| PartNumber | ISL9021II2Z-T | ISL9021II1Z-T | ISL9021II3Z-T |
| Description | LDO Voltage Regulators W/LW NOISE HI PSRR LW IQ 1 2 X 1 0 | LDO Voltage Regulators W/LW NOISE HI PSRR LW IQ 1 2 X 1 0 | LDO Voltage Regulators W/LW NOISE HI PSRR LW IQ 1 2 X 1 0 |
| Manufacturer | Renesas Electronics | Intersil | Intersil |
| Product Category | LDO Voltage Regulators | PMIC - Voltage Regulators - Linear | PMIC - Voltage Regulators - Linear |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | WLCSP-4 | - | - |
| Output Voltage | 2.1 V | 1.1 V | 1.3 V |
| Output Current | 1 A | 1 A | 1 A |
| Number of Outputs | 1 Output | 1 Output | 1 Output |
| Polarity | Positive | - | - |
| Input Voltage MAX | 5.5 V | 5.5 V | 5.5 V |
| Input Voltage MIN | 1.5 V | 1.5 V | 1.5 V |
| Output Type | Fixed | Fixed | Fixed |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Dropout Voltage | 0.15 V | 0.15 V at 120 mA | 0.15 V at 120 mA |
| Series | ISL9021 | ISL9021 | ISL9021 |
| Packaging | Reel | Tape & Reel (TR) | Tape & Reel (TR) |
| Height | 0.31 mm | - | - |
| Length | 1.16 mm | - | - |
| Width | 0.98 mm | - | - |
| Brand | Renesas / Intersil | - | - |
| Dropout Voltage Max | 0.25 V | - | - |
| Voltage Regulation Accuracy | +/- 0.8 % | +/- 0.8 % | +/- 0.8 % |
| Product Type | LDO Voltage Regulators | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | PMIC - Power Management ICs | - | - |
| Unit Weight | 0.002413 oz | 0.002413 oz | 0.002413 oz |
| Package Case | - | WLCSP-4 | WLCSP-4 |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Supplier Device Package | - | 4-WLCSP | 4-WLCSP |
| Voltage Input | - | 1.5 V ~ 5.5 V | 1.5 V ~ 5.5 V |
| Current Output | - | 250mA | 250mA |
| Voltage Output | - | 1.1V | 1.3V |
| Regulator Topology | - | Positive Fixed | Positive Fixed |
| Voltage Dropout Typical | - | - | - |
| Number of Regulators | - | 1 | 1 |
| Current Limit Min | - | 260mA | 260mA |
| Dropout Voltage Max | - | 0.25 V at 250 mA | 0.25 V at 250 mA |