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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-18 V |
| Ausgang 1 | 15 V / 1.5 A |
| IC-Revision | 1.0 |
Beschreibung
The LX7104 is a 1.4MHz fixed frequency, current mode, PWM buck (step-down) DC-DC converter, capable of driving a 1.5A load with high efficiency, excellent line and load regulation. The device integrates a N-channel power MOSFET switch with low on-resistance. The converter accepts a wide input voltage range from 4.5V to 18V, and provides an output voltage adjustable typically from 0.81 to 15V.Soft-start is built in, and current mode control provides fast transient response and cycle-by-cycle current limit. Short circuit protection will be triggered when current is over limit and FB is below 0.25V.The LX7104ISF is available in SOT23-6 package.
Eigenschaften
- Input Supply Range: 4.5V to 18V
- Output Voltage Adjustable from 0.81V to 15V
- Integrated High-Side NMOS Switch
- Current Mode Control
- Output Current: 1.5A
- Fixed 1.4MHz Frequency
- High Efficiency: Up To 92%
- Built-in Soft-start
- Built-in OV, UV & OT Protection
- Cycle-by-cycle Over Current Protection
- Short Circuit Protection
- RoHS Compliant & Halogen Free
Typische Anwendungen
- Portable DVD
- LCD TV’s / Monitor/DPF
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | Q(%) | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 10 V(DC), 10 nF, ±5% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 10 V(DC) | Kapazität10 nF | Kapazität±5% | Nennspannung10 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | Güte1000 % | – | Isolationswiderstand10 GΩ | KeramiktypNP0 Klasse I | Länge2 mm | Breite1.25 mm | Höhe1.25 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 10 V(DC), 100 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 10 V(DC) | Kapazität100 nF | Kapazität±10% | Nennspannung10 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor5 % | Isolationswiderstand5 GΩ | KeramiktypX7R Klasse II | Länge2 mm | Breite1.25 mm | Höhe0.8 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 10 µF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität10 µF | Kapazität±10% | Nennspannung25 V (DC) | Bauform1206 | Betriebstemperatur -55 °C up to +125 °C | – | Verlustfaktor10 % | Isolationswiderstand0.01 GΩ | KeramiktypX7R Klasse II | Länge3.2 mm | Breite1.6 mm | Höhe1.6 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 6.3 V(DC), 22 µF, ±20% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 6.3 V(DC) | Kapazität22 µF | Kapazität±20% | Nennspannung6.3 V (DC) | Bauform0805 | Betriebstemperatur -55 °C up to +85 °C | – | Verlustfaktor15 % | Isolationswiderstand0.005 GΩ | KeramiktypX5R Klasse II | Länge2 mm | Breite1.25 mm | Höhe1.25 mm | Pad Dimension0.5 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | |||||
 | WE-MAPI SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-MAPI SMT-Speicherdrossel | – | – | – | Bauform4030 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | – | Länge4.3 mm | Breite4.3 mm | Höhe3.1 mm | – | – | Induktivität4.7 µH | Performance Nennstrom5.1 A | Sättigungsstrom @ 30%8.2 A | Gleichstromwiderstand39.9 mΩ | Eigenresonanzfrequenz24 MHz | Betriebsspannung80 V | MontageartSMT |