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| PartNumber | LTC3521EFE#PBF | LTC3521EUF#PBF | LTC3521EFETRPBF |
| Description | Switching Voltage Regulators Synchronous 1A, Buck-Boost and Dual 400mA Buck Converters | Switching Voltage Regulators Synchronous 1A, Buck-Boost and Dual 400mA Buck Converters | |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | - |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TSSOP-20 | QFN-24 | - |
| Output Voltage | 1.8 V to 5.25 V | 1.8 V to 5.25 V | - |
| Output Current | 1 A | 1 A | - |
| Number of Outputs | 3 Output | 3 Output | - |
| Input Voltage MAX | 5.5 V | 5.5 V | - |
| Topology | Boost, Buck | Boost, Buck | - |
| Input Voltage MIN | 1.8 V | 1.8 V | - |
| Switching Frequency | 1.1 MHz | 1.1 MHz | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Series | LTC3521 | LTC3521 | - |
| Packaging | Tube | Tube | - |
| Input Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Quiescent Current | 30 uA | 30 uA | - |
| Type | DC/DC Converter | DC/DC Converter | - |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | - |
| Shutdown | Shutdown | Shutdown | - |
| Development Kit | DC1389A | DC1389A | - |
| Operating Supply Current | 0.030 mA | 0.030 mA | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 74 | 91 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Unit Weight | 0.007055 oz | - | - |