Datasheet Linear Technology LTC7124 — Ficha de datos

Fabricante	Linear Technology
Serie	LTC7124

Regulador reductor síncrono dual de 3,5 V y 17 V con corriente de reposo ultrabaja

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PDF, 1.7 Mb, Idioma: en, Archivo subido: oct 20, 2017, Páginas: 22
17V, Dual 3.5A Synchronous Step-Down Regulator with Ultralow Quiescent Current

Extracto del documento

Precios

Embalaje

	LTC7124EUDD#PBF	LTC7124EUDD#TRPBF	LTC7124IUDD#PBF	LTC7124IUDD#TRPBF
N	1	2	3	4
Package	3x5 UDD-24 Dibujo del esquema del paquete	3x5 UDD-24 Dibujo del esquema del paquete	3x5 UDD-24 Dibujo del esquema del paquete	3x5 UDD-24 Dibujo del esquema del paquete
Package Code	UDD	UDD	UDD	UDD
Package Index	05-08-1537	05-08-1537	05-08-1537	05-08-1537
Pin Count	24	24	24	24

Paramétricos

Parameters / Models	LTC7124EUDD#PBF	LTC7124EUDD#TRPBF	LTC7124IUDD#PBF	LTC7124IUDD#TRPBF
Architecture	Constant Frequency Peak Current Mode	Constant Frequency Peak Current Mode	Constant Frequency Peak Current Mode	Constant Frequency Peak Current Mode
Demo Boards	DC2329A	DC2329A	DC2329A	DC2329A
Design Tools	LTspice Model,LTpowerCAD File	LTspice Model,LTpowerCAD File	LTspice Model,LTpowerCAD File	LTspice Model,LTpowerCAD File
Export Control	no	no	no	no
Features	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good	Burst Mode, Resistor Set Frequency, External Synchronization, Power Good
Frequency, kHz	4000	4000	4000	4000
Frequency Adjust Range	500kHz - 4MHz	500kHz - 4MHz	500kHz - 4MHz	500kHz - 4MHz
Frequency Sync Range	500kHz - 4MHz	500kHz - 4MHz	500kHz - 4MHz	500kHz - 4MHz
Integrated Inductor	no	no	no	no
Ishutdown, µA	0.1	0.1	0.1	0.1
Isupply, mA	0.0055	0.0055	0.0055	0.0055
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	3.5	3.5	3.5	3.5
Output Current 2, A	3.5	3.5	3.5	3.5
Polyphase	yes	yes	yes	yes
Switch Current, A	5	5	5	5
Switch Current 2, A	5	5	5	5
Synchronous	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck
Topology 1	Buck	Buck	Buck	Buck
Topology 2	Buck	Buck	Buck	Buck
Vin Max, V	17	17	17	17
Vin Min, V	3.1	3.1	3.1	3.1
Vout Max, V	16.83	16.83	16.83	16.83
Vout Max 2, V	16.83	16.83	16.83	16.83
Vout Maximum	0.99Vin	0.99Vin	0.99Vin	0.99Vin
Vout Min, V	0.6	0.6	0.6	0.6
Vout Min 2, V	0.6	0.6	0.6	0.6
Vref Accuracy Over Temp, %	1	1	1	1

Plan ecológico

	LTC7124EUDD#PBF	LTC7124EUDD#TRPBF	LTC7124IUDD#PBF	LTC7124IUDD#TRPBF
RoHS	Obediente	Obediente	Obediente	Obediente

Linea modelo

Serie: LTC7124 (4)

LTC7124EUDD#PBF LTC7124EUDD#TRPBF LTC7124IUDD#PBF LTC7124IUDD#TRPBF

Clasificación del fabricante

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck