Datasheet Linear Technology LT3475-1 — Ficha de datos

Fabricante	Linear Technology
Serie	LT3475-1

Controlador de LED Dual Step-Down 1.5A

Hojas de datos

PDF, 249 Kb, Idioma: en, Archivo subido: oct 4, 2017, Páginas: 20
Dual Step-Down 1.5A LED Driver

Extracto del documento

	LT3475EFE-1#PBF	LT3475EFE-1#TRPBF	LT3475IFE-1#PBF	LT3475IFE-1#TRPBF
N	1	2	3	4
Package	TSSOP-20 Dibujo del esquema del paquete	TSSOP-20 Dibujo del esquema del paquete	TSSOP-20 Dibujo del esquema del paquete	TSSOP-20 Dibujo del esquema del paquete
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	Obediente	Obediente	Obediente	Obediente

Serie: LT3475-1 (4)