Datasheet Linear Technology LTC3737 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LTC3737 |
Controlador dual DC / DC de 2 fases, sin RSENSE con seguimiento de salida
Hojas de datos
Datasheet LTC3737
PDF, 282 Kb, Idioma: en, Archivo subido: sept 23, 2017, Páginas: 24
Dual 2-Phase, No RSENSE DC/DC Controller with Output Tracking
Dual 2-Phase, No RSENSE DC/DC Controller with Output Tracking
Extracto del documento
Precios
Embalaje
| LTC3737EGN#PBF | LTC3737EGN#TRPBF | LTC3737EUF#PBF | LTC3737EUF#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-24 Dibujo del esquema del paquete | SSOP-24 Dibujo del esquema del paquete | 4x4 QFN-24 Dibujo del esquema del paquete | 4x4 QFN-24 Dibujo del esquema del paquete |
| Package Code | GN | GN | UF | UF |
| Package Index | 05-08-1641 (GN24) | 05-08-1641 (GN24) | 05-08-1697 | 05-08-1697 |
| Pin Count | 24 | 24 | 24 | 24 |
Paramétricos
| Parameters / Models | LTC3737EGN#PBF | LTC3737EGN#TRPBF | LTC3737EUF#PBF | LTC3737EUF#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Demo Boards | DC664A | DC664A | DC664A | DC664A |
| Export Control | no | no | no | no |
| Features | No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good | No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good | No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good | No Rsense, Tracking, PolyPhase, External Synchronization, Selectable Switching Frequency, PLL, Burst Mode, Power Good |
| Frequency, kHz | 750 | 750 | 750 | 750 |
| Frequency Adjust Range | 300kHz, 550kHz, 750kHz | 300kHz, 550kHz, 750kHz | 300kHz, 550kHz, 750kHz | 300kHz, 550kHz, 750kHz |
| Frequency Sync Range | 250kHz - 850kHz | 250kHz - 850kHz | 250kHz - 850kHz | 250kHz - 850kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 9 | 9 | 9 | 9 |
| Isupply, mA | 0.225 | 0.225 | 0.225 | 0.225 |
| 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 | 0 to 85 | 0 to 85 |
| Output Current, A | 5 | 5 | 5 | 5 |
| Output Current 2, A | 5 | 5 | 5 | 5 |
| Polyphase | yes | yes | yes | yes |
| Sense Resistor | None | None | None | None |
| Switch Current, A | 5 | 5 | 5 | 5 |
| Switch Current 2, A | 5 | 5 | 5 | 5 |
| Synchronous | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck |
| Vin Max, V | 9.8 | 9.8 | 9.8 | 9.8 |
| Vin Min, V | 2.75 | 2.75 | 2.75 | 2.75 |
| Vout Max, V | 9.8 | 9.8 | 9.8 | 9.8 |
| Vout Maximum | Vin | Vin | Vin | Vin |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 |
| Vout Min 2, V | .8 | .8 | .8 | .8 |
| Vref Accuracy Over Temp, % | 1.5 | 1.5 | 1.5 | 1.5 |
Plan ecológico
| LTC3737EGN#PBF | LTC3737EGN#TRPBF | LTC3737EUF#PBF | LTC3737EUF#TRPBF | |
|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente |
Linea modelo
Serie: LTC3737 (4)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers