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STMicroelectronics Voltage Regulator 1.2A 2.5V-18V Input SOT-223 3-Pin LDL1117S15R
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Regulators STMicroelectronics LDL1117S15R, Voltage Regulator 18V SOT-223 3-Pin R |
| Brand | STMicroelectronics |
| Height | 1.7mm |
| Operating Temperature Range | -40 °C to 125 °C package SOT225 |
| Length | 6.7mm |
| Model | LDL1117S15R |
| Width | 3.7mm |
| Mount Type | Surface |
| Series | LDL1117 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-223 |
| Polarity | Positive |
| Maximum Input Voltage | 18V |
| Quiescent Current | 500μA |
| Minimum Input Voltage | 2.6V |
| Pin Count | 3 |
Key Features
- Supports maximum input voltage of 18 V for wide operating range.
- Typical dropout voltage of 350 mV at 1.2 A output current.
- Includes internal thermal, current, and power limitations for safety.
- High power supply rejection ratio of 87 dB at 120 Hz enhances voltage stability.
- Operates reliably between -40 °C and 125 °C ensuring robust temperature tolerance.
- Surface mount design eases PCB assembly and compact system integration.
- Optimized for positive polarity applications requiring precise voltage regulation.
- Pin count of 3 with package dimensions 6.7 mm length, 3.7 mm width, and 1.7 mm height.
Product Description
STMicroelectronics LDL1117S15R is a high-performance voltage regulator designed to provide up to 1.2 A output current with a wide input voltage range from 2.5 V to 18 V. Packaged in a compact SOT-223 surface mount device with 3 pins, it delivers efficient linear regulation, making it suitable for modern electronic applications.
This regulator offers a typical dropout voltage of 350 mV at 1.2 A, ensuring minimal voltage loss and highly efficient power conversion. The device features an impressive power supply rejection ratio (PSRR) of 87 dB at 120 Hz, which helps reduce noise and stabilize the output voltage under varying input conditions.
Designed for robust operation, the LDL1117S15R includes internal thermal shutdown, current limiting, and power limiting protections, safeguarding both the device and the system during abnormal operation. It is rated for a maximum operating temperature of 125 °C and operates reliably down to -40 °C, suitable for industrial and commercial electronics.
The device's positive polarity and surface mount SOT-223 package facilitate easy integration into compact printed circuit boards, supporting modern electronic device miniaturization requirements.
Common industrial applications include switching mode power supplies (SMPS), post regulators in DC-DC converter circuits, embedded systems, and consumer electronics where a stable regulated voltage supply is critical.
Supports wide input voltage range from 2.5 V to 18 V. Output current capability of 1.2 A for demanding loads. Internal thermal and current protections for device reliability. Compact SOT-223 package optimizes board space.
High PSRR ensures low output noise and ripple. Operates in harsh temperature conditions from -40 °C to 125 °C.
Choose the STMicroelectronics LDL1117S15R Voltage Regulator for reliable, efficient linear voltage regulation tasks in a small, surface-mount form factor. Browse EnvMart's electronics and power management IC categories for more high quality semiconductor components from leading brands.
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Frequently Asked Questions
The LDL1117S15R supports a wide input voltage range from 2.5 V to 18 V.
This voltage regulator can deliver an output current of up to 1.2 A.
The typical dropout voltage is 350 mV at an output current of 1.2 A.
The package dimensions are 6.7 mm in length, 3.7 mm in width, and 1.7 mm in height.
It operates reliably between -40 °C and 125 °C.
This model features a surface mount design, which facilitates PCB assembly.
It includes internal thermal shutdown, current limiting, and power limiting protections for enhanced safety.
The power supply rejection ratio is 87 dB at 120 Hz, which helps stabilize the output voltage.
Common applications include switching mode power supplies, post regulators in DC-DC converter circuits, and embedded systems.
This voltage regulator has a pin count of 3.
The quiescent current is 500 μA.
This voltage regulator is designed for positive polarity applications.
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