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| PartNumber | LT1939EDD#PBF | LT1939IDD#PBF | LT1939EDD#TRPBF |
| Description | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | DFN-12 | DFN-12 | DFN-12 |
| Output Voltage | 0.8 V to 24.25 V | 0.8 V to 24.25 V | 0.8 V to 24.25 V |
| Output Current | 2 A | 2 A | 2 A |
| Number of Outputs | 2 Output | 2 Output | 2 Output |
| Input Voltage MAX | 25 V | 25 V | 25 V |
| Topology | Buck | Buck | Buck |
| Input Voltage MIN | 3 V | 3 V | 3 V |
| Switching Frequency | 250 kHz to 2.2 MHz | 250 kHz to 2.2 MHz | 250 kHz to 2.2 MHz |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Series | LT1939 | LT1939 | LT1939 |
| Packaging | Tube | Tube | Reel |
| Input Voltage | 3 V to 25 V | 3 V to 25 V | 3 V to 25 V |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - 40 C to + 125 C |
| Quiescent Current | 2.5 mA | 2.5 mA | 2.5 mA |
| Type | Monolithic Step-Down Regulator and Linear Regulator / Controller | Monolithic Step-Down Regulator and Linear Regulator / Controller | Monolithic Step-Down Regulator and Linear Regulator / Controller |
| Brand | Analog Devices / Linear Technology | Analog Devices / Linear Technology | Analog Devices / Linear Technology |
| Shutdown | Shutdown | Shutdown | Shutdown |
| Development Kit | DC1293A | DC1293A | DC1293A |
| Load Regulation | 0.8 V | 0.8 V | 0.8 V |
| Operating Supply Current | 2.5 mA | 2.5 mA | 2.5 mA |
| Product Type | Switching Voltage Regulators | Switching Voltage Regulators | Switching Voltage Regulators |
| Factory Pack Quantity | 121 | 121 | 2500 |
| Subcategory | PMIC - Power Management ICs | PMIC - Power Management ICs | PMIC - Power Management ICs |
| Unit Weight | 0.003527 oz | - | - |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Analog Devices / Linear Technology |
LT1939EDD#PBF | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller | |
| LT1939IDD#PBF | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller | ||
| LT1939EDD#TRPBF | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller | ||
| LT1939IDD#TRPBF | Switching Voltage Regulators Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller | ||
| LT1939EDDTRPBF | New and Original | ||
| LT1939IDDPBF | New and Original | ||
Analog Devices Inc. |
LT1939IDD | IC REG DL BUCK/LINEAR 12DFN |