IC-Hersteller Diodes Incorporated
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Diodes Incorporated AP62800 | Demoboard AP62800SJ-EVM
4.5V TO 17V INPUT, 8A SYNCHRONOUS BUCK CONVERTER
Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 4.5-17 V |
| Schaltfrequenz | 400-1200 kHz |
| Ausgang 1 | 5 V / 8 A |
| IC-Revision | 2 |
Beschreibung
The AP62800 is a 8A, synchronous buck converter with a wide input voltage range of 4.5V to 17V. The device fully integrates a 22mΩ high-side power MOSFET and a 10mΩ low-62800side power MOSFET to provide high-efficiency step-down DC-DC conversion.The AP62800 device is easily used by minimizing the external component count due to its adoption of Constant On-Time (COT) control to achieve fast transient response, easy loop stabilization, and low output voltage ripple.The AP62800 design is optimized for Electromagnetic Interference (EMI) reduction. The device 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.
Eigenschaften
VIN: 4.5V to 17VOutput Voltage (VOUT): 0.6V to 7V8A Continuous Output Current0.6V ± 1% Reference Voltage195μA Quiescent CurrentSelectable Operation Modes
- Pulse Frequency Modulation (PFM)
- Ultrasonic Mode (USM)
- Pulse Width Modulation (PWM)Selectable Switching Frequency
- 400kHz
- 800kHz
- 1.2MHzProgrammable Soft-Start TimeProprietary Gate Driver Design for Best EMI ReductionPower-Good IndicatorPrecision Enable Threshold to Adjust UVLOProtection Circuitry
- Undervoltage Lockout (UVLO)
- Cycle-by-Cycle Valley Current Limit
- Thermal Shutdown
Typische Anwendungen
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) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 47 nF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 50 V(DC) | Kapazität47 nF | Kapazität±10% | Nennspannung50 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor3 % | 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 | – | – | – | – | – | – | – | |||||
| WCAP-CSGP MLCCs 25 V(DC), 1 µF, ±10% | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-CSGP MLCCs 25 V(DC) | Kapazität1 µF | Kapazität±10% | Nennspannung25 V (DC) | Bauform0603 | Betriebstemperatur -55 °C up to +125 °C | Verlustfaktor10 % | Isolationswiderstand0.5 GΩ | KeramiktypX7R Klasse II | Länge1.6 mm | Breite0.8 mm | Höhe0.8 mm | Pad Dimension0.4 mm | Verpackung7" Tape & Reel | – | – | – | – | – | – | – | |||||
 | WE-XHMI SMT Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-XHMI SMT Speicherdrossel | – | – | – | Bauform6030 | Betriebstemperatur -40 °C up to +125 °C | – | – | – | Länge6.65 mm | Breite6.45 mm | Höhe3 mm | – | – | Induktivität1.2 µH | Performance Nennstrom14.45 A | Sättigungsstrom @ 30%21.6 A | Gleichstromwiderstand6.4 mΩ | Gleichstromwiderstand7.04 mΩ | Eigenresonanzfrequenz53 MHz | MontageartSMT |