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Analog Devices LT3073 | Demoboard EVAL-LT3073-AZ
Evaluating the LT3073 3A, Ultra-Low Noise, High PSRR, 45 mV Dropout Ultra-Fast Linear Regulator
Details
| Topologie | Sonstige Topologie |
| Eingangsspannung | 0.6-5.5 V |
| Ausgang 1 | 4.2 V / 3 A |
Beschreibung
The EVAL-LT3073-AZ evaluation board features the LT3073, a 3 A, ultra-low noise, high power-supply rejection ratio (PSRR), 45 mV dropout ultra-fast linear regulator. The input voltage (VIN) range for the VIN power is from 0.6 V to 5.5 V. There are jumpers to set a 3-bit trilevel code that determines the output voltage (VOUT) at preprogrammed levels that range from 0.5 V to 4.2 V. The maximum output current is 3 A. The EVAL-LT3073-AZ requires an external BIAS voltage (VBIAS) that is at least 1.2 V higher than VOUT and is between 2.375 V and 5.5 V.
Eigenschaften
- Ultra-low RMS Noise: 1.2μVRMS (10Hz to 100kHz)
- Ultra-low Spot Noise: 3nV/√Hz at 10kHz
- Ultra-low 1/f Noise: 7μVP-P from 0.1Hz to 10Hz
- High-Frequency PSRR: 52dB at 1MHz
- Ultra-fast Transient Response
- Dropout Voltage: 45mV Typical
- Digitally Programmable VOUT: 0.5V to 4.2V
- Output Tolerance: ±1.5% Over Line, Load, and Temperature
- Precision Current Monitor: ±3% accuracy at 3A
- Programmable Current Limit: ±3% at 3A
- Input Range: 0.6V to 5.5V
- Digital Output Margining: ±2.5%
- Stable with Ceramic Output Capacitors (10μF Minimum)
- Parallel Multiple Devices for Higher Current
- VIOC Pin to Control Upstream Switching Converter
- Precision Enable/Under Voltage Lock Out (UVLO)
- Power Good (PG) Flag
- Temperature Monitor
- 22-Lead (3mm x 4mm) LQFN Package
Typische Anwendungen
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, –, 4 | 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 | |||
 | 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 |