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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 | 2.1 |
Beschreibung
The XC9274/XC9275 series is a group of synchronous-rectification type DC/DC converters with a built-in 51mΩ P-channel MOS driver transistor and 49mΩ 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, the XC9274 series is PWM control, the XC9275 series is PWM/PFM auto switching control, allowing fast response, low ripple, and high efficiency over the full range of loads (from light loads to heavy loads).During stand-by, all circuits are shutdown to reduce current consumption to as low as 1.0μA or less.As for the soft-start function as fast as 0.25ms in typical for quick turn-on.Internal protection circuits include over current protection, short-circuit protection, and thermal shutdown circuits to enable safe use.Short-circuit protection is available only for B,C type.Hiccup mode is available only for D,E type.Soft-off function is available only for B, D type.The package is the SOP-8FD.
Eigenschaften
- Input Voltage Range: 2.7V～5.5V
- Output Voltage Range: 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
- PWM Control (XC9274)
- PWM/PFM auto switching Control (XC9275)
- Protection Circuits: Termal Shutdown
- Current Limit (Pendent character)
- HICCUP(D,E Type)
- Short Circuit Protection(B,C Type)
- Functions: UVLO , Soft-Start
- Soft-off(B,D Type)
- CL High Speed Discharge
- Capacitor: Ceramic Capacitor
- Operating Ambient Temperature: -40°C～+105°C
- Package: SOP-8FD
- 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 | Produktserie | L (µH) | IR,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Montageart | C | Tol. C | VR (V (DC)) | Bauform | Betriebstemperatur | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | H (mm) | Fl (mm) | Verpackung | IRP,40K (A) | RDC typ. (mΩ) | V (V) | RDC (mΩ) | Material | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74438356010 | SPEC | 9 Dateien | WE-MAPI SMT-Speicherdrossel | 1 | 0 | 5.3 | 11.5 | 15 | 55 | SMT | – | – | – | 4020 | -40 °C up to +125 °C | – | – | – | 4 | 4 | 2 | – | – | 10.1 | 12 | 80 | – | – | ||
 | 744316100 | SPEC | 8 Dateien | WE-HCI SMT-Hochstrominduktivität | 1 | – | 5.5 | 11.5 | 5.225 | 158 | SMT | – | – | – | 5040 | -40 °C up to +150 °C | – | – | – | 5.5 | 5.3 | 4 | – | – | 14.8 | – | – | 4.75 | Superflux | ||
 | 78438356010 | SPEC | 8 Dateien | WE-MAIA SMT Speicherdrossel | 1 | 10.1 | 5.3 | 11.5 | 15 | 55 | SMT | – | – | – | 4020 | -40 °C up to +125 °C | – | – | – | 4.1 | 4.1 | 2.1 | – | – | – | 12 | – | – | – | ||
| 74438357010 | SPEC | 9 Dateien | WE-MAPI SMT-Speicherdrossel | 1 | 0 | 6.2 | 12.5 | 13.5 | 59 | SMT | – | – | – | 4030 | -40 °C up to +125 °C | – | – | – | 4 | 4 | 3.1 | – | – | 10.25 | 11.6 | 80 | – | – | ||
| 78438357010 | SPEC | 8 Dateien | WE-MAIA SMT Speicherdrossel | 1 | 10.25 | 6.2 | 12.5 | 13.5 | 59 | SMT | – | – | – | 4030 | -40 °C up to +125 °C | – | – | – | 4 | 4 | 3 | – | – | – | 11.6 | – | – | – | ||
 | 885012108004 | SPEC | 7 Dateien | 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 | 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 | |
|---|---|---|---|
| 74438356010 | SPEC | |
| 744316100 | SPEC | |
| 78438356010 | SPEC | |
| 74438357010 | SPEC | |
| 78438357010 | SPEC | |
| 885012108004 | SPEC | |
| 885012108012 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | IR,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Montageart | C | Tol. C | VR (V (DC)) | Bauform | Betriebstemperatur | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | H (mm) | Fl (mm) | Verpackung | IRP,40K (A) | RDC typ. (mΩ) | V (V) | RDC (mΩ) | Material | Muster |
|---|