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Overview
| Topology | Push-Pull Converter symmetrical isolated |
| Input voltage | 10-15.5 V |
| Output 1 | 12 V / 0.2 A |
| Output 2 | -12 V / 0.2 A |
Description
The DC2049A demonstrates how a power supply regulatestwo output voltage by using the LT®3999 and low dropout(LDO) regulators.The LT3999 is a monolithic push-pull DC/DC driver whichfeatures wide input range and small external passivecomponents.The LT3999 has duty circle control for ΔVIN compensation,which allows for a wide input voltage range and lowLDO losses.
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | VIN | VOut1(V (DC)) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (RMS)) | L(mm) | W(mm) | H(mm) | Mount | Pins | Type | IR(A) | Working Voltage(V (AC)) | Operating Temperature | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-PPTI Push-Pull Transformers, 3.3 V (DC), 5 V (DC) | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 3.3 V (DC) | Output Voltage 15 V (DC) | Output Current 10.5 A | Type of InsulationReinforced | Switching Frequency 250 - 550 | Voltage-µSecond10 Vµs | Turns Ratio1:2 | Inductance340 µH | Insulation Test Voltage5000 V (RMS) | Length9.14 mm | Width12.7 mm | Height7.62 mm | MountSMT | – | – | – | – | Operating Temperature -40 °C up to +125 °C | –Check availability | ||
 | SPECWE-PPTI Push-Pull Transformers, 10 - 15 V (DC), 12 V (DC) | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 10 - 15 V (DC) | Output Voltage 112 V (DC) | Output Current 10.5 A | Type of InsulationFunctional | Switching Frequency 1000 - 1500 | Voltage-µSecond68 Vµs | Turns Ratio1:2 | Inductance160 µH | Insulation Test Voltage1000 V (RMS) | Length9.78 mm | Width9.14 mm | Height10.54 mm | MountSMT | – | – | – | – | Operating Temperature -40 °C up to +125 °C | –Check availability | ||
 | SPECWR-PHD Pin Header, –, – | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header | – | – | – | – | – | – | – | – | – | Length6 mm | – | – | MountTHT | Pins3 | TypeStraight | Rated Current2 A | Working Voltage200 V (AC) | Operating Temperature -40 °C up to +105 °C | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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