LTC3884EUK vs LTC2974IUP Comparación
Comparación detallada lado a lado de LTC3884EUK por Analog Devices y LTC2974IUP por Analog Devices. Compare las especificaciones clave, los parámetros eléctricos, el encapsulado, el estado del ciclo de vida, los precios y la disponibilidad para determinar el mejor componente para los requisitos de su diseño.
Comparación de especificaciones
| Parámetro | LTC3884EUK | LTC2974IUP |
|---|---|---|
| Marca | Analog Devices | Analog Devices |
| Categoría | DC-DC Converters | Supervisors & Reset |
| Estado del ciclo de vida | Activo | Activo |
| Estado del stock | In Stock | In Stock |
| Precio unitario (USD) | $7,50 | $7,95 |
| Topología | Buck (Step-Down), Synchronous | 4-channel PMBus power system manager |
| Número de salidas | 2 | — |
| Configuración de salida | Positive | — |
| Tipo de salida | Transistor Driver | — |
| Función | Step-Down DC-DC Controller | — |
| Supply Voltage (Vcc/Vdd) | 4.5 V to 38 V | — |
| Frecuencia de conmutación | 200 kHz to 1 MHz | — |
| Duty Cycle (Max) | 96% | — |
| Rectificador síncrono | Yes | — |
| Características de control | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | — |
| Serial Interface | I2C / PMBus compliant | — |
| Current Sensing | Sub-milliohm DCR sensing | — |
| Temperatura de funcionamiento | -40C to +125C (junction) | — |
| Encapsulado | 48-QFN (7x7 mm) with exposed pad | 64-lead (9 mm × 9 mm) Plastic QFN |
| Tipo de montaje | Surface Mount | Surface Mount |
| Nivel MSL | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| Estado RoHS | Compliant (PBF suffix) | Compliant |
| Number of Outputs Managed | — | 4 |
| DAC Resolution | — | 10-bit (per channel) |
| ADC Resolution | — | 16-bit (per channel, differential) |
| Output Voltage Accuracy | — | ±0.25% (servo-trimmed) |
| On-Chip User EEPROM | — | 256 bytes |
| Interfaz | — | PMBus 1.1 / SMBus 2.0 (I²C-compatible) |
| Digital I/O | — | ALERTB, CONTROL, SHARE_CLK, FAULTB pins |
| Rango de temperatura de funcionamiento | — | -40 °C to +105 °C |
| Temperature Sensor | — | Integrated on-chip |
| Supply Voltage (VDD) | — | [DATA_NEEDED: VDD supply voltage] |
| Supply Current (Iq) | — | [DATA_NEEDED: typical quiescent current] |
| Tape and Reel Availability | — | Yes (#TRPBF suffix) |
| Multi-Device Sync | — | Yes (SHARE_CLK pin) |