Datasheet Linear Technology LTC3707 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LTC3707 |
Regulador de conmutación descendente síncrono de 2 fases de alta eficiencia
Hojas de datos
Datasheet LTC3707
PDF, 398 Kb, Idioma: en, Archivo subido: sept 22, 2017, Páginas: 32
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
Extracto del documento
Precios
Embalaje
| LTC3707EGN#PBF | LTC3707EGN#TRPBF | LTC3707IGN#PBF | LTC3707IGN#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-28 Dibujo del esquema del paquete | SSOP-28 Dibujo del esquema del paquete | SSOP-28 Dibujo del esquema del paquete | SSOP-28 Dibujo del esquema del paquete |
| Package Code | GN | GN | GN | GN |
| Package Index | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1641 (GN28) | 05-08-1641 (GN28) |
| Pin Count | 28 | 28 | 28 | 28 |
Paramétricos
| Parameters / Models | LTC3707EGN#PBF | LTC3707EGN#TRPBF | LTC3707IGN#PBF | LTC3707IGN#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC455A | DC455A | DC455A | DC455A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good | Burst Mode, Resistor Set Frequency, PolyPhase, Power Good |
| Frequency, kHz | 300 | 300 | 300 | 300 |
| Frequency Adjust Range | 150kHz - 300kHz | 150kHz - 300kHz | 150kHz - 300kHz | 150kHz - 300kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 20 | 20 | 20 | 20 |
| Isupply, mA | 0.35 | 0.35 | 0.35 | 0.35 |
| Max Phases | 2 | 2 | 2 | 2 |
| Monolithic | no | no | no | no |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 25 | 25 | 25 | 25 |
| Output Current 2, A | 25 | 25 | 25 | 25 |
| Polyphase | yes | yes | yes | yes |
| Sense Resistor | Rsense | Rsense | Rsense | Rsense |
| Switch Current, A | 25 | 25 | 25 | 25 |
| Switch Current 2, A | 25 | 25 | 25 | 25 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck |
| Vin Max, V | 28 | 28 | 28 | 28 |
| Vin Min, V | 4.5 | 4.5 | 4.5 | 4.5 |
| Vout Max, V | 7 | 7 | 7 | 7 |
| Vout Maximum | 7V | 7V | 7V | 7V |
| Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 |
| Vout Min 2, V | .8 | .8 | .8 | .8 |
| Vref Accuracy Over Temp, % | 1.5 | 1.5 | 1.5 | 1.5 |
Plan ecológico
| LTC3707EGN#PBF | LTC3707EGN#TRPBF | LTC3707IGN#PBF | LTC3707IGN#TRPBF | |
|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente |
Notas de Diseño
- Active Voltage Positioning Reduces Output Capacitors &mdash Design Solutions 10PDF, 130 Kb, Archivo publicado: nov 1, 1999Extracto del documento
Linea modelo
Serie: LTC3707 (4)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers