Datasheet Linear Technology LT3971IDD-3.3#TRPBF
| Manufacturer | Linear Technology | 
| Series | LT3971-3.3 | 
| Part Number | LT3971IDD-3.3#TRPBF | 
38V, 1.2A, 2MHz Step-Down Regulator with 2.8µA Quiescent Current
Datasheets
Datasheet LT3971, LT3971-3.3, LT3971-5
PDF, 643 Kb, Language: en, File uploaded: Sep 19, 2017, Pages: 28
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current
38V, 1.2A, 2MHz Step-Down Regulator with 2.8μA Quiescent Current
Extract from the document
Packaging
| Package | 3x3 DFN-10 | 
| Package Code | DD | 
| Package Index | 05-08-1699 | 
Parametrics
| Architecture | Constant Frequency Current Mode | 
| Demo Boards | DC1527A | 
| Design Tools | LTspice File,LTpowerCAD Model | 
| Export Control | no | 
| Features | Burst Mode, Resistor Set Frequency, External Synchronization, Fixed Output | 
| 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 | 2.4 A | 
| Synchronous | no | 
| Topology | Buck | 
| Vin Max | 38 V | 
| Vin Min | 4.3 V | 
| Vout Max | 3.3 V | 
| Vout Maximum | 3.3V | 
| Vout Min | 3.3 V | 
| Vref Accuracy Over Temp | 2.1 % | 
Eco Plan
| RoHS | Compliant | 
Other Options
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: LT3971-3.3 (8)
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Micropower Buck Regulators | Internal Power Switch Buck | High Input Voltage Buck
Other Names:
LT3971IDD-3.3TRPBF, LT3971IDD-3.3 TRPBF, LT3971IDD3.3#TRPBF, LT3971IDD 3.3#TRPBF