Advanced Monolithic SystemsTO-261-4, TO-261AAROHS3 Compliant
AMS1117-3.3
Fixed 3.3V LDO regulator, 1A, SOT-223
Category
Subcategory
Voltage Regulators - Linear
Package
TO-261-4, TO-261AA
Status
Active
Price available on request
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Parameters
| Parameter | Value |
|---|---|
| Brand | Advanced Monolithic Systems |
| Model | AMS1117-3.3 |
| Package / Case | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Topology | LDO Linear |
| Voltage - Input (Max) | 15V |
| Voltage - Output | 3.3V |
| Current - Output | 1A |
| Supplier Device Package | SOT-223-3 |
| RoHS | ROHS3 Compliant |
| Part Status | Active |
Application & Notes
AMS1117-3.3 by Advanced Monolithic Systems is a LDO Linear IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 15V, output 3.3V. 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.
All Technical Specifications
| Topology | LDO Linear |
| Voltage - Output (Min/Fixed) | 3.3V |
| Current - Output | 1A |
| Voltage - Input (Max) | 15V |
| Dropout Voltage | 1.2V @ 1A |
| PSRR | 60dB @ 120Hz |
| Protection Features | Over Current, Over Temperature, Short Circuit |
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