Datasheet Linear Technology LT3975 — Ficha de datos
Fabricante | Linear Technology |
Serie | LT3975 |
Regulador de conmutación descendente de 42V, 2.5A, 2MHz con corriente de reposo de 2.7µA
Hojas de datos
Datasheet LT3975
PDF, 295 Kb, Idioma: en, Archivo subido: sept 19, 2017, Páginas: 24
42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current
42V, 2.5A, 2MHz Step-Down Switching Regulator with 2.7µA Quiescent Current
Extracto del documento
Precios
Embalaje
LT3975EMSE#PBF | LT3975EMSE#TRPBF | LT3975HMSE#PBF | LT3975HMSE#TRPBF | LT3975IMSE#PBF | LT3975IMSE#TRPBF | |
---|---|---|---|---|---|---|
N | 1 | 2 | 3 | 4 | 5 | 6 |
Package | MS-16E Dibujo del esquema del paquete | MS-16E Dibujo del esquema del paquete | MS-16E Dibujo del esquema del paquete | MS-16E Dibujo del esquema del paquete | MS-16E Dibujo del esquema del paquete | MS-16E Dibujo del esquema del paquete |
Package Code | MSE | MSE | MSE | MSE | MSE | MSE |
Package Index | 05-08-1667 | 05-08-1667 | 05-08-1667 | 05-08-1667 | 05-08-1667 | 05-08-1667 |
Pin Count | 16 | 16 | 16 | 16 | 16 | 16 |
Paramétricos
Parameters / Models | LT3975EMSE#PBF | LT3975EMSE#TRPBF | LT3975HMSE#PBF | LT3975HMSE#TRPBF | LT3975IMSE#PBF | LT3975IMSE#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 |
Demo Boards | DC1736A | DC1736A | DC1736A | DC1736A | DC1736A | DC1736A |
Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
Export Control | no | no | 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 | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good | Burst Mode, Resistor Set Frequency, External Synchronization, Power Good |
Frequency, kHz | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 |
Frequency Adjust Range | 200kHz - 2MHz | 200kHz - 2MHz | 200kHz - 2MHz | 200kHz - 2MHz | 200kHz - 2MHz | 200kHz - 2MHz |
Frequency Sync Range | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz |
Integrated Inductor | no | no | no | no | no | no |
Ishutdown, µA | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
Isupply, mA | 0.0016 | 0.0016 | 0.0016 | 0.0016 | 0.0016 | 0.0016 |
Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
Monolithic | yes | yes | yes | yes | yes | yes |
Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 |
Output Current, A | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
Polyphase | no | no | no | no | no | no |
Switch Current, A | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 |
Synchronous | no | no | no | no | no | no |
Topology | Buck | Buck | Buck | Buck | Buck | Buck |
Vin Max, V | 42 | 42 | 42 | 42 | 42 | 42 |
Vin Min, V | 4 | 4 | 4 | 4 | 4 | 4 |
Vout Max, V | 40.74 | 40.74 | 40.74 | 40.74 | 40.74 | 40.74 |
Vout Maximum | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin | 0.97Vin |
Vout Min, V | 1.197 | 1.197 | 1.197 | 1.197 | 1.197 | 1.197 |
Vswitch Max, V | 42 | 42 | 42 | 42 | 42 | 42 |
Plan ecológico
LT3975EMSE#PBF | LT3975EMSE#TRPBF | LT3975HMSE#PBF | LT3975HMSE#TRPBF | LT3975IMSE#PBF | LT3975IMSE#TRPBF | |
---|---|---|---|---|---|---|
RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
Linea modelo
Serie: LT3975 (6)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators