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| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
| Number of Pins | 10 |
| Operating Temperature | -40°C~125°C TJ |
| Packaging | Tape & Reel (TR) |
| JESD-609 Code | e0 |
| Pbfree Code | no |
| Part Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Number of Terminations | 10 |
| ECCN Code | EAR99 |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Position | DUAL |
| Terminal Form | GULL WING |
| Peak Reflow Temperature (Cel) | 260 |
| Terminal Pitch | 0.5mm |
| Base Part Number | LM3743 |
| Function | Step-Down |
| Number of Outputs | 1 |
| Output Voltage | 4.6V |
| Output Type | Transistor Driver |
| Input Voltage-Nom | 3.3V |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Output Configuration | Positive |
| Output Current | 20A |
| Voltage - Supply (Vcc/Vdd) | 3V~5.5V |
| Quiescent Current | 1.8mA |
| Control Features | Current Limit, Enable, Soft Start, Tracking |
| Input Voltage (Min) | 3V |
| Topology | Buck |
| Control Mode | VOLTAGE-MODE |
| Frequency - Switching | 300kHz |
| Input Voltage (Max) | 5.5V |
| Control Technique | PULSE WIDTH MODULATION |
| Synchronous Rectifier | Yes |
| Switcher Configuration | PUSH-PULL |
| Max Frequency | 345kHz |
| Max Duty Cycle | 91 % |
| Clock Sync | No |
| Length | 3mm |
| Width | 3mm |
| RoHS Status | Non-RoHS Compliant |
| Lead Free | Contains Lead |
LM3743MMX-300 Datasheet
+8613715157867