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STMicroelectronics Voltage Regulator 18V Low Dropout 200mA Surface Mount SOT-89 4-Pin LDK320ADU120R
Specifications
| Country of Origin | China |
|---|---|
| Voltage | Regulators STMicroelectronics LDK320ADU120R, Voltage Regulator 18V SOT-89 4-Pin |
| Brand | STMicroelectronics |
| Height | 1.6mm |
| Temperature range | -40 °C to 125 °C |
| Length | 4.6mm |
| Model | LDK320ADU120R |
| Width | 2.6mm |
| Mount Type | Surface |
| Series | LDK320 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-89 |
| Polarity | Positive |
| Maximum Input Voltage | 18V |
| Quiescent Current | 100μA |
| Minimum Input Voltage | 2.5V |
| Pin Count | 4 |
Key Features
- Operates with input voltages ranging from 2.5 V to 18 V.
- Maintains a low typical dropout voltage of 100 mV.
- Designed for low power battery-operated devices with 100 μA quiescent current.
- Includes logic-controlled electronic shutdown to reduce current consumption below 1 μA.
- Equipped with current, SOA, and thermal protection features.
- Compatible with ceramic output capacitors of 1 μF.
- Compact SOT-89 surface mount package with 4 pins.
- Operating temperature range from -40 °C to 125 °C.
Product Description
STMicroelectronics LDK320ADU120R is a high performance low dropout voltage regulator suitable for power management in compact electronic designs, especially battery-powered applications.
Supporting a wide input voltage range from 2.5 V up to 18 V, this device delivers up to 200 mA output current with a typical dropout voltage of only 100 mV, ensuring efficient voltage regulation with minimal power loss.
The LDK320ADU120R features a low quiescent current of 100 μA and an enable logic control for electronic shutdown, allowing the device to consume less than 1 μA in off mode. It is stabilized using a ceramic capacitor with a minimum 1 μF capacitance on the output for reliable operation.
Robust protection mechanisms including current limiting, Safe Operating Area (SOA) protection, and thermal shutdown enhance device reliability and safety across the specified operating temperature range of -40 °C to 125 °C.
The package type is SOT-89 with 4 pins, surface mount compatible. Typical dimensions are 4.6 mm length, 2.6 mm width, and 1.6 mm height. Polarity is positive output regulation. This Voltage Regulator is ideal for industrial, consumer electronics, communication devices, and low power portable equipment requiring stable and efficient voltage regulation.
Operates with input voltages ranging from 2.5 V to 18 V. Low dropout voltage of 100 mV ensures power efficiency. Low quiescent current for battery-powered applications. Electronic shutdown with logic control reduces power consumption.
Built-in current, SOA, and thermal protection. Compatible with 1 μF ceramic output capacitor for stability. Compact SOT-89 surface mount package with 4 pins. Wide working temperature range from -40 °C to 125 °C. Explore detailed specifications and technical documents to support your design and prototyping efforts in voltage regulation applications on EnvMart.
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Frequently Asked Questions
The LDK320ADU120R operates with input voltages ranging from 2.5 V to 18 V.
This voltage regulator can deliver up to 200 mA output current.
It maintains a low typical dropout voltage of 100 mV.
The quiescent current for this model is 100 μA, making it suitable for low power battery-operated devices.
It is compatible with ceramic output capacitors of 1 μF for stability.
The SOT-89 package dimensions are 4.6 mm in length, 2.6 mm in width, and 1.6 mm in height.
The operating temperature range is from -40 °C to 125 °C.
This model includes current limiting, Safe Operating Area (SOA) protection, and thermal shutdown features.
The electronic shutdown feature is logic-controlled, allowing current consumption to drop below 1 μA when off.
The LDK320ADU120R uses positive output regulation.
The country of origin for the LDK320ADU120R is China.
It is ideal for industrial, consumer electronics, communication devices, and low power portable equipment requiring stable voltage regulation.
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