Datasheet Linear Technology LT3954 — Datenblatt

Hersteller	Linear Technology
Serie	LT3954

40Vin LED Konverter mit internem PWM Generator

Datenblätter

PDF, 330 Kb, Revision: A, Datei hochgeladen: Oct 4, 2017

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	LT3954EUHE#PBF	LT3954EUHE#TRPBF	LT3954IUHE#PBF	LT3954IUHE#TRPBF
N	1	2	3	4
Package	5x6 QFN-36 Paketumrisszeichnung	5x6 QFN-36 Paketumrisszeichnung	5x6 QFN-36 Paketumrisszeichnung	5x6 QFN-36 Paketumrisszeichnung
Package Code	UHE	UHE	UHE	UHE
Package Index	05-08-1836	05-08-1836	05-08-1836	05-08-1836
Pin Count	36	36	36	36

Parameters / Models	LT3954EUHE#PBF	LT3954EUHE#TRPBF	LT3954IUHE#PBF	LT3954IUHE#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC2079A	DC2079A	DC2079A	DC2079A
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File
Dimming	3000:1 PWM	3000:1 PWM	3000:1 PWM	3000:1 PWM
Export Control	no	no	no	no
Features	Rail-to-Rail Current Sense, Internal PWM Generator	Rail-to-Rail Current Sense, Internal PWM Generator	Rail-to-Rail Current Sense, Internal PWM Generator	Rail-to-Rail Current Sense, Internal PWM Generator
Frequency, kHz	1000	1000	1000	1000
Ishutdown, µA	0.1	0.1	0.1	0.1
Isupply, mA	1.8	1.8	1.8	1.8
Max Number of LEDs	10	10	10	10
Monolithic	yes	yes	yes	yes
Number of Outputs	1	1	1	1
Operating Temperature Range, °C	0 to 85	0 to 85	-40 to 85	-40 to 85
Output Current, A	4	4	4	4
Switch Current, A	6.3	6.3	6.3	6.3
Synchronous	no	no	no	no
Topology	Buck, Boost, Sepic, Buck-Boost, LED Driver	Buck, Boost, Sepic, Buck-Boost, LED Driver	Buck, Boost, Sepic, Buck-Boost, LED Driver	Buck, Boost, Sepic, Buck-Boost, LED Driver
Vin Max, V	40	40	40	40
Vin Min, V	4.5	4.5	4.5	4.5
Vout Max, V	40	40	40	40

	LT3954EUHE#PBF	LT3954EUHE#TRPBF	LT3954IUHE#PBF	LT3954IUHE#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant

Serie: LT3954 (4)

Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers | Buck-Boost LED Drivers | Multitopology LED Driver