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Analog Devices LTC3304A | Demoboard DC3203A
Evaluating the LTC3304A, 3.3 V to 1.2 V at 6 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 | 1.2 V / 6 A |
Beschreibung
Demonstration Circuit DC3203A features the LTC3304A, 5 V, 6 A synchronous step-down silent switcher operating as a 2 MHz, 3.3 V to 1.2 V, 6 A buck regulator. The LTC3304A supports adjustable output voltages from 0.5 V to VIN. The LTC3304A 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 DC3203A operating mode can be selected as Burst Mode operation, skip (PS), or forced continuous (FC) mode. Setting JP1 to the SKIP position allows the LTC3304A to sync to a clock frequency from 1.6 MHz to 2.4 MHz. The LTC3304A operates in forced continuous mode when syncing to an external clock.The DC3203A also has an EMI filter to reduce conducted EMI. This EMI filter can be included by applying the input voltage at the VIN EMI terminal. The EMI performance of the board is shown in the EMI Test Results section. The red lines in the EMI performance graphs show the CISPR25 Class 5 peak limits for the conducted and radiated emission tests.
Eigenschaften
- LTC3304A evaluation board
- Transient circuit included for load-transient evaluation
- EMI filter included to reduce noise in EMI emission tests
Typische Anwendungen
- Automotive
- Industrial
- Optical Networking, Servers, Telecom, Communications
- Distributed DC Power Systems (POL), FPGA, ASIC, µP Core Supplies
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | f(mm) | Z @ 100 MHz(Ω) | Zmax(Ω) | RDC(mΩ) | Pins | Typ | Montageart | L(mm) | H(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WA-SNSR Self-Retaining Spacer, 4.8 mm, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWA-SNSR Self-Retaining Spacer | Bohrung in Blende4.8 mm | – | – | – | – | – | – | Länge12.7 mm | – | – | – | Betriebstemperatur -30 °C up to +85 °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 | |||
 | WE-MPSA EMI Multilayer Power Suppression Bead, –, 100 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 |