Datasheet Linear Technology LT3991IDD#TRPBF
| Manufacturer | Linear Technology |
| Series | LT3991 |
| Part Number | LT3991IDD#TRPBF |
55V, 1.2A Step-Down Regulator with 2.8µA Quiescent Current
Datasheets
Datasheet LT3991, LT3991-3.3, LT3991-5
PDF, 398 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 24
55V, 1.2A Step-Down Regulator with 2.8μA Quiescent Current
55V, 1.2A Step-Down Regulator with 2.8μA Quiescent Current
Extract from the document
Prices
Packaging
| Package | 3x3 DFN-10 |
| Package Code | DD |
| Package Index | 05-08-1699 |
Parametrics
| Architecture | Constant Frequency Current Mode |
| Demo Boards | DC1526A |
| Design Tools | LTspice File,LTpowerCAD Model |
| Export Control | no |
| Features | Burst Mode, Resistor Set Frequency, External Synchronization |
| Frequency | 2000 kHz |
| Frequency Adjust Range | 200kHz - 2MHz |
| Frequency Sync Range | 250kHz - 2MHz |
| Integrated Inductor | no |
| Ishutdown | 0.7 µA |
| Isupply | 0.0017 mA |
| Max Phases | 1 |
| Monolithic | yes |
| Number of Outputs | 1 |
| Operating Temperature Range | -40 to 85 °C |
| Output Current | 1.2 A |
| Polyphase | no |
| Switch Current | 2.3 A |
| Synchronous | no |
| Topology | Buck |
| Vin Max | 55 V |
| Vin Min | 4.3 V |
| Vout Max | 30 V |
| Vout Maximum | 30V |
| Vout Min | 1.19 V |
| Vref Accuracy Over Temp | 2.1 % |
Eco Plan
| RoHS | Compliant |
Articles
- 1.2A Buck Converters Draw Only 2.8µA When Regulating Zero Load, Accept 38VIN or 55VIN &mdash LT JournalPDF, 955 Kb, File published: Dec 1, 2009Extract from the document
Model Line
Series: LT3991 (16)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
Other Names:
LT3991IDDTRPBF, LT3991IDD TRPBF
