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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) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Montageart | C | VR (V (DC)) | Endurance (h) | Betriebstemperatur | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | Pins (Value) (pcs) | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Farbe | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447798180 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-PDF SMT-Speicherdrossel | 1.8 | 12.8 | 4.5 | 74 | SMT | – | – | – | -40 °C bis zu +150 °C | – | – | – | – | – | 10.2 | 2 | – | 6.1 | – | – | 14.5 | – | – | ||
 | 875105344009 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-PSLP Aluminium-Polymer-Kondensatoren | – | – | – | – | V-Chip SMT | 82 µF | 16 | 2000 | -55 °C bis zu +105 °C | 2200 | 35 | 400 | 8 | 6.3 | 5.8 | – | – | – | – | – | – | 15" Tape & Reel | – | ||
 | 60900213421 | SPEC | – | 3 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm Multi-Jumper Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2.44 | 1 | – | – | Jumper | – | 3 | Beutel | Schwarz | |
 | 61300211121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | 5.08 | 2 | Single | – | Pin Header | Gerade | 3 | Beutel | – | |
 | 61300311121 | SPEC | – | 6 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | THT | – | – | – | – | – | – | – | – | – | 7.62 | 3 | Single | – | Pin Header | Gerade | 3 | Beutel | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 7447798180 | SPEC | |
| 875105344009 | SPEC | |
| 60900213421 | SPEC | – |
| 61300211121 | SPEC | – |
| 61300311121 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | ISAT (A) | RDC max. (mΩ) | fres (MHz) | Montageart | C | VR (V (DC)) | Endurance (h) | Betriebstemperatur | IRIPPLE (mA) | RESR (mΩ) | ILeak (µA) | DF (%) | Ø D (mm) | L (mm) | Pins (Value) (pcs) | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Farbe | Muster |
|---|