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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 2.25-5.5 V |
| Schaltfrequenz | 3000 kHz |
| Ausgang 1 | 1.2 V / 3 A |
Beschreibung
The LTC®3307A is a very small, high efficiency, low noise, monolithic synchronous 3A step-down DC/DC converter operating from a 2.25V to 5.5V input supply. Using constant frequency, peak current mode control at switching frequencies up to 3MHz and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components. Silent Switcher architecture minimizes EMI emissions.
Eigenschaften
- High Efficiency: 8mΩ NMOS, 31mΩ PMOS
- Programmable Frequency to 3MHz
- Tiny Inductor and Capacitors
- Peak Current Mode Control
- 22ns Minimum On-Time
- Wide Bandwidth, Fast Transient Response
- Silent Switcher™ Architecture
- Ultralow EMI Emissions
- Low Ripple Burst Mode® Operation with IQ of 40μA
Typische Anwendungen
- Optical Networking, Servers, Telecom, Communications
- Industrial
- Distributed DC Power Systems (POL), FPGA, ASIC, μP Core Supplies
- Automotive
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | IR (A) | ISAT1 (A) | ISAT2 (A) | RDC max. (mΩ) | fres (MHz) | Version | ISAT (A) | RDC (mΩ) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744040240016 | SPEC | 8 Dateien | WE-LQS SMT-Speicherdrossel | 0.16 | 3.7 | – | – | – | 644 | – | 7 | 16 | ||
 | 74479276124 | SPEC | 8 Dateien | WE-PMCI Power Molded Chip Induktivität | 0.24 | 9 | 2.8 | 6.7 | 21 | 280 | Standard | 5.4 | – | ||
| 74479276147 | SPEC | 8 Dateien | WE-PMCI Power Molded Chip Induktivität | 0.47 | 6.8 | 2.95 | 6.3 | 30 | 165 | Standard | 4.2 | – | ||
 | 74479287147 | SPEC | 8 Dateien | WE-PMCI Power Molded Chip Induktivität | 0.47 | 7.35 | 3.6 | 7.4 | 29 | 150 | Standard | 5 | – |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 744040240016 | SPEC | |
| 74479276124 | SPEC | |
| 74479276147 | SPEC | |
| 74479287147 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | IR (A) | ISAT1 (A) | ISAT2 (A) | RDC max. (mΩ) | fres (MHz) | Version | ISAT (A) | RDC (mΩ) | Muster |
|---|