Datasheet Linear Technology LTC3709 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LTC3709 |
Controlador de CC / CC síncrono rápido de 2 fases, sin RSENSE con seguimiento / secuencia
Hojas de datos
Datasheet LTC3709
PDF, 329 Kb, Idioma: en, Archivo subido: sept 22, 2017, Páginas: 24
Fast 2-Phase, No RSENSE , Synchronous DC/DC Controller with Tracking/Sequencing
Fast 2-Phase, No RSENSE , Synchronous DC/DC Controller with Tracking/Sequencing
Extracto del documento
Precios
Embalaje
| LTC3709EG#PBF | LTC3709EG#TRPBF | LTC3709EUH#PBF | LTC3709EUH#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-24 Dibujo del esquema del paquete | SSOP-24 Dibujo del esquema del paquete | 5x5 QFN-32 Dibujo del esquema del paquete | 5x5 QFN-32 Dibujo del esquema del paquete |
| Package Code | G | G | UH | UH |
| Package Index | 05-08-1640 (G24) | 05-08-1640 (G24) | 05-08-1693 | 05-08-1693 |
| Pin Count | 24 | 24 | 32 | 32 |
Paramétricos
| Parameters / Models | LTC3709EG#PBF | LTC3709EG#TRPBF | LTC3709EUH#PBF | LTC3709EUH#TRPBF |
|---|---|---|---|---|
| Architecture | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode | Constant On-Time Valley Current Mode |
| Demo Boards | DC793A | DC793A | DC793A | DC793A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | No Rsense, Tracking, Sequencing, PolyPhase | No Rsense, Tracking, Sequencing, PolyPhase | No Rsense, Tracking, Sequencing, PolyPhase | No Rsense, Tracking, Sequencing, PolyPhase |
| Frequency, kHz | 200 | 200 | 200 | 200 |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 25 | 25 | 25 | 25 |
| Isupply, mA | 2.4 | 2.4 | 2.4 | 2.4 |
| Max Phases | 2 | 2 | 2 | 2 |
| Monolithic | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 |
| Output Current, A | 40 | 40 | 40 | 40 |
| Polyphase | yes | yes | yes | yes |
| Sense Resistor | None | None | None | None |
| Switch Current, A | 40 | 40 | 40 | 40 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 |
| Vin Min, V | 5 | 5 | 5 | 5 |
| Vout Max, V | 32.4 | 32.4 | 32.4 | 32.4 |
| Vout Maximum | 0.9VIN | 0.9VIN | 0.9VIN | 0.9VIN |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 1 | 1 | 1 | 1 |
Plan ecológico
| LTC3709EG#PBF | LTC3709EG#TRPBF | LTC3709EUH#PBF | LTC3709EUH#TRPBF | |
|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente |
Artículos
- 2-Phase Controller for High Current, High Step-Down Ratio Applications &mdash LT JournalPDF, 465 Kb, Archivo publicado: marzo 25, 2005Extracto del documento
Linea modelo
Serie: LTC3709 (4)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > External Power Switch Buck Controllers