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Diodes Incorporated AP64501SP | Demoboard AP64501SP-EVM
40V, 5A, Low IQ, Synchronous DC/DC Buck Converter with Programmable Soft-Start Time
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 3.8-40 V |
| Ausgang 1 | 39 V / 5 A |
| IC-Revision | 1.0 |
Beschreibung
The AP64501 is 5A, synchronous buck converter with a wide input voltage range of 3.8V to 40V. The device fully integrates a 45mΩ high-side power MOSFET and a 20mΩ low-side power MOSFET to provide high-efficiency step-down DC/DC conversion. The AP64501 device is easily used by minimizing the external component count due to its adoption of peak current mode control. The AP64501 design is optimized for Electromagnetic Interference (EMI) reduction. The converter features Frequency Spread Spectrum (FSS) with a switching frequency jitter of ±6%, which reduces EMI by not allowing emitted energy to stay in any one frequency for a significant period of time. It also has a proprietary gate driver scheme to resist switching node ringing without sacrificing MOSFET turn-on and turn-off times, which reduces high frequency radiated EMI noise caused by MOSFET switching. The device is available in a SO-8EP package.
Eigenschaften
- Wide Input Range: 3.8V to 40V
- 5A Continuous Output Current
- 0.8V ±1% Reference Voltage
- 25µA Ultralow Quiescent Current (Pulse Frequency Modulation)
- 570kHz Switching Frequency
- Programmable Soft-Start Time
- Proprietary Gate Driver Design for Best EMI Reduction
- Frequency Spread Spectrum (FSS) to Reduce EMI
- Low-Dropout (LDO) Mode
- Precision Enable Threshold to adjust UVLO
- Protection Circuitry-Undervoltage Lockout (UVLO)-Output Overvoltage Protection (OVP)-Cycle-by-Cycle Peak Current Limit-Thermal Shutdown
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free. “Green” Device
Typische Anwendungen
- Network Systems, Optical Communication and Networking Systems
- White Goods and Small Home Appliances, Home Audio, Consumer Electronics
- 5V, 12V, and 24V Distributed Power Bus Supplies, Cordless Power Tools, General Purpose Point of Load
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | Tol. C | VR(V (DC)) | Bauform | Betriebstemperatur | DF(%) | RISO | Keramiktyp | L(mm) | B(mm) | H(mm) | Fl(mm) | Verpackung | L(µH) | IR(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 25 V(DC), 10 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität10 nF | Kapazität±10% | Nennspannung25 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor3.5 % | Isolationswiderstand10 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität100 nF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor3 % | Isolationswiderstand5 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | |||||
 | WE-PDF SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-PDF SMT-Speicherdrossel | – | – | – | Bauform1045 | Betriebstemperatur -40 °C up to +150 °C | – | – | – | Länge10.2 mm | Breite10.2 mm | Höhe4.2 mm | – | – | Induktivität3.6 µH | Nennstrom8.2 A | Sättigungsstrom8.5 A | Gleichstromwiderstand12.2 mΩ | Eigenresonanzfrequenz55 MHz | MontageartSMT |