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Details
| Topologie | Ladungspumpe |
| Eingangsspannung | 5.5-38 V |
| Ausgang 1 | 3.3 V / 0.25 A |
| Ausgang 2 | 5 V / 0.1 A |
| IC-Revision | A |
Beschreibung
he LTC®3256 is a wide input range switched capacitorstep-down DC/DC converter that produces two regulatedoutputs: a 5V output via direct connection to the chargepump output, and a 3.3V output via a low dropout (LDO)linear post-regulator. The device provides up to 350mAof total output current. At 12V VIN and maximum load onboth outputs, power dissipation is reduced by over 2Wcompared to a dual LDO regulator solution
Eigenschaften
Input Voltage Range: 5.5V to 38VIndependently Enabled 5V and 3.3V Fixed Outputs5V Output: 100mA Max3.3V LDO Output: 250mA MaxMultimode Step-Down Charge Pump (2:1, 1:1) withAutomatic Mode SwitchingLow Quiescent Current20μA with Both Outputs Regulating (No Load)0.5μA in ShutdownEngineered for Diagnostic Coverage inISO26262 Systems1.1V Reference Output for System DiagnosticsPower-On Reset and Watchdog Controller withAdjustable TimingOvercurrent Fault Protection on Each OutputOvertemperature Protection150°C Max Operating Junction TemperatureThermally Enhanced 16-Lead MSOP Package
Typische Anwendungen
- Automotive ECU/CAN Transceiver Supplies
- Industrial/Telecom Housekeeping Supplies
- Low Power 12V to 5V and 3.3V Conversion
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | Pins | Typ | Montageart | L(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-PHD Kurzschlussbrücken, 2, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Kurzschlussbrücken | Pins2 | – | – | – | Nennstrom3 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -25 °C up to +105 °C | |||
 | WR-PHD Stiftleisten, 3, Gerade | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | Pins3 | TypGerade | MontageartTHT | Länge6 mm | Nennstrom2 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C | |||
 | WR-PHD Stiftleisten, 4, Gerade | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | Pins4 | TypGerade | MontageartTHT | Länge8 mm | Nennstrom2 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C |