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Details
| Topologie | Aufwärtswandler |
| Eingangsspannung | 6-20 V |
| Ausgang 1 | 0.2 A |
| Ausgang 2 | 3.3 V / 0.8 A |
| Ausgang 3 | 5 V / 0.2 A |
| IC-Revision | 1 |
Beschreibung
DC2246A is a linear regulator featuring the LT®3042EDD,which is a 200mA, ultralow noise, and ultrahigh powersupply rejection ratio (PSRR) RF low dropout (LDO) linearregulator with programmable current limit.DC2246A operates over an input range of 3.8V to 20V.The LT3042 has a maximum output current of 200mA. Itfeatures ultralow noise (0.8µVrms from 10Hz to 100kHz)and very high PSRR (79dB at 1MHz). The power goodfeedback (PGFB) pin voltage is programmable for powergoodthreshold. A currentlimitfunctionisprovided. CurrentmonitoringisalsoachievablebysensingthevoltageofILIM.Built-in protection includes reverse battery protection,reverse current protection, internal current limit withfoldback and thermal limit with hysteresis.The LT3042 data sheet gives a complete description of thedevice, operation and applications information. The datasheet must be read in conjunction with this Demo Manualfor demonstration circuit DC2246A. The LT3042EDD isassembled in a 10-lead (3mm x 3mm) plastic DFN packagewith an exposed pad on the bottom-side of the IC.Proper board layout is essential for maximum thermalperformance and ultrahigh PSRR.Design files for this circuit board are available athttp://www.linear.com/demo/DC2246A
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Downloads | Status | Produktserie | f(mm) | Pins | Typ | Montageart | L(mm) | IR(A) | Arbeitsspannung(V (AC)) | Betriebstemperatur | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WA-SNSR Self-Retaining Spacer, 4.8 mm, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWA-SNSR Self-Retaining Spacer | Bohrung in Blende4.8 mm | – | – | – | Länge12.7 mm | – | – | Betriebstemperatur -30 °C up to +85 °C | |||
 | 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 | 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, –, 6 | Downloads7 Dateien | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWR-PHD Stiftleisten | – | Pins6 | TypGerade | MontageartTHT | Länge6 mm | Nennstrom2 A | Arbeitsspannung200 V (AC) | Betriebstemperatur -40 °C up to +105 °C |