| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 8 Pin |
| Case/Package | MSOP |
| Number of Outputs | 1 Output |
| Output Voltage | 40.0 V |
| Output Current | 525 mA |
| Quiescent Current | 600 µA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 1.00 MHz |
| Topology | Buck |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Reel |
The LM3402MM is a Monolithic Switching Regulator designed to deliver constant currents to high power LEDs. It contains a high-side N-channel MOSFET switch with a current limit of 735mA (typical) for step-down (buck) regulator. Hysteretic control with controlled on-time coupled with an external resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected arrays of LEDs of varying number and type, LED dimming by pulse width modulation (PWM), broken/open LED protection, low-power shutdown and thermal shutdown complete the feature set.
● Integrated 0.5A N-channel MOSFET
● Cycle-by-cycle current limit
● No control loop compensation required
● Separate PWM dimming and low power shutdown
● Supports all ceramic-output capacitors and capacitor-less outputs
● Thermal shutdown protection
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