Datasheet Linear Technology LT3742 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LT3742 |
Controlador de conmutación dual descendente de 2 fases
Hojas de datos
Datasheet LT3742
PDF, 319 Kb, Idioma: en, Archivo subido: sept 19, 2017, Páginas: 26
Dual, 2-Phase Step-Down Switching Controller
Dual, 2-Phase Step-Down Switching Controller
Extracto del documento
Precios
Embalaje
| LT3742EUF#PBF | LT3742EUF#TRPBF | |
|---|---|---|
| N | 1 | 2 |
| Package | 4x4 QFN-24 Dibujo del esquema del paquete | 4x4 QFN-24 Dibujo del esquema del paquete |
| Package Code | UF | UF |
| Package Index | 05-08-1697 | 05-08-1697 |
| Pin Count | 24 | 24 |
Paramétricos
| Parameters / Models | LT3742EUF#PBF | LT3742EUF#TRPBF |
|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC927A | DC927A |
| Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
| Export Control | no | no |
| Features | Anti-Phase Switching, Tracking, Power Good, 100% Duty Cycle | Anti-Phase Switching, Tracking, Power Good, 100% Duty Cycle |
| Frequency, kHz | 500 | 500 |
| Integrated Inductor | no | no |
| Ishutdown, µA | 20 | 20 |
| Isupply, mA | 5 | 5 |
| Max Phases | 2 | 2 |
| Monolithic | no | no |
| Number of Outputs | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 |
| Output Current, A | 5 | 5 |
| Output Current 2, A | 5 | 5 |
| Polyphase | yes | yes |
| Sense Resistor | Rsense | Rsense |
| Switch Current, A | 5 | 5 |
| Switch Current 2, A | 5 | 5 |
| Synchronous | no | no |
| Topology | Buck | Buck |
| Topology 1 | Buck | Buck |
| Topology 2 | Buck | Buck |
| Vin Max, V | 30 | 30 |
| Vin Min, V | 4 | 4 |
| Vout Max, V | 30 | 30 |
| Vout Maximum | Vin | Vin |
| Vout Min, V | 0.8 | 0.8 |
| Vout Min 2, V | .8 | .8 |
| Vref Accuracy Over Temp, % | 1.5 | 1.5 |
Plan ecológico
| LT3742EUF#PBF | LT3742EUF#TRPBF | |
|---|---|---|
| RoHS | Obediente | Obediente |
Artículos
- Wide Input Voltage Range, Dual Step-Down Controller Reduces Power Supply Size and Cost &mdash LT JournalPDF, 259 Kb, Archivo publicado: enero 14, 2008Extracto del documento
Linea modelo
Serie: LT3742 (2)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers