STMicroelectronicsTO-261-4, TO-261AARoHS
LDL1117S30R
IC REG LINEAR 3V 1.2A SOT223
Category
Subcategory
Pmic Voltage Regulators Linear
Package
TO-261-4, TO-261AA
Status
Active
$0.50 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | LDL1117S30R |
| Package / Case | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Voltage - Input (Max) | 18V |
| Voltage - Output | 3V |
| Current - Output | 1.2A |
| Supplier Device Package | SOT-223 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
LDL1117S30R by STMicroelectronics is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 18V, output 3V. The TO-261-4, TO-261AA package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| PSRR | 87dB ~ 65dB (120Hz ~ 100kHz) |
| Output Type | Fixed |
| Current - Output | 1.2A |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 18V |
| Voltage Dropout (Max) | 0.6V @ 1.2A |
| Current - Quiescent (Iq) | 500 µA |
| Voltage - Output (Min/Fixed) | 3V |
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