Datasheet Linear Technology LT3493 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LT3493 |
Regulador de conmutación descendente de 1,2 A, 750 kHz en DFN de 2 mm × 3 mm
Hojas de datos
Datasheet LT3493
PDF, 607 Kb, Idioma: en, Archivo subido: sept 18, 2017, Páginas: 20
1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN
1.2A, 750kHz Step-Down Switching Regulator in 2mm × 3mm DFN
Extracto del documento
Precios
Embalaje
| LT3493EDCB#PBF | LT3493EDCB#TRMPBF | LT3493EDCB#TRPBF | LT3493IDCB#PBF | LT3493IDCB#TRMPBF | LT3493IDCB#TRPBF | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Package | 2x3 DFN-6 Dibujo del esquema del paquete | 2x3 DFN-6 Dibujo del esquema del paquete | 2x3 DFN-6 Dibujo del esquema del paquete | 2x3 DFN-6 Dibujo del esquema del paquete | 2x3 DFN-6 Dibujo del esquema del paquete | 2x3 DFN-6 Dibujo del esquema del paquete |
| Package Code | DCB | DCB | DCB | DCB | DCB | DCB |
| Package Index | 05-08-1715 | 05-08-1715 | 05-08-1715 | 05-08-1715 | 05-08-1715 | 05-08-1715 |
| Pin Count | 6 | 6 | 6 | 6 | 6 | 6 |
Paramétricos
| Parameters / Models | LT3493EDCB#PBF | LT3493EDCB#TRMPBF | LT3493EDCB#TRPBF | LT3493IDCB#PBF | LT3493IDCB#TRMPBF | LT3493IDCB#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 |
| Demo Boards | DC897A | DC897A | DC897A | DC897A | DC897A | DC897A |
| Design Tools | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File | LTspice File |
| Export Control | no | no | no | no | no | no |
| Frequency, kHz | 750 | 750 | 750 | 750 | 750 | 750 |
| Integrated Inductor | no | no | no | no | no | no |
| Ishutdown, µA | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
| Isupply, mA | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 |
| Max Phases | 1 | 1 | 1 | 1 | 1 | 1 |
| Monolithic | yes | yes | yes | yes | yes | yes |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Over Voltage Protection, V | 40 | 40 | 40 | 40 | 40 | 40 |
| Polyphase | no | no | no | no | no | no |
| Switch Current, A | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 |
| Synchronous | no | no | no | no | no | no |
| Topology | Buck | Buck | Buck | Buck | Buck | Buck |
| Vin Max, V | 36 | 36 | 36 | 36 | 36 | 36 |
| Vin Min, V | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 | 3.6 |
| Vout Max, V | 34.2 | 34.2 | 34.2 | 34.2 | 34.2 | 34.2 |
| Vout Maximum | .95VIN | .95VIN | .95VIN | .95VIN | .95VIN | .95VIN |
| Vout Min, V | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 | 0.78 |
| Vref Accuracy Over Temp, % | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 | 1.9 |
Plan ecológico
| LT3493EDCB#PBF | LT3493EDCB#TRMPBF | LT3493EDCB#TRPBF | LT3493IDCB#PBF | LT3493IDCB#TRMPBF | LT3493IDCB#TRPBF | |
|---|---|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente | Obediente | Obediente |
Notas de Diseño
- Tiny Monolithic Step-Down Regulators Operate with Wide Input Range &mdash DN390PDF, 158 Kb, Archivo publicado: abr 18, 2006Extracto del documento
Linea modelo
Serie: LT3493 (6)
Clasificación del fabricante
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Internal Power Switch Buck