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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 2.7-5.5 V |
| Schaltfrequenz | 1200-1600 kHz |
| Ausgang 1 | 3.3 V / 1 A |
| IC-Revision | J |
Beschreibung
The SP6652 is a high efficiency, synchronous buck regulator ideal for portable applications using one Li-Ion cell, with up to 1A of output current. The 1.4MHz switching frequency and PWM control loop are optimized for a small value inductor and ceramic output capacitor, for space constrained portable designs. In addition, the input voltage range of 2.7V to 5.5V; excellent transient response, output accuracy, and ability to transition into 100% duty cycle operation -- further extending useful battery life -- make the SP6652 a superior choice for a wide range of portable power applications. A logic level shutdown control, external clock synchronization, and forced-PWM or automatic control inputs are provided. Other features include soft-start, over current protection and 140ºC over-temperature shutdown.
Eigenschaften
1A Output Current
- 1.4MHz Constant Frequency Operation
- 97% Efficiency Possible
- 0.5μA (Max.) Shutdown Current
- Adjustable Output Voltage
- No External FETs or Schottky Diode Required
- Uses Small Value Inductors and Ceramic Output Capacitors
- Low Dropout Operation: 100% Duty Cycle
- Soft Start and thermal Shutdown Protection
- Easy Frequency Synchonization
- Lead Free, RoHS Compliant package: l
- Small (3mm X 3mm) 10 Pin DFN or MSOP
Typische Anwendungen
- MP3 Players
- Mobile Phones
- PDAs, USB Devices
- Point of Use Power
- DSCs
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Montageart | Pins | Typ | L(mm) | H(mm) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Farbe | Gender | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT-Speicherdrossel, 3.3 µH, 1.95 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Induktivität3.3 µH | Nennstrom1.95 A | Sättigungsstrom1.8 A | Eigenresonanzfrequenz80 MHz | MontageartSMT | Pins2 | – | Länge4.8 mm | Höhe1.8 mm | – | Betriebstemperatur -40 °C up to +125 °C | – | – | – | ||||
| WE-TPC SMT-Speicherdrossel, 4.7 µH, 1.72 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | Induktivität4.7 µH | Nennstrom1.72 A | Sättigungsstrom1.65 A | Eigenresonanzfrequenz70 MHz | MontageartSMT | Pins2 | – | Länge4.8 mm | Höhe1.8 mm | – | Betriebstemperatur -40 °C up to +125 °C | – | – | – | ||||
 | WR-PHD Kurzschlussbrücken, –, 3 A | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | – | Nennstrom3 A | – | – | – | Pins1 | – | – | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +125 °C | FarbeSchwarz | GenderJumper | VerpackungBeutel | |||
 | Simulation– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten - Einreihig | – | Nennstrom3 A | – | – | MontageartTHT | Pins36 | TypGerade | Länge91.44 mm | – | Arbeitsspannung250 V (AC) | Betriebstemperatur -40 °C up to +105 °C | – | GenderStiftleiste | VerpackungBeutel |