| PartNumber | AP2138R-1.2TRG1 | AP2138R-2.8TRG1 | AP2138R-3.0TRG1 |
| Description | LDO Voltage Regulators Ultra Low Q Curr LDO 0.25A 1.2V 1uA 55dB | LDO Voltage Regulators LDO CMOS LowCu | LDO Voltage Regulators LDO CMOS LowCu |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated |
| Product Category | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear |
| Series | AP2138R | AP2138R | AP2138R |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Package Case | TO-243AA | SOT-89-3 | SOT-89-3 |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | SOT-89 | SOT-89 | SOT-89 |
| Voltage Input | 2.5 V ~ 6.6 V | Up to 6.6V | Up to 6.6V |
| Current Output | 250mA | 250mA | 250mA |
| Voltage Output | 1.2V | 2.8V | 3V |
| Regulator Topology | Positive Fixed | Positive Fixed | Positive Fixed |
| Voltage Dropout Typical | 1V @ 250mA | 0.5V @ 250mA | 0.45V @ 250mA |
| Number of Regulators | 1 | 1 | 1 |
| Current Limit Min | - | - | - |
| Product | - | LDO Regulators | LDO Regulators |
| Type | - | Positive Voltage | Positive Voltage |
| Unit Weight | - | 0.004603 oz | 0.004603 oz |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Output Type | - | Fixed | Fixed |
| Tolerance | - | 2 % | 2 % |
| Number of Outputs | - | 1 Output | 1 Output |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Minimum Operating Temperature | - | - 40 C | - 40 C |
| Output Voltage | - | 2.8 V | 3 V |
| Operating Supply Current | - | 1 uA | 1 uA |
| Input Voltage MAX | - | 6 V | 6 V |
| Output Current | - | 250 mA | 250 mA |
| Input Voltage MIN | - | 2.5 V | 2.5 V |
| Load Regulation | - | 25 mV | 25 mV |
| Dropout Voltage Max | - | 800 mV at 250 mA | 700 mV at 250 mA |
| Line Regulation | - | 6 mV | 6 mV |