| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 10kHz ~ 1MHz |
| Number of Pins | 14 Pin |
| Case/Package | HTSSOP-14 |
| Number of Outputs | 1 Output |
| Output Voltage | 0.2V ~ 73V |
| Number of Channels | 1 Channel |
| Quiescent Current | 1.20 mA |
| Topology | Buck |
| Input Voltage (DC Max) | 75 V |
| Input Voltage (DC Min) | 6 v |
| Output Voltage (Max) | 73 V |
| Output Voltage (Min) | 0.2 V |
| Output Current (Max) | 1.5 A |
| Operating Temperature (Max) | 150 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Operating Temperature | -40℃ ~ 150℃ (TJ) |
The LM3406 family are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 2.0A (typical) for step-down (Buck) regulators. Controlled on-time with true average current and an external current sense resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. LED dimming via pulse width modulation (PWM) is achieved using a dedicated logic pin or by PWM of the power input voltage. The product feature set is rounded out with low-power shutdown and thermal shutdown protection.
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