| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 1 MHz |
| Number of Pins | 8 Pin |
| Supply Voltage (DC) | 76.0V (max) |
| Case/Package | MSOP-8 |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 6.00V ~ 75.0V |
| Output Voltage | 73 V |
| Output Current | 0.5 A |
| Quiescent Current | 600 µA |
| Number of Regulated Outputs | 1 Output |
| Switching Frequency | 1 MHz |
| Topology | Buck |
| Input Voltage (Max) | 75 V |
| Input Voltage (Min) | 6 V |
| Output Voltage (Max) | 40 V |
| Output Voltage (Min) | 0.2 V |
| Output Current (Max) | 500 mA |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 6V ~ 75V |
| Supply Voltage (Max) | 75 V |
| Supply Voltage (Min) | 6 V |
| Input Voltage | 75 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 3 mm |
| Size-Width | 3 mm |
| Size-Height | 0.86 mm |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM3402/HV 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 735 mA (typical) for step-down (Buck) regulators. 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.
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