Datasheet Linear Technology LTC3867 — Ficha de datos

Fabricante	Linear Technology
Serie	LTC3867

Controlador DC / DC sincrónico reductor con detección remota diferencial y control no lineal

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PDF, 394 Kb, Idioma: en, Archivo subido: sept 24, 2017, Páginas: 36
Synchronous Step-Down DC/DC Controller with Differential Remote Sense and Nonlinear Control

Extracto del documento

Precios

Embalaje

	LTC3867EUF#PBF	LTC3867EUF#TRPBF	LTC3867IUF#PBF	LTC3867IUF#TRPBF
N	1	2	3	4
Package	4x4 QFN-24 Dibujo del esquema del paquete	4x4 QFN-24 Dibujo del esquema del paquete	4x4 QFN-24 Dibujo del esquema del paquete	4x4 QFN-24 Dibujo del esquema del paquete
Package Code	UF	UF	UF	UF
Package Index	05-08-1697	05-08-1697	05-08-1697	05-08-1697
Pin Count	24	24	24	24

Paramétricos

Parameters / Models	LTC3867EUF#PBF	LTC3867EUF#TRPBF	LTC3867IUF#PBF	LTC3867IUF#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1771A,DC1928A	DC1771A,DC1928A	DC1771A,DC1928A	DC1771A,DC1928A
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	External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Nonlinear Control	External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Nonlinear Control	External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Nonlinear Control	External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking, Nonlinear Control
Frequency, kHz	1200	1200	1200	1200
Frequency Adjust Range	200kHz - 1.2MHz	200kHz - 1.2MHz	200kHz - 1.2MHz	200kHz - 1.2MHz
Frequency Sync Range	200kHz - 1.2MHz	200kHz - 1.2MHz	200kHz - 1.2MHz	200kHz - 1.2MHz
Integrated Inductor	no	no	no	no
Ishutdown, µA	30	30	30	30
Isupply, mA	3.5	3.5	3.5	3.5
Max Phases	1	1	1	1
Monolithic	no	no	no	no
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	25	25	25	25
Polyphase	no	no	no	no
Sense Resistor	Rsense, DCR	Rsense, DCR	Rsense, DCR	Rsense, DCR
Switch Current, A	25	25	25	25
Synchronous	yes	yes	yes	yes
Topology	Buck	Buck	Buck	Buck
Vin Max, V	38	38	38	38
Vin Min, V	4	4	4	4
Vout Max, V	14	14	14	14
Vout Maximum	14V	14V	14V	14V
Vout Min, V	0.6	0.6	0.6	0.6
Vref Accuracy Over Temp, %	1	1	1	1

Plan ecológico

	LTC3867EUF#PBF	LTC3867EUF#TRPBF	LTC3867IUF#PBF	LTC3867IUF#TRPBF
RoHS	Obediente	Obediente	Obediente	Obediente

Linea modelo

Serie: LTC3867 (4)

LTC3867EUF#PBF LTC3867EUF#TRPBF LTC3867IUF#PBF LTC3867IUF#TRPBF

Clasificación del fabricante

Power Management > Switching Regulator > Step-Down (Buck) Regulators > High Input Voltage Buck | External Power Switch Buck Controllers