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Texas Instruments TPS40170 | Demoboard PMP6867
9V - 32V input to -28V/1.5A negative output buck-boost LED current regulator
Details
| Topologie | Abwärts- und Aufwärtswandler |
| Eingangsspannung | 9-32 V |
| Ausgang 1 | -28 V / 1.5 A |
| IC-Revision | C |
Beschreibung
This reference design uses the TPS40170 sync buck controller in a buck-boost converter to regulate the current in a series string of 6 to 8 LEDs (-28V) at up to 1.5A. Efficiency is greater than 93%. The output current can be adjusted with an external control voltage.
Weiterführende Informationen
Artikeldaten
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74435573300 | SPEC | 8 Dateien | WE-HCI SMT-Hochstrominduktivität | 33 | 8.7 | 8 | 9 | 21.7 | 9.5 | MnZn |
| Artikel Nr. | Datenblatt | Simulation | |
|---|---|---|---|
| 74435573300 | SPEC |
| Muster |
|---|
| Artikel Nr. | Datenblatt | Simulation | Downloads | Produktserie | L (µH) | IRP,40K (A) | ISAT1 (A) | ISAT,30% (A) | RDC (mΩ) | fres (MHz) | Material | Muster |
|---|