount	Analog PWM	4.5 V	DC DC Regulator	-40 C	125 °C	36-WFQFN 28 Leads Exposed Pad	1
Analog Devices Inc./Maxim Integrated LT3955IUHE#TRPBF								3.5 A	1 MHz	100 kHz	6	5	36-QFN	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	Surface Mount	Analog PWM	4.5 V	DC DC Regulator	-40 C	125 °C	36-WFQFN 28 Leads Exposed Pad	1
Analog Devices Inc./Maxim Integrated LT3955EUHE#TRPBF								3.5 A	1 MHz	100 kHz	6	5	36-QFN	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	Surface Mount	Analog PWM	4.5 V	DC DC Regulator	-40 C	125 °C	36-WFQFN 28 Leads Exposed Pad	1
Analog Devices Inc./Maxim Integrated LT3955IUHE#PBF								3.5 A	1 MHz	100 kHz	6	5	36-QFN	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	Surface Mount	Analog PWM	4.5 V	DC DC Regulator	-40 C	125 °C	36-WFQFN 28 Leads Exposed Pad	1
Analog Devices Inc./Maxim Integrated LT3955IUHE								3.5 A	1 MHz	100 kHz	6	5	36-QFN	Flyback SEPIC Step-Down (Buck) Step-Up (Boost)	Surface Mount	Analog PWM	4.5 V	DC DC Regulator	-40 C	125 °C	36-WFQFN 28 Leads Exposed Pad	1

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$	Updated

Digikey	N/A	0	$ 0.00	1m+

Description

General part information

LT3955 Series

LED Driver IC 1 Output DC DC Regulator Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) Analog, PWM Dimming 3.5A (Switch) 36-QFN (5x6)

Documents

Technical documentation and resources

No documents available