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Texas Instruments LM5141-Q1 | Demoboard LM5141QRGEVM
LM5141QRG Synchronous Buck Converter Evaluation Module
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 5.5-42 V |
| Schaltfrequenz | 2000-2400 kHz |
| Ausgang 1 | 5 V / 5 A |
Beschreibung
The LM5141-Q1 is a synchronous buck controller,intended for high voltage wide VIN step-downconverter applications. The control method is basedon current mode control. Current mode controlprovides inherent line feed-forward, cycle-by-cyclecurrent limiting, and ease of loop compensation. TheLM5141-Q1 features slew rate control to simplify thecompliance with the CISPR and Automotive EMIrequirements.The LM5141-Q1 has two selectable switchingfrequencies, 2.2 MHz and 440 kHz, and Gate Driverswith Slew Rate Control, for reduced conducted EMI.
Eigenschaften
The EVM supports the following features and performance capabilities:
- The LM5141-Q1 is Qualified to AEC-Q100 Grade 1 (–40ºC to +125ºC Operating JunctionTemperature)
- VIN 5.5 to 42 V
- Fixed 5-V output, or Adjustable From 1.5–15 V
- Shutdown mode IQ: 10 μA
- Low IQ Standby: 42 μA Typical (Output in Regulation, No Load)
- Fixed 2.2 MHz, or 440 kHz Oscillator Frequency
- Oscillator Can Shift From the Fundamental With a Resistor From the RT Pin to Ground, or an Analog
- Voltage of 0 V to 0.6 V
- The Internal Oscillator can be Synchronized to an External Clock
- Spread Spectrum
- EN Enable Output
- Hiccup Mode for Sustained Overload
- Power Good
- Gate Drive With Slew Rate Control
- Diode Emulation or Forced Pulse-Width Modulation
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Montageart | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | RESR(mΩ) | ILeak(µA) | DF(%) | Ø D(mm) | L(mm) | Verpackung | Pins | Typ | H(mm) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Farbe | Gender | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PDF SMT-Speicherdrossel, 1.8 µH, 14.5 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PDF SMT-Speicherdrossel | Induktivität1.8 µH | Nennstrom14.5 A | Sättigungsstrom12.8 A | Gleichstromwiderstand4.5 mΩ | Eigenresonanzfrequenz74 MHz | MontageartSMT | – | – | – | – | – | – | – | – | Länge10.2 mm | – | Pins2 | – | Höhe6.1 mm | – | Betriebstemperatur -40 °C up to +150 °C | – | – | ||||
 | WCAP-PSLP Aluminium-Polymer-Kondensatoren, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-PSLP Aluminium-Polymer-Kondensatoren | – | – | – | – | – | MontageartV-Chip SMT | Kapazität82 µF | Nennspannung16 V (DC) | Endurance 2000 | Rippelstrom2200 mA | ESR (Serienersatzwiderstand)35 mΩ | Leckstrom400 µA | Verlustfaktor8 % | Durchmesser6.3 mm | Länge5.8 mm | Verpackung15" Tape & Reel | – | – | – | – | Betriebstemperatur -55 °C up to +105 °C | – | – | ||||
 | WR-PHD Kurzschlussbrücken, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | Nennstrom3 A | – | – | – | – | – | – | – | – | – | – | – | – | Länge2.44 mm | VerpackungBeutel | Pins1 | – | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +125 °C | FarbeSchwarz | GenderJumper | |||
 | WR-PHD Stiftleisten - Einreihig, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | Nennstrom3 A | – | – | – | MontageartTHT | – | – | – | – | – | – | – | – | Länge5.08 mm | VerpackungBeutel | Pins2 | TypGerade | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste | |||
 | WR-PHD Stiftleisten - Einreihig, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | Nennstrom3 A | – | – | – | MontageartTHT | – | – | – | – | – | – | – | – | Länge7.62 mm | VerpackungBeutel | Pins3 | TypGerade | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste |