Datasheet Linear Technology LT3992 — Datenblatt
Hersteller | Linear Technology |
Serie | LT3992 |
Monolithischer Dual Tracking 3A Step-Down-Schaltregler
Datenblätter
Datasheet LT3992
PDF, 678 Kb, Sprache: en, Datei hochgeladen: Sep 19, 2017, Seiten: 36
Monolithic Dual Tracking 3A Step-Down Switching Regulator
Monolithic Dual Tracking 3A Step-Down Switching Regulator
Auszug aus dem Dokument
Preise
Verpackung
LT3992EFE#PBF | LT3992EFE#TRPBF | LT3992EUH#PBF | LT3992EUH#TRPBF | LT3992HFE#PBF | LT3992HFE#TRPBF | LT3992IFE#PBF | LT3992IFE#TRPBF | LT3992IUH#PBF | LT3992IUH#TRPBF | |
---|---|---|---|---|---|---|---|---|---|---|
N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Package | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | TSSOP-38 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung | 5x5 QFN-32 Paketumrisszeichnung |
Package Code | FE | FE | UH | UH | FE | FE | FE | FE | UH | UH |
Package Index | 05-08-1772 | 05-08-1772 | 05-08-1693 | 05-08-1693 | 05-08-1772 | 05-08-1772 | 05-08-1772 | 05-08-1772 | 05-08-1693 | 05-08-1693 |
Pin Count | 38 | 38 | 32 | 32 | 38 | 38 | 38 | 38 | 32 | 32 |
Parameter
Parameters / Models | LT3992EFE#PBF | LT3992EFE#TRPBF | LT3992EUH#PBF | LT3992EUH#TRPBF | LT3992HFE#PBF | LT3992HFE#TRPBF | LT3992IFE#PBF | LT3992IFE#TRPBF | LT3992IUH#PBF | LT3992IUH#TRPBF |
---|---|---|---|---|---|---|---|---|---|---|
Architecture | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode | Constant Frequency Current Mode |
Demo Boards | DC1537A | DC1537A | DC1537A | DC1537A | DC1537A | DC1537A | DC1537A | DC1537A | DC1537A | DC1537A |
Design Tools | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model | LTspice File,LTpowerCAD Model |
Export Control | no | no | no | no | no | no | no | no | no | no |
Features | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking | Power Good, Temperature Monitor, External Synchronization, Resistor Set Frequency, Anti-Phase Switching, Tracking |
Frequency, kHz | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 | 2000 |
Frequency Adjust Range | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz |
Frequency Sync Range | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz | 250kHz - 2MHz |
Integrated Inductor | no | no | no | no | no | no | no | no | no | no |
Ishutdown, µA | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
Isupply, mA | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 |
Monolithic | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
Number of Outputs | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Operating Temperature Range, °C | 0 to 85 | 0 to 85 | 0 to 85 | 0 to 85 | -40 to 125 | -40 to 125 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
Output Current, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Output Current 2, A | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Polyphase | yes | yes | yes | yes | yes | yes | yes | yes | yes | yes |
Switch Current, A | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
Switch Current 2, A | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
Synchronous | no | no | no | no | no | no | no | no | no | no |
Topology | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
Topology 1 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
Topology 2 | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck | Buck |
Vin Max, V | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
Vin Min, V | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
Vout Max, V | 58.8 | 58.8 | 58.8 | 58.8 | 58.8 | 58.8 | 58.8 | 58.8 | 58.8 | 58.8 |
Vout Maximum | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin | 0.98Vin |
Vout Min, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Vout Min 2, V | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
Vref Accuracy Over Temp, % | 2.23 | 2.23 | 2.23 | 2.23 | 2.23 | 2.23 | 2.23 | 2.23 | 2.23 | 2.23 |
Öko-Plan
LT3992EFE#PBF | LT3992EFE#TRPBF | LT3992EUH#PBF | LT3992EUH#TRPBF | LT3992HFE#PBF | LT3992HFE#TRPBF | LT3992IFE#PBF | LT3992IFE#TRPBF | LT3992IUH#PBF | LT3992IUH#TRPBF | |
---|---|---|---|---|---|---|---|---|---|---|
RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Modellreihe
Serie: LT3992 (10)
Herstellerklassifikation
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | Internal Power Switch Buck | High Input Voltage Buck
- Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) Switching Regulators