Datasheet Linear Technology LTC3831 — Ficha de datos
| Fabricante | Linear Technology |
| Serie | LTC3831 |
Controlador regulador de conmutación síncrona de alta potencia para terminación de memoria DDR
Hojas de datos
LTC3831 - High Power Synchronous Switching Regulator Controller for DDR Memory Termination
PDF, 219 Kb, Revisión: B, Archivo subido: sept 23, 2017
Extracto del documento
Precios
Embalaje
| LTC3831EGN#PBF | LTC3831EGN#TRPBF | LTC3831IGN#PBF | LTC3831IGN#TRPBF | |
|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 |
| Package | SSOP-16 Dibujo del esquema del paquete | SSOP-16 Dibujo del esquema del paquete | SSOP-16 Dibujo del esquema del paquete | SSOP-16 Dibujo del esquema del paquete |
| Package Code | GN | GN | GN | GN |
| Package Index | 05-08-1641 (GN16) | 05-08-1641 (GN16) | 05-08-1641 (GN16) | 05-08-1641 (GN16) |
| Pin Count | 16 | 16 | 16 | 16 |
Paramétricos
| Parameters / Models | LTC3831EGN#PBF | LTC3831EGN#TRPBF | LTC3831IGN#PBF | LTC3831IGN#TRPBF |
|---|---|---|---|---|
| Architecture | Constant Frequency Voltage Mode | Constant Frequency Voltage Mode | Constant Frequency Voltage Mode | Constant Frequency Voltage Mode |
| Demo Boards | DC470A | DC470A | DC470A | DC470A |
| Design Tools | LTspice Model | LTspice Model | LTspice Model | LTspice Model |
| Export Control | no | no | no | no |
| Features | No Rsense, DDR Mode, Resistor Set Frequency, External Synchronization | No Rsense, DDR Mode, Resistor Set Frequency, External Synchronization | No Rsense, DDR Mode, Resistor Set Frequency, External Synchronization | No Rsense, DDR Mode, Resistor Set Frequency, External Synchronization |
| Frequency, kHz | 500 | 500 | 500 | 500 |
| Frequency Adjust Range | 100kHz - 500kHz | 100kHz - 500kHz | 100kHz - 500kHz | 100kHz - 500kHz |
| Frequency Sync Range | 100kHz - 500kHz | 100kHz - 500kHz | 100kHz - 500kHz | 100kHz - 500kHz |
| Integrated Inductor | no | no | no | no |
| Ishutdown, µA | 1 | 1 | 1 | 1 |
| Isupply, mA | 0.7 | 0.7 | 0.7 | 0.7 |
| Monolithic | no | no | no | no |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Operating Temperature Range, °C | 0 to 85 | 0 to 85 | -40 to 85 | -40 to 85 |
| Output Current, A | 20 | 20 | 20 | 20 |
| Polyphase | no | no | no | no |
| Sense Resistor | None | None | None | None |
| Switch Current, A | 20 | 20 | 20 | 20 |
| Synchronous | yes | yes | yes | yes |
| Topology | Buck | Buck | Buck | Buck |
| Vin Max, V | 8 | 8 | 8 | 8 |
| Vin Min, V | 3 | 3 | 3 | 3 |
| Vout Max, V | 8 | 8 | 8 | 8 |
| Vout Maximum | VIN/2 | VIN/2 | VIN/2 | VIN/2 |
| Vout Min, V | 1.25 | 1.25 | 1.25 | 1.25 |
Plan ecológico
| LTC3831EGN#PBF | LTC3831EGN#TRPBF | LTC3831IGN#PBF | LTC3831IGN#TRPBF | |
|---|---|---|---|---|
| RoHS | Obediente | Obediente | Obediente | Obediente |
Artículos
- High Efficiency DDR Termination Power Supplies Source and Sink More than 10 Amps &mdash LT JournalPDF, 205 Kb, Archivo publicado: marzo 1, 2002Extracto del documento
Linea modelo
Serie: LTC3831 (4)
Clasificación del fabricante
- Power Management > Switching Regulator > DDR Memory/Bus Termination