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| PartNumber | RT9172-18CG | RT9172-18GM | RT9172-18PG |
| Description | 1.8V FIXED POSITIVE LDO REGULATOR, 0.7V DROPOUT, PDSO3 | IC REG LINEAR 1.8V 3A TO263-3 | |
| Manufacturer | RICHTEK | Richtek USA Inc. | RT |
| Product Category | IC Chips | PMIC - Voltage Regulators - Linear | IC Chips |
| Series | - | - | - |
| Packaging | - | Tape & Reel (TR) | - |
| Package Case | - | TO-263-4, D2Pak (3 Leads + Tab), TO-263AA | - |
| Operating Temperature | - | -40°C ~ 125°C | - |
| Mounting Type | - | Surface Mount | - |
| Supplier Device Package | - | TO-263-3 | - |
| Voltage Input | - | 2.25 V ~ 5.5 V | - |
| Current Output | - | 3A | - |
| Voltage Output | - | 1.8V | - |
| Regulator Topology | - | Positive Fixed | - |
| Voltage Dropout Typical | - | 0.4V @ 3A | - |
| Number of Regulators | - | 1 | - |
| Current Limit Min | - | 3.5A | - |