LTC3884EUK vs LTC2974IUP Vergleich
Detaillierter Direktvergleich von LTC3884EUK von Analog Devices und LTC2974IUP von Analog Devices. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Spezifikationsvergleich
| Parameter | LTC3884EUK | LTC2974IUP |
|---|---|---|
| Marke | Analog Devices | Analog Devices |
| Kategorie | DC-DC Converters | Supervisors & Reset |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $7,50 | $7,95 |
| Topologie | Buck (Step-Down), Synchronous | 4-channel PMBus power system manager |
| Anzahl der Ausgänge | 2 | — |
| Ausgangskonfiguration | Positive | — |
| Ausgangstyp | Transistor Driver | — |
| Funktion | Step-Down DC-DC Controller | — |
| Supply Voltage (Vcc/Vdd) | 4.5 V to 38 V | — |
| Schaltfrequenz | 200 kHz to 1 MHz | — |
| Duty Cycle (Max) | 96% | — |
| Synchron-Gleichrichter | Yes | — |
| Steuerungseigenschaften | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | — |
| Serial Interface | I2C / PMBus compliant | — |
| Current Sensing | Sub-milliohm DCR sensing | — |
| Betriebstemperatur | -40C to +125C (junction) | — |
| Gehäuse | 48-QFN (7x7 mm) with exposed pad | 64-lead (9 mm × 9 mm) Plastic QFN |
| Montageart | Surface Mount | Surface Mount |
| MSL-Level | [DATA_NEEDED: MSL rating] | [DATA_NEEDED: MSL rating] |
| RoHS-Status | 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 |
| Schnittstelle | — | PMBus 1.1 / SMBus 2.0 (I²C-compatible) |
| Digital I/O | — | ALERTB, CONTROL, SHARE_CLK, FAULTB pins |
| Betriebstemperaturbereich | — | -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) |