Datasheet Linear Technology LT3514 — Ficha de datos

Fabricante	Linear Technology
Serie	LT3514

Regulador de conmutación triple reductor con 100% de funcionamiento del ciclo de trabajo

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PDF, 482 Kb, Idioma: en, Archivo subido: sept 18, 2017, Páginas: 26
Triple Step-Down Switching Regulator with 100% Duty Cycle Operation

Extracto del documento

Precios

Embalaje

	LT3514EFE#PBF	LT3514EFE#TRPBF	LT3514EUFD#PBF	LT3514EUFD#TRPBF	LT3514IFE#PBF	LT3514IFE#TRPBF	LT3514IUFD#PBF	LT3514IUFD#TRPBF
N	1	2	3	4	5	6	7	8
Package	TSSOP-24 Dibujo del esquema del paquete	TSSOP-24 Dibujo del esquema del paquete	4x5 QFN-28 Dibujo del esquema del paquete	4x5 QFN-28 Dibujo del esquema del paquete	TSSOP-24 Dibujo del esquema del paquete	TSSOP-24 Dibujo del esquema del paquete	4x5 QFN-28 Dibujo del esquema del paquete	4x5 QFN-28 Dibujo del esquema del paquete
Package Code	FE	FE	UFD	UFD	FE	FE	UFD	UFD
Package Index	05-08-1771	05-08-1771	05-08-1712	05-08-1712	05-08-1771	05-08-1771	05-08-1712	05-08-1712
Pin Count	24	24	28	28	24	24	28	28

Paramétricos

Parameters / Models	LT3514EFE#PBF	LT3514EFE#TRPBF	LT3514EUFD#PBF	LT3514EUFD#TRPBF	LT3514IFE#PBF	LT3514IFE#TRPBF	LT3514IUFD#PBF	LT3514IUFD#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC1980A	DC1980A	DC1980A	DC1980A	DC1980A	DC1980A	DC1980A	DC1980A
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File
Export Control	no	no	no	no	no	no	no	no
Features	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good	Resistor Set Frequency, External Synchronization, Anti-Phase Switching, Tracking, 100% Duty Cycle, Power Good
Frequency, kHz	2200	2200	2200	2200	2200	2200	2200	2200
Frequency Adjust Range	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz
Frequency Sync Range	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz	350kHz to 2.2MHz
Integrated Inductor	no	no	no	no	no	no	no	no
Ishutdown, µA	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Isupply, mA	2.7	2.7	2.7	2.7	2.7	2.7	2.7	2.7
Monolithic	yes	yes	yes	yes	yes	yes	yes	yes
Number of Outputs	3	3	3	3	3	3	3	3
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Output Current, A	2	2	2	2	2	2	2	2
Output Current 2, A	1	1	1	1	1	1	1	1
Output Current 3, A	1	1	1	1	1	1	1	1
Polyphase	no	no	no	no	no	no	no	no
Switch Current, A	3.5	3.5	3.5	3.5	3.5	3.5	3.5	3.5
Switch Current 2, A	1.75	1.75	1.75	1.75	1.75	1.75	1.75	1.75
Switch Current 3, A	1.75	1.75	1.75	1.75	1.75	1.75	1.75	1.75
Synchronous	no	no	no	no	no	no	no	no
Topology	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 1	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 2	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Topology 3	Buck	Buck	Buck	Buck	Buck	Buck	Buck	Buck
Vin Max, V	36	36	36	36	36	36	36	36
Vin Min, V	3.2	3.2	3.2	3.2	3.2	3.2	3.2	3.2
Vout Max, V	36	36	36	36	36	36	36	36
Vout Max 2, V	36	36	36	36	36	36	36	36
Vout Max 3, V	36	36	36	36	36	36	36	36
Vout Maximum	Vin	Vin	Vin	Vin	Vin	Vin	Vin	Vin
Vout Min, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vout Min 2, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vout Min 3, V	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8
Vref Accuracy Over Temp, %	2	2	2	2	2	2	2	2

Plan ecológico

	LT3514EFE#PBF	LT3514EFE#TRPBF	LT3514EUFD#PBF	LT3514EUFD#TRPBF	LT3514IFE#PBF	LT3514IFE#TRPBF	LT3514IUFD#PBF	LT3514IUFD#TRPBF
RoHS	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente	Obediente

Linea modelo

Serie: LT3514 (8)

LT3514EFE#PBF LT3514EFE#TRPBF LT3514EUFD#PBF LT3514EUFD#TRPBF LT3514IFE#PBF LT3514IFE#TRPBF LT3514IUFD#PBF LT3514IUFD#TRPBF

Clasificación del fabricante

Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators