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Analog Devices LTC3303A | Demoboard DC3252A
Evaluating the LTC3303A, 3.3 V to 1.2 V at 4 A, 2 MHz Synchronous Step-Down Regulator in a 2 mm × 2 mm SWF FCQFN
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 2.25-5.5 V |
| Schaltfrequenz | 1600-2400 kHz |
| Ausgang 1 | 1.22 V / 4 A |
Beschreibung
Demonstration Circuit DC3252A features the LTC3303A, 5 V, 4 A synchronous step-down silent switcher operating as a 2 MHz, 3.3 V to 1.2 V, 4 A buck regulator. The LTC3303A supports adjustable output voltages from 0.5 V to VIN. The LTC3303A is a compact, high efficiency, and high-speed synchronous monolithic step-down switching regulator. A minimum on-time of 27 ns enables high VIN to low VOUT conversion.The DC3252A operating mode can be selected as Burst Mode operation, skip (PS) or forced continuous (FC) mode. Setting JP1 to the SKIP position allows the LTC3303A to sync to a clock frequency from 1.6 MHz to 2.4 MHz. The LTC3303A operates in forced continuous mode when syncing to an external clock.
Eigenschaften
- LTC3303A evaluation board
- Transient circuit included for load-transient evaluation
- EMI filter included to reduce noise in EMI emission tests
Typische Anwendungen
- Optical Networking, Servers, Telecom, Communications
- Telecom power supplies, FPGA, ASIC, μP Core Supplies, Distributed DC Power Systems (POL)
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | Z @ 100 MHz(Ω) | Zmax(Ω) | RDC(mΩ) | Pins | Typ | Montageart | L(mm) | H(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MPSA EMI Multilayer Power Suppression Bead, 100 Ω, 160 Ω | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-MPSA EMI Multilayer Power Suppression Bead | Impedanz @ 100 MHz100 Ω | Maximale Impedanz160 Ω | Gleichstromwiderstand6 mΩ | – | TypHochstrom | MontageartSMT | Länge4.5 mm | Höhe2.3 mm | Nennstrom8 A | – | Betriebstemperatur -55 °C up to +125 °C | |||
 | WR-PHD Kurzschlussbrücken, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | – | – | Pins2 | – | – | – | – | Nennstrom3 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -25 °C up to +105 °C | |||
 | WR-PHD Stiftleisten, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | – | – | – | Pins3 | TypGerade | MontageartTHT | Länge6 mm | – | Nennstrom2 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C | |||
 | WR-PHD Stiftleisten, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | – | – | – | Pins4 | TypGerade | MontageartTHT | Länge8 mm | – | Nennstrom2 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C |