| Part Number | LM3668SD-3034/NOPB | LM3668SDX-3034/NOPB | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Voltage Regulators - DC DC Switching Regulators | PMIC - Voltage Regulators - DC DC Switching Regulators | 
|   |   | |
| Product Status | Not For New Designs | Obsolete | 
| Function | Step-Up/Step-Down | Step-Up/Step-Down | 
| Output Configuration | Positive | Positive | 
| Topology | Buck-Boost | Buck-Boost | 
| Output Type | Programmable | Programmable | 
| Number of Outputs | 1 | 1 | 
| Voltage - Input (Min) | 2.5V | 2.5V | 
| Voltage - Input (Max) | 5.5V | 5.5V | 
| Voltage - Output (Min/Fixed) | 3V, 3.4V | 3V, 3.4V | 
| Voltage - Output (Max) | - | - | 
| Current - Output | 1A | 1A | 
| Frequency - Switching | 2.2MHz | 2.2MHz | 
| Synchronous Rectifier | Yes | Yes | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 12-WFDFN Exposed Pad | 12-WFDFN Exposed Pad | 
| Supplier Device Package | 12-WSON (3x3) | 12-WSON (3x3) |