Datasheet Linear Technology LTC3548A — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LTC3548A |
Regulador de CC / CC reductor dual sincrónico de 400 mA / 800 mA, 2,25 MHz
Hojas de datos
Datasheet LTC3548A
PDF, 255 Kb, Idioma: en, Archivo subido: sept 22, 2017, Páginas: 20
Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator
Dual Synchronous 400mA/800mA, 2.25MHz Step-Down DC/DC Regulator
Extracto del documento
Precios
Embalaje
| LTC3548AEDD#PBF | LTC3548AEDD#TRPBF | LTC3548AEMSE#PBF | LTC3548AEMSE#TRPBF | LTC3548AIDD#PBF | LTC3548AIDD#TRPBF | LTC3548AIMSE#PBF | LTC3548AIMSE#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Package | 3x3 DFN-10 Dibujo del esquema del paquete | 3x3 DFN-10 Dibujo del esquema del paquete | MS-10E Dibujo del esquema del paquete | MS-10E Dibujo del esquema del paquete | 3x3 DFN-10 Dibujo del esquema del paquete | 3x3 DFN-10 Dibujo del esquema del paquete | MS-10E Dibujo del esquema del paquete | MS-10E Dibujo del esquema del paquete |
| Package Code | DD | DD | MSE | MSE | DD | DD | MSE | MSE |
| Package Index | 05-08-1699 | 05-08-1699 | 05-08-1664 | 05-08-1664 | 05-08-1699 | 05-08-1699 | 05-08-1664 | 05-08-1664 |
| Pin Count | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
Paramétricos
| Parameters / Models | LTC3548AEDD#PBF | LTC3548AEDD#TRPBF | LTC3548AEMSE#PBF | LTC3548AEMSE#TRPBF | LTC3548AIDD#PBF | LTC3548AIDD#TRPBF | LTC3548AIMSE#PBF | LTC3548AIMSE#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 | Constant Frequency Current Mode | Constant Frequency Current Mode |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no | no | no | no | no |
| Features | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle | Burst Mode, External Synchronization, 100% Duty Cycle |
| Frequency, kHz | 2250 | 2250 | 2250 | 2250 | 2250 | 2250 | 2250 | 2250 |
| Frequency Sync Range | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz | 1.8MHz - 2.7MHz |
| Integrated Inductor | no | no | no | no | no | no | no | no |
| Ishutdown, µA | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Isupply, mA | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Output Current 2, A | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Polyphase | no | no | no | no | no | no | no | no |
| Switch Current, A | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Switch Current 2, A | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 |
| Synchronous | yes | yes | yes | yes | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Vin Min, V | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| Vout Max, V | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Vout Maximum | Vin | Vin | Vin | Vin | Vin | Vin | Vin | Vin |
| Vout Min, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vout Min 2, V | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| Vref Accuracy Over Temp, % | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Plan ecológico
| LTC3548AEDD#PBF | LTC3548AEDD#TRPBF | LTC3548AEMSE#PBF | LTC3548AEMSE#TRPBF | LTC3548AIDD#PBF | LTC3548AIDD#TRPBF | LTC3548AIMSE#PBF | LTC3548AIMSE#TRPBF | |
|---|---|---|---|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
Linea modelo
Serie: LTC3548A (8)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Micropower Buck Regulators | Internal Power Switch Buck