Datasheet Linear Technology LT3475-1

Manufacturer	Linear Technology
Series	LT3475-1

Dual Step-Down 1.5A LED Driver

Datasheets

PDF, 249 Kb, Language: en, File uploaded: Oct 4, 2017, Pages: 20
Dual Step-Down 1.5A LED Driver

Extract from the document

	LT3475EFE-1#PBF	LT3475EFE-1#TRPBF	LT3475IFE-1#PBF	LT3475IFE-1#TRPBF
N	1	2	3	4
Package	TSSOP-20 Package Outline Drawing	TSSOP-20 Package Outline Drawing	TSSOP-20 Package Outline Drawing	TSSOP-20 Package Outline Drawing
Package Code	FE	FE	FE	FE
Package Index	05-08-1663 (CB)	05-08-1663 (CB)	05-08-1663 (CB)	05-08-1663 (CB)
Pin Count	20	20	20	20

Parameters / Models	LT3475EFE-1#PBF	LT3475EFE-1#TRPBF	LT3475IFE-1#PBF	LT3475IFE-1#TRPBF
Architecture	Improved Average Output Current Control	Improved Average Output Current Control	Improved Average Output Current Control	Improved Average Output Current Control
Demo Boards	DC1315A,DC923A	DC1315A,DC923A	DC1315A,DC923A	DC1315A,DC923A
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File
Dimming	3000:1 PWM, 10:1 Analog	3000:1 PWM, 10:1 Analog	3000:1 PWM, 10:1 Analog	3000:1 PWM, 10:1 Analog
Export Control	no	no	no	no
Features	High Side Current Sense, Anti-Phase Switching, True Color PWM Dimming, Resistor Set Frequency	High Side Current Sense, Anti-Phase Switching, True Color PWM Dimming, Resistor Set Frequency	High Side Current Sense, Anti-Phase Switching, True Color PWM Dimming, Resistor Set Frequency	High Side Current Sense, Anti-Phase Switching, True Color PWM Dimming, Resistor Set Frequency
Frequency, kHz	2000	2000	2000	2000
Ishutdown, µA	0.01	0.01	0.01	0.01
Isupply, mA	6	6	6	6
Max Number of LEDs	4	4	4	4
Monolithic	yes	yes	yes	yes
Number of Outputs	2	2	2	2
Operating Temperature Range, °C	0 to 85	0 to 85	-40 to 85	-40 to 85
Output Current, A	1.5	1.5	1.5	1.5
Switch Current, A	2.7	2.7	2.7	2.7
Synchronous	no	no	no	no
Topology	Buck, LED Driver	Buck, LED Driver	Buck, LED Driver	Buck, LED Driver
Vin Max, V	36	36	36	36
Vin Min, V	4	4	4	4
Vout Max, V	25	25	25	25

	LT3475EFE-1#PBF	LT3475EFE-1#TRPBF	LT3475IFE-1#PBF	LT3475IFE-1#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant

Series: LT3475-1 (4)