Datasheet Linear Technology LT3992 — 数据表
| 制造商 | Linear Technology |
| 系列 | LT3992 |
单片双通道3A降压开关稳压器
数据表
Datasheet LT3992
PDF, 678 Kb, 语言: en, 文件上传: Sep 19, 2017, 页数: 36
Monolithic Dual Tracking 3A Step-Down Switching Regulator
Monolithic Dual Tracking 3A Step-Down Switching Regulator
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价格
打包
| 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 包装外形图 | TSSOP-38 包装外形图 | 5x5 QFN-32 包装外形图 | 5x5 QFN-32 包装外形图 | TSSOP-38 包装外形图 | TSSOP-38 包装外形图 | TSSOP-38 包装外形图 | TSSOP-38 包装外形图 | 5x5 QFN-32 包装外形图 | 5x5 QFN-32 包装外形图 |
| 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 |
参数化
| 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 |
生态计划
| 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 |
模型线
系列: LT3992 (10)
制造商分类
- 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