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RT9187CGB
+NomenclatureIC REG LDO ADJ 0.6A SOT23-5
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FabricantRichtek USA Inc.
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Pièce fabricant #RT9187CGB
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Fiche technique RT9187CGB DataSheet
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Package SC-74A, SOT-753
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En stock4135
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Spécifications
| Attribut | Valeur |
| Package | Tape & Reel (TR) |
| ProductStatus | Active |
| OutputConfiguration | Positive |
| OutputType | Adjustable |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 5.5V |
| Voltage-Output(Min/Fixed) | 0.8V |
| Voltage-Output(Max) | 4.8V |
| VoltageDropout(Max) | 0.2V @ 500mA |
| Current-Output | 600mA |
| Current-Quiescent(Iq) | 400 µA |
| PSRR | 60dB ~ 50dB (100Hz ~ 10kHz) |
| ControlFeatures | Enable |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Présentation
Description
Key features of the RT9187CGB include a wide input voltage range, typically from around 2.5V to 5.5V, and the ability to deliver a fixed output voltage with good accuracy. It provides overcurrent and overtemperature protection to ensure reliability and safety during operation. The RT9187CGB is packaged in a compact form, often a SOT-23 or similar, making it ideal for space-constrained designs.
The regulator is frequently used in consumer electronics, smartphones, tablets, and other devices where stable voltage regulation is necessary. Its simplicity and effectiveness in managing power make it a popular choice for designers looking to maintain performance while extending battery life.
Equivalent
1. LM1117 Series by Texas Instruments
2. MIC5205 by Microchip Technology
3. LP2985 by Texas Instruments
4. ADP3330 by Analog Devices
These alternatives offer similar functionality, but specifications like output current, voltage range, and dropout voltage should be compared to ensure suitability for your specific application.
Features
1. Low Dropout Voltage: The RT9187CGB offers a low dropout voltage, which is essential for maintaining regulation with minimal input-output voltage differential.
2. Fixed Output Voltage: It provides a fixed output voltage, ensuring stable power supply for various applications.
3. High Accuracy: It delivers precise voltage regulation with high accuracy, making it suitable for sensitive electronic components.
4. Fast Transient Response: The regulator quickly responds to changes in load conditions, maintaining stable output voltage.
5. Current Limitation: It is equipped with a built-in current limit to protect against excessive current that could damage the circuit.
6. Thermal Protection: Includes thermal shutdown to prevent overheating, enhancing the device's reliability and longevity.
7. Small Package Size: The chip comes in a compact package, making it ideal for space-constrained applications.
These features make the RT9187CGB a reliable choice for applications requiring efficient and stable voltage regulation with minimal space requirements.
Pinout
1. VOUT: This is the output pin where the regulated voltage is provided.
2. GND: This pin is connected to the ground.
3. VIN: This pin is for the input voltage that needs to be regulated.
4. CE (Chip Enable): This pin is used to enable or disable the regulator. When it is high, the regulator is active.
5. NC or ADJ (No Connect or Adjust): Depending on the specific variant of the RT9187CGB, this pin may be either not connected or used to adjust the output voltage.
The RT9187CGB is designed for applications requiring a stable voltage supply with low dropout voltage, typically found in battery-operated devices or portable equipment.