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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 2.7-5.5 V |
| Schaltfrequenz | 1200-3000 kHz |
| Ausgang 1 | 3.6 V / 3 A |
| IC-Revision | 003 |
Beschreibung
The XC9273 series is a group of synchronous-rectification type DC/DC converters with a built-in 47mΩ P-channel MOS driver transistor and 36mΩ N-channel MOS switching transistor, designed to allow the use of ceramic capacitors. The small on-resistances of these two internal driver transistors enable a high efficiency, stable power supply with an output current up to 3.0A. A 0.6V reference voltage source is incorporated, and the output voltage can be set freely by external resistors. Oscillation frequency is set to 1.2MHz or 3.0MHz can be selected for suiting to your particular application. The operation mode is HISAT-COT (*) control, which has an excellent transient response. PWM control or PWM/PFM auto switching control can be selected at the MODE1 pin, and a high-speed response, low ripple, and high efficiency are achieved across the entire load range (from light loads to heavy loads). As for the soft-start function as fast as 0.25ms in typical for quick turn-on. The soft start time can be set as desired by adding an external capacitance to the SS pin. Internal protection circuits include over current protection, short-circuit protection, and thermal shutdown circuits to enable safe use. Short circuit protection or Hiccup mode can be selected at the MODE2 pin. Soft-off function and CL High Speed discharge function discharge the electric charge at the output capacitor CL when putting the IC in a stand-by mode. Soft-off function can be selected at the MODE3 pin.
Eigenschaften
- Input Voltage Range: 2.7V ~ 5.5V
- Output Voltage Range: PFM control 0.6V ~ 3.6V; PWM/PFM automatic switching control 0.8V ~ 3.6V
- FB Voltage: 0.6V ± 1.0%
- Output Current: 3.0A
- Oscillation Frequency: 1.2MHz, 3.0MHz
- Efficiency: 95% (VIN=5.0V, VOUT=3.3V, IOUT=1.0A)
- Control Methods: HiSAT-COT® Control;100% Duty Cycle;Mode select between;Fixed PWM and PWM/PFM Auto
- Protection Functions: Thermal Shutdown; Current Limit (Pendent character); HICCUP or Short Circuit Protection
- Functions: UVLO, Soft-Start, Soft-off; CL High Speed Discharge, Power good
- Output Capacitor: Ceramic Capacitor
- Operating Ambient Temperature: -40℃ ~ 105℃
- Package: QFN0404-24C
- Environmentally Friendly: EU RoHS Compliant, Pb Free
Typische Anwendungen
- PC, Graphic board, Storage
- Industrial application, FPGA, SSD, ASIC, DSP
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | IRP,40K (A) | Montageart | C | Tol. C | VR (V (DC)) | Bauform | Betriebstemperatur | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | H (mm) | Fl (mm) | Verpackung | RDC typ. (mΩ) | VOP (V) | RDC (mΩ) | Material | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744373210022 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-LHMI SMT Speicherdrossel | 0.22 | 11.1 | 21.5 | 8 | 230 | 11.4 | SMT | – | – | – | 4012 | -40 °C up to +125 °C | – | – | – | 4.45 | 4.06 | 1 | – | – | 6.6 | 120 | – | – | ||
| 744373240022 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-LHMI SMT Speicherdrossel | 0.22 | 10.8 | 22.3 | 7.3 | 195 | 11.4 | SMT | – | – | – | 4020 | -40 °C up to +125 °C | – | – | – | 4.45 | 4.06 | 1.8 | – | – | 6.6 | 120 | – | – | ||
 | 74438356010 | SPEC | 10 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-MAPI SMT-Speicherdrossel | 1 | 5.3 | 11.5 | 15 | 55 | 10.1 | SMT | – | – | – | 4020 | -40 °C up to +125 °C | – | – | – | 4 | 4 | 2 | – | – | 12 | 80 | – | – | ||
 | 744316100 | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird sich in Kürze das Datenblatt des ausgewählten Produktes ändern. Anbei finden Sie das neue Datenblatt, sowie das noch gültige Datenblatt. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-HCI SMT-Hochstrominduktivität | 1 | 5.5 | 11.5 | 5.225 | 158 | 14.8 | SMT | – | – | – | 5040 | -40 °C up to +150 °C | – | – | – | 5.5 | 5.3 | 4 | – | – | – | – | 4.75 | Superflux | ||
 | 78438356010 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-MAIA SMT Speicherdrossel | 1 | 5.3 | 11.5 | 15 | 55 | 10.1 | SMT | – | – | – | 4020 | -40 °C up to +125 °C | – | – | – | 4.1 | 4.1 | 2.1 | – | – | 12 | – | – | – | ||
| 74438357010 | SPEC | 10 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-MAPI SMT-Speicherdrossel | 1 | 6.2 | 12.5 | 13.5 | 59 | 10.25 | SMT | – | – | – | 4030 | -40 °C up to +125 °C | – | – | – | 4.3 | 4.3 | 3.1 | – | – | 11.6 | 80 | – | – | ||
| 78438357010 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WE-MAIA SMT Speicherdrossel | 1 | 6.2 | 12.5 | 13.5 | 59 | 10.25 | SMT | – | – | – | 4030 | -40 °C up to +125 °C | – | – | – | 4 | 4 | 3 | – | – | 11.6 | – | – | – | ||
 | 885012108004 | SPEC | 7 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 6.3 V(DC) | – | – | – | – | – | – | – | 47 µF | ±20% | 6.3 | 1206 | -55 °C up to +85 °C | 10 | 0.002 GΩ | X5R Klasse II | 3.2 | 1.6 | 1.6 | 0.5 | 7" Tape & Reel | – | – | – | – | ||
| 885012108012 | SPEC | 8 Dateien | Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | – | – | – | 47 µF | ±20% | 10 | 1206 | -55 °C up to +85 °C | 10 | 0.002 GΩ | X5R Klasse II | 3.2 | 1.6 | 1.6 | 0.5 | 7" Tape & Reel | – | – | – | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 744373210022 | SPEC | |
| 744373240022 | SPEC | |
| 74438356010 | SPEC | |
| 744316100 | SPEC Anstehende PCNAufgrund einer anstehenden PCN wird sich in Kürze das Datenblatt des ausgewählten Produktes ändern. Anbei finden Sie das neue Datenblatt, sowie das noch gültige Datenblatt. Bei weiteren Fragen wenden Sie sich bitte an Ihren Vertriebsmitarbeiter. | |
| 78438356010 | SPEC | |
| 74438357010 | SPEC | |
| 78438357010 | SPEC | |
| 885012108004 | SPEC | |
| 885012108012 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L (µH) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | IRP,40K (A) | Montageart | C | Tol. C | VR (V (DC)) | Bauform | Betriebstemperatur | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | H (mm) | Fl (mm) | Verpackung | RDC typ. (mΩ) | VOP (V) | RDC (mΩ) | Material | Muster |
|---|