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Details
| Topologie | Abwärtswandler |
| Eingangsspannung | 5-19 V |
| Schaltfrequenz | 500 kHz |
| Ausgang 1 | 0.9 V / 25 A |
Beschreibung
The PWR799EVM is designed as a single output DC-DC converter that demonstrates the TPS543B20 in a typical low-voltage application while providing a number of test points to evaluate the performance. It uses a nominal 12-V input bus to produce a regulated 0.9-V output at up to 25-A load current. The TPS543B20 employs an internally compensated emulated peak-current-mode control, with a clock synchronizable, fixed-frequency modulator for EMI-sensitive POL. The internal integrator and directly amplifying ramp tracking loop eliminate the need for external compensation over a wide range of frequencies thereby making the system design flexible, dense, and simple. Optional API and body braking help improve transient performance by significantly reducing undershoot and overshoot, respectively. Integrated NexFET™ MOSFETs with low-loss switching facilitate high efficiency and deliver up to 25 A in a 5-mm × 7-mm PowerStack™ package with a layout friendly thermal pad. Two TPS543B20 devices can be stacked together to provide up to 50-A point-of-load
Eigenschaften
- Internally-Compensated Advanced Current Mode Control 25-A POL
- Input Voltage Range: 4 V to 19 V
- Output Voltage Range: 0.6 V to 5.5 V
- Integrated 4.1/1.9-mΩ Stacked NexFET™ Power Stage With Lossless Low-Side Current Sensing
- Fixed Frequency - Synchronization to an External Clock and/or Sync Out
- Pin Strapping Programmable Switching Frequency 300 kHz to 2 MHz for Standalone
- 300 kHz to 1 MHz for Stackable
- Stack 2× for up to 50 A With Current Share, Voltage Share, and CLK Sync
- Pin Strapping Programmable Reference from 0.6 V to 1.1 V With 0.5% Accuracy
- Differential Remote Sensing
- Safe Start-Up into Prebiased Output
- High-Accuracy Hiccup Current Limit
- Asynchronous Pulse Injection (API) and Body Braking
- 40-pin, 5-mm × 7-mm LQFN Package with 0.5-mm Pitch and Single Thermal Pad
- Create a Custom Design Using the TPS543B20 With the WEBENCH® Power Designer
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | PCB/Kabel/Panel | Modularity | Wire Section | C | Tol. C | VR (V (DC)) | Bauform | Betriebstemperatur | Q | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | Fl (mm) | L (nH) | LR (nH) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Endurance (h) | Betriebstemperatur | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | Pins | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691242510004 | SPEC | – | 6 Dateien | WR-TBL Serie 2425 - 5.08 mm Horizontal Entry Modular w. Rising Cage Clamp | Rising Cage Clamp | PCB | Nein | 12 to 30 (AWG) 3.31 to 0.0509 (mm²) | – | – | – | – | -30 °C up to +120 °C | – | – | – | – | 20.32 | – | – | – | – | – | – | – | – | – | – | -30 °C bis zu +120 °C | – | – | – | 4 | – | – | – | Horizontal | 24 | Karton | |
 | 744309047 | SPEC | 8 Dateien | WE-HCM SMT-Hochstrominduktivität | – | – | – | – | – | – | – | 1390 | -40 °C up to +125 °C | – | – | – | – | 14 | 13 | 1.8 | 470 | 200 | 35.1 | 46.8 | 0.165 | 22 | MnZn | – | – | – | – | – | 2 | – | 9 | – | – | 47.5 | – | ||
 | 865230457008 | SPEC | 9 Dateien | WCAP-AS5H Aluminum Electrolytic Capacitors | – | – | – | – | 330 µF | ±20% | 25 | 10.0 x 10.5 | -40 °C up to +105 °C | – | 16 | 0.30303 MΩ | – | 10.5 | 10.3 | – | – | – | – | – | – | – | – | 5000 | -40 °C bis zu +105 °C | 375 | 82.5 | 10 | – | – | – | – | – | – | 15" Tape & Reel | ||
 | 885012005057 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | 22 pF | ±5% | 50 | 0402 | -55 °C up to +125 °C | 840 | – | 10 GΩ | NP0 Klasse I | 1 | 0.5 | 0.25 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.5 | – | – | – | 7" Tape & Reel | ||
| 885012006062 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | 680 pF | ±5% | 50 | 0603 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Klasse I | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206020 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 10 V(DC) | – | – | – | – | 100 nF | ±10% | 10 | 0603 | -55 °C up to +125 °C | – | 5 | 5 GΩ | X7R Klasse II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206071 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 25 V(DC) | – | – | – | – | 100 nF | ±10% | 25 | 0603 | -55 °C up to +125 °C | – | 3.5 | 5 GΩ | X7R Klasse II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | -55 °C bis zu +125 °C | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206095 | SPEC | 8 Dateien | WCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | 100 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 3 | 5 GΩ | X7R Klasse II | 1.6 | 0.8 | 0.4 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012108005 | SPEC | 7 Dateien | WCAP-CSGP MLCCs 6.3 V(DC) | – | – | – | – | 100 µF | ±20% | 6.3 | 1206 | -55 °C up to +85 °C | – | 10 | 0.001 GΩ | X5R Klasse II | 3.2 | 1.6 | 0.5 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 1.6 | – | – | – | 7" Tape & Reel | ||
 | 61300211121 | SPEC | – | 6 Dateien | WR-PHD 2.54 mm THT Pin Header | – | – | – | – | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 5.08 | – | – | – | – | – | – | – | – | – | – | – | – | – | – | 2 | Single | – | Pin Header | Gerade | 3 | Beutel |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 691242510004 | SPEC | – |
| 744309047 | SPEC | |
| 865230457008 | SPEC | |
| 885012005057 | SPEC | |
| 885012006062 | SPEC | |
| 885012206020 | SPEC | |
| 885012206071 | SPEC | |
| 885012206095 | SPEC | |
| 885012108005 | SPEC | |
| 61300211121 | SPEC | – |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | Anwendung | PCB/Kabel/Panel | Modularity | Wire Section | C | Tol. C | VR (V (DC)) | Bauform | Betriebstemperatur | Q | DF (%) | RISO | Keramiktyp | L (mm) | W (mm) | Fl (mm) | L (nH) | LR (nH) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Endurance (h) | Betriebstemperatur | IRIPPLE (mA) | ILeak (µA) | Ø D (mm) | Pins | Reihen | H (mm) | Gender | Typ | IR (A) | Verpackung | Muster |
|---|