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LT3042IDD#PBF
+NomenclatureIC REG LIN POS ADJ 200MA 10DFN
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #LT3042IDD#PBF
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Fiche technique LT3042IDD#PBF DataSheet
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Package DFN10
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En stock2909
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 20V |
| Voltage-Output(Min/Fixed) | 0V |
| Voltage-Output(Max) | 15V |
| VoltageDropout(Max) | 0.35V @ 200mA (Typ) |
| Current-Output | 200mA |
| PSRR | 117dB ~ 56dB (120Hz ~ 10MHz) |
| ControlFeatures | Current Limit, Enable, Power Good |
| ProtectionFeatures | Over Temperature, Reverse Polarity |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 10-WFDFN Exposed Pad |
Présentation
Description
Key specifications include an input voltage range of 1.8V to 20V and an output voltage range of 0V to 15V, with a maximum output current of 200mA. The LT3042 also features a precision current reference, programmable current limit, and thermal protection, enhancing its reliability and versatility. The "IDD" denotes the device's industrial temperature range, and "#PBF" indicates that it is lead-free and RoHS compliant. Its compact design and robust performance make it suitable for various precision applications where low noise and voltage stability are critical.
Equivalent
1. ADI LT3045 - Offers similar low-noise performance with higher current.
2. Texas Instruments TPS7A47 - High-performance LDO with low noise.
3. Analog Devices ADM7150 - Low-noise, high-PSRR LDO.
4. Maxim Integrated MAX6126 - Low-noise precision voltage reference with similar characteristics.
When selecting an equivalent, ensure compatibility in terms of output voltage, current, noise specifications, and thermal performance.
Features
1. Ultra-Low Noise and PSRR: It offers ultra-low noise of 0.8µV RMS and high power supply rejection ratio (PSRR) of 79dB at 1MHz, making it suitable for sensitive RF and precision applications.
2. Output Current: Capable of delivering up to 200mA of output current.
3. Low Dropout Voltage: Features a low dropout voltage of 350mV at full load, enhancing efficiency.
4. Output Voltage Range: Configurable output voltage from 0V to 15V, providing flexibility for various applications.
5. Current Reference: Integrates a precision current reference to improve regulation.
6. Stability: Ensures stability with ceramic output capacitors as small as 1µF.
7. Protection Features: Includes current limit and thermal protection to prevent damage under fault conditions.
8. Package: Available in a compact, thermally enhanced 10-lead DFN package, suitable for space-constrained designs.
These features make the LT3042IDD#PBF ideal for applications requiring low noise and precise voltage regulation, such as in instrumentation, medical equipment, and communication systems.
Pinout
The device comes in a 10-lead (10-pin) 3mm × 3mm DFN package. The pin functions are generally as follows:
1. IN - Input voltage supply.
2. OUT - Regulated output voltage.
3. SET - Used to set the output voltage with an external resistor.
4. GND - Ground connection.
5. NC - No connection.
6. PG - Power Good indicator.
7. SHDN - Shutdown pin for enabling or disabling the regulator.
8. ILIM - Current limit adjustment.
9. REF/BYP - Reference bypass pin, used to reduce output noise further.
10. CAP - Capacitor connection for stability and transient response improvement.
The LT3042 is distinguished by its ultralow output noise of 0.8µVRMS, high PSRR of 79dB at 1MHz, and an output current capability of 200mA, making it suitable for applications requiring precise voltage regulation and noise-sensitive environments.