| Part Number | LTC7149EFE | LTC7149IFE |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators |
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| Product Status | Obsolete | Obsolete |
| Function | Step-Down | Step-Down |
| Output Configuration | Negative | Negative |
| Topology | Buck | Buck |
| Output Type | Adjustable | Adjustable |
| Number of Outputs | 1 | 1 |
| Voltage - Input (Min) | 3.4V | 3.4V |
| Voltage - Input (Max) | 60V | 60V |
| Voltage - Output (Min/Fixed) | 0V | 0V |
| Voltage - Output (Max) | -28V | -28V |
| Current - Output | 4A | 4A |
| Frequency - Switching | 1MHz | 1MHz |
| Synchronous Rectifier | Yes | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 28-TSSOP-EP | 28-TSSOP-EP |