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| Part Number | LT1939IDD | LT1939EDD |
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Obsolete | Obsolete |
| Topology | Step-Down (Buck) (1), Linear (LDO) (1) | Step-Down (Buck) (1), Linear (LDO) (1) |
| Number of Outputs | 2 | 2 |
| Frequency - Switching | 500kHz ~ 2.4MHz | 500kHz ~ 2.4MHz |
| Voltage/Current - Output 1 | 0.8V ~ 24.25V, 2A | 0.8V ~ 24.25V, 2A |
| Voltage/Current - Output 2 | 0.8V ~ 24.25V, 1A | 0.8V ~ 24.25V, 1A |
| Voltage/Current - Output 3 | - | - |
| w/LED Driver | No | No |
| w/Supervisor | No | No |
| w/Sequencer | No | No |
| Voltage - Supply | 3V ~ 25V | 3V ~ 25V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad |
| Supplier Device Package | 12-DFN (3x3) | 12-DFN (3x3) |
