LM3668QDNTRQ1
IC REG BCK BST PROG 1A 12WSON
Pmic Voltage Regulators Dc Dc Switching Regulators
12-WFDFN Exposed Pad
Automotive, AEC-Q100
Not For New Designs
$2.76 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LM3668QDNTRQ1 |
| Package / Case | 12-WFDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Topology | Buck-Boost |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 4.5V, 5V |
| Current - Output | 1A |
| Frequency - Switching | 1.9MHz ~ 2.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 12-WSON (4x4) |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
LM3668QDNTRQ1 by Texas Instruments is a Buck-Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 4.5V, 5V. The 12-WFDFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Function | Step-Up/Step-Down |
| Topology | Buck-Boost |
| Output Type | Programmable |
| Current - Output | 1A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 1.9MHz ~ 2.5MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 2.7V |
| Voltage - Output (Min/Fixed) | 4.5V, 5V |
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