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LDO Regulators

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SHT35-DIS-F2.5KS
Sensitron Semiconductor
SENSOR FILT MEM 5V I2C 1.5% SMD
Quantity: 1908
Ship Date: 7-12 working days
1+ $9.4392
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10+ $7.8894
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Ext. Price: $9.43
MOQ: 1
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SPQ: 1
SHT30-DIS-B2.5KS
Sensitron Semiconductor
SENSOR HUMID/TEMP 5V I2C 2% SMD
Quantity: 15000
Ship Date: 7-12 working days
2500+ $1.7625
5000+ $1.7106
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MOQ: 2500
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SPQ: 1
SHT35-DIS-B2.5KS
Sensitron Semiconductor
SENSOR HUMI/TEMP 5V I2C 1.5% SMD
Quantity: 2500
Ship Date: 7-12 working days
2500+ $5.4602
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x $5.4602
Ext. Price: $13650.50
MOQ: 2500
Mult: 2500
SPQ: 1

LDO Regulators

LDO Controller Definition:

An LDO (Low Dropout) controller is a semiconductor device that regulates voltage in electronic circuits by maintaining a constant output voltage despite variations in input voltage or load current. The "low dropout" feature refers to the minimal voltage difference required between the input and output for the regulator to function effectively, which is typically around 100-200 millivolts.

Functions of an LDO Controller:

1. Voltage Regulation: It stabilizes the output voltage to a specific level, ensuring consistent power supply to the connected components.
2. Load Regulation: It maintains the output voltage stable under varying load conditions.
3. Noise Filtering: It filters out noise from the input voltage, providing a clean power source.
4. Efficiency: LDOs are designed for high efficiency, especially at low output currents, making them suitable for battery-powered devices.

Applications of LDO Controllers:

1. Portable Electronics: In smartphones, tablets, and laptops for providing stable power to sensitive components.
2. Automotive Systems: For voltage regulation in car electronics, such as infotainment systems and sensors.
3. Medical Devices: Ensuring reliable power supply in life-supporting equipment.
4. Industrial Control Systems: For stable power supply in various control and systems.

Selection Criteria for LDO Controllers:

1. Dropout Voltage: The minimum input-output voltage difference required for operation.
2. Output Voltage Accuracy: How closely the output voltage matches the desired set point.
3. Load Regulation: The ability to maintain output voltage under load changes.
4. Line Regulation: The ability to maintain output voltage under input voltage changes.
5. Efficiency: The percentage of input power that is converted to output power.
6. Output Current Capability: The maximum current the LDO can supply.
7. Noise Performance: The level of noise introduced by the LDO.
8. Package Type: Depending on the physical constraints of the application.
9. Temperature Range: The operating temperature range of the device.
10. Cost: The budgetary constraints of the project.

When selecting an LDO controller, it's crucial to consider these factors to ensure it meets the specific requirements of the application.
Please refer to the product rule book for details.