LTC7802JUFDM#WPBF vs LTC3899EFE Vergleich
Detaillierter Direktvergleich von LTC7802JUFDM#WPBF von Analog Devices und LTC3899EFE von Analog Devices. Vergleichen Sie die wichtigsten Spezifikationen, elektrischen Parameter, Gehäuse, Lebenszyklusstatus, Preise und Verfügbarkeit, um das beste Bauteil für Ihre Designanforderungen zu ermitteln.
Analog Devices
LTC7802JUFDM#WPBF - 40V Low IQ Dual Step-Down Controller | ADI
LTC7802JUFDM#WPBF ✓ AktivAnalog Devices
LTC3899EFE - 60V Triple Output Buck/Buck/Boost Sync Controller | ADI
LTC3899EFE ✓ AktivSpezifikationsvergleich
| Parameter | LTC7802JUFDM#WPBF | LTC3899EFE |
|---|---|---|
| Marke | Analog Devices | Analog Devices |
| Kategorie | DC-DC Converters | DC-DC Converters |
| Lebenszyklusstatus | Aktiv | Aktiv |
| Lagerstatus | In Stock | In Stock |
| Stückpreis (USD) | $5,32 | $7,81 |
| Topologie | Dual synchronous buck controller | Triple-output synchronous buck + buck + boost controller |
| Anzahl der Ausgänge | 2 | 3 (2 buck + 1 boost, boost can run PassThru) |
| Eingangsspannungsbereich | 4.5 V to 40 V | — |
| Ausgangsspannungsbereich | 0.8 V to VIN (min 0.8 V) | 800 mV to 60 V |
| Output Current | Dependent on external MOSFETs | — |
| Switching Frequency Range | 100 kHz to 3 MHz (PLL-lockable) | — |
| Maximum Duty Cycle | 99 % | — |
| Feedback Voltage Accuracy | ±1 % over temperature | — |
| Referenzspannung | 0.8 V | — |
| Quiescent Current (Burst Mode) | [DATA_NEEDED: quiescent current spec] | — |
| Betriebstemperaturbereich | -40 C to +150 C (TJ) | — |
| Gehäuse | 28-lead QFN (4x5 mm) with exposed pad | 38-pin TSSOP-EP (FE suffix) |
| MSL-Level | [DATA_NEEDED: MSL rating] | 1 (unlimited floor life at <30C/85%RH) |
| RoHS-Status | Compliant | Compliant (#PBF suffix) |
| Lead-Free | Yes | — |
| Wettable Flanks | Yes (UFDM suffix) | — |
| Spread-Spectrum Modulation | Selectable via PLLIN/SPREAD pin | — |
| Input Voltage Range (VIN) | — | 4.5 V to 60 V |
| Schaltfrequenz | — | Up to 850 kHz (phase-lockable) |
| Ruhestrom | — | 15 µA per channel (regulating) |
| Control Architecture | — | Constant-frequency current-mode |
| MOSFET Driver | — | N-channel synchronous, all channels |
| EXTVCC Internal LDO | — | 5 V (for gate drive from external 5V rail) |
| DRVSET Pin | — | Yes (adjustable gate drive voltage) |
| Protection Features | — | Cycle-by-cycle current limit, short-circuit hiccup, OVP, UV, thermal shutdown |
| Betriebs-Sperrschichttemperatur | — | -40 C to +125 C (extended temp grade) |
| Montageart | — | Surface Mount |