Datasheet Linear Technology LTC3838EUHF-1#PBF
Manufacturer | Linear Technology |
Series | LTC3838-1 |
Part Number | LTC3838EUHF-1#PBF |
Dual, Fast, Accurate Step-Down DC/DC Controller with Dual Differential Output Sensing
Datasheets
Datasheet LTC3838-1
PDF, 890 Kb, Language: en, File uploaded: Sep 23, 2017, Pages: 54
Dual, Fast, Accurate Step-Down DC/DC Controller with Dual Differential Output Sensing
Dual, Fast, Accurate Step-Down DC/DC Controller with Dual Differential Output Sensing
Extract from the document
Prices
Packaging
Package | 5x7 QFN-38 |
Package Code | UHF |
Package Index | 05-08-1701 |
Parametrics
Architecture | Controlled On-Time Valley Current Mode |
Demo Boards | DC1997A-A |
Design Tools | LTspice File,LTpowerCAD Model |
Export Control | no |
Features | Differential Remote Sense, External Synchronization, Resistor Set Frequency, DCR Current Sense, Power Good, Tracking |
Frequency | 2000 kHz |
Frequency Adjust Range | 200kHz to 2MHz |
Frequency Sync Range | 200kHz to 2MHz |
Integrated Inductor | no |
Ishutdown | 15 µA |
Isupply | 3 mA |
Max Phases | 2 |
Monolithic | no |
Number of Outputs | 2 |
Operating Temperature Range | 0 to 85 °C |
Output Current | 30 A |
Output Current 2 | 30 A |
Polyphase | yes |
Sense Resistor | Rsense, 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 | 5.5 V |
Vout Maximum | 5.5V |
Vout Min | 0.6 V |
Vout Min 2 | 0.6 V |
Vref Accuracy Over Temp | 0.67 % |
Eco Plan
RoHS | Compliant |
Application Notes
- Modeling and Loop Compensation Design of Switching Mode Power Supplies &mdash AN149PDF, 1.4 Mb, File published: Mar 23, 2015Extract from the document
Articles
- Dual, Fast, Step-Down Controller's External Reference Input Enables Dynamic Voltage Scaling from 0.4V to 5.5V and 0.3% Total Combined Regulation Accuracy &mdash LT JournalPDF, 2.8 Mb, File published: Apr 10, 2013Extract from the document
Model Line
Series: LTC3838-1 (4)
- LTC3838EUHF-1#PBF LTC3838EUHF-1#TRPBF LTC3838IUHF-1#PBF LTC3838IUHF-1#TRPBF
Manufacturer's Classification
- Power Management > Switching Regulator > Step-Down (Buck) Regulators > Multiple Output Buck | External Power Switch Buck Controllers
Other Names:
LTC3838EUHF-1PBF, LTC3838EUHF-1 PBF, LTC3838EUHF1#PBF, LTC3838EUHF 1#PBF