Datasheet Linear Technology LTC3875IUH#TRPBF — Datenblatt
Hersteller | Linear Technology |
Serie | LTC3875 |
Artikelnummer | LTC3875IUH#TRPBF |
Dualer 2-Phasen-Synchronregler mit niedriger DCR-Erfassung und Temperaturkompensation
Datenblätter
Datasheet LTC3875
PDF, 997 Kb, Sprache: en, Datei hochgeladen: Sep 24, 2017, Seiten: 46
Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation
Dual, 2-Phase, Synchronous Controller with Low Value DCR Sensing and Temperature Compensation
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Preise
Verpackung
Package | 5x5 QFN-40 |
Package Code | UH |
Package Index | 05-08-1746 |
Parameter
Architecture | Constant Frequency Current Mode |
Demo Boards | DC2000A,DC2055A,DC2142A,DC2225A |
Design Tools | LTspice File,LTpowerCAD File |
Export Control | no |
Features | Resistor Set Frequency, External Synchronization, Differential Remote Sense, Sub-Milliohm DCR Current Sense, Tracking, Power Good |
Frequency | 720 kHz |
Frequency Adjust Range | 250kHz - 720kHz |
Frequency Sync Range | 250kHz - 720kHz |
Integrated Inductor | no |
Ishutdown | 40 µA |
Isupply | 7 mA |
Max Phases | 2, 3, 4, 6, 12 |
Monolithic | no |
Number of Outputs | 2 |
Operating Temperature Range | -40 to 85 °C |
Output Current | 30 A |
Output Current 2 | 30 A |
Polyphase | yes |
Sense Resistor | Rsense, DCR, Sub-Milliohm DCR |
Switch Current | 30 A |
Switch Current 2 | 30 A |
Synchronous | yes |
Topology | Buck |
Topology 1 | Buck |
Topology 2 | Buck |
Vin Max | 38 V |
Vin Min | 4.5 V |
Vout Max | 5 V |
Vout Maximum | 3.5V (low DCR) or 5V (without low DCR) |
Vout Min | 0.6 V |
Vout Min 2 | 0.6 V |
Vref Accuracy Over Temp | 0.75 % |
Öko-Plan
RoHS | Compliant |
Artikel
- 4-Phase Power Supply Delivers 120A in Tiny Footprint, Features Ultralow DCR Sensing for High Efficiency &mdash LT JournalPDF, 313 Kb, Datei veröffentlicht: Jul 7, 2015Auszug aus dem Dokument
- High Efficiency PolyPhase Power Supply Delivers 30A per Phase with Ultralow Inductor DCR Sensing and Fast Transient Response &mdash LT JournalPDF, 501 Kb, Datei veröffentlicht: Jan 6, 2014Auszug aus dem Dokument
Modellreihe
Serie: LTC3875 (8)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | High Input Voltage Buck | External Power Switch Buck Controllers
Andere Namen:
LTC3875IUHTRPBF, LTC3875IUH TRPBF