Datasheet Linear Technology LTC3850-2 — Ficha de datos

Fabricante	Linear Technology
Serie	LTC3850-2

Controlador de conmutación descendente síncrono dual de 2 fases

Hojas de datos

PDF, 417 Kb, Idioma: en, Archivo subido: jul 31, 2016, Páginas: 36
Dual, 2-Phase Synchronous Step-Down Switching Controller

Extracto del documento

	LTC3850IGN-2#PBF	LTC3850IGN-2#TRPBF
N	1	2
Package	SSOP-28 Dibujo del esquema del paquete	SSOP-28 Dibujo del esquema del paquete
Package Code	GN	GN
Package Index	05-08-1641 (GN28)	05-08-1641 (GN28)
Pin Count	28	28

Parameters / Models	LTC3850IGN-2#PBF	LTC3850IGN-2#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode
Design Tools	LTspice Model,LTpowerCAD Model	LTspice Model,LTpowerCAD Model
Export Control	no	no
Features	PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good	PolyPhase, DCR Current Sense, Selectable Switching Frequency, External Synchronization, PLL, Tracking, Power Good
Frequency, kHz	500	500
Frequency Sync Range	250kHz - 780kHz	250kHz - 780kHz
Integrated Inductor	no	no
Ishutdown, µA	30	30
Isupply, mA	0.85	0.85
Max Phases	2	2
Monolithic	no	no
Number of Outputs	2	2
Operating Temperature Range, °C	-40 to 85	-40 to 85
Output Current, A	25	25
Polyphase	yes	yes
Sense Resistor	Rsense, DCR	Rsense, DCR
Switch Current, A	25	25
Synchronous	yes	yes
Topology	Buck	Buck
Topology 2	Buck	Buck
Vin Max, V	30	30
Vin Min, V	4	4
Vout Max, V	6	6
Vout Maximum	6V	6V
Vout Min, V	0.8	0.8
Vref Accuracy Over Temp, %	1	1

	LTC3850IGN-2#PBF	LTC3850IGN-2#TRPBF
RoHS	Obediente	Obediente

Serie: LTC3850-2 (2)

Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers