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| PartNumber | LTC1149CS#TRPBF | LTC1149CS#PBF | LTC1149CS |
| Description | Switching Voltage Regulators 5V High Eff Syn Stepdn Sw Reg | Switching Voltage Regulators Hi Eff Sync Buck Sw Regs | Switching Voltage Regulators LTC1149 - High Efficiency Synchronous Step-Down Switching Regulators |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | LT |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | IC Chips |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-16 | SO-16 | - |
| Output Voltage | Adjustable | - | - |
| Number of Outputs | 1 Output | 1 Output | - |
| Input Voltage MAX | 48 V | 48 V | - |
| Topology | Buck | Buck | - |
| Switching Frequency | 250 kHz | 250 kHz | - |
| Minimum Operating Temperature | 0 C | 0 C | - |
| Maximum Operating Temperature | + 70 C | + 70 C | - |
| Series | LTC1149 | LTC1149 | - |
| Packaging | Reel | Tube | - |
| Height | 1.75 mm | 1.75 mm | - |
| Operating Temperature Range | 0 C to + 70 C | 0 C to + 70 C | - |
| Type | High Efficiency Synchronous Step-Down Switching Regulator | Synchronous Step-Down Switching Regulator | - |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | - |
| Shutdown | Shutdown | Shutdown | - |
| Operating Supply Current | 2.2 mA | 2 mA | - |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | - |
| Factory Pack Quantity | 2500 | 50 | - |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | - |
| Input Voltage MIN | - | 9 V | - |
| Input Voltage | - | 12 V | - |