| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Frequency | 1 MHz |
| Number of Pins | 8 Pin |
| Case/Package | SOIC-8 |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 6.00V ~ 75.0V |
| Output Voltage | 73 V |
| Output Current | 1 A |
| Number of Channels | 1 Channel |
| Number of Positions | 8 Position |
| Quiescent Current | 625 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) | 73 V |
| Output Voltage (Min) | 0.2 V |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 6.75 VDC |
| Supply Voltage (Max) | 75 V |
| Supply Voltage (Min) | 6 V |
| Input Voltage | 6VDC ~ 75VDC |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 4.93 mm |
| Size-Width | 3.94 mm |
| Size-Height | 1.47 mm |
| Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM3404 and LM3404HV devices are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, these devices contain a high-side N-channel MOSFET switch with a current limit of 1.5-A (typical) for step-down (Buck) regulators. Hysteretic controlled on-time and an external 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. Some features are: LED dimming using pulse width modulation (PWM), broken or open LED protection, low-power shutdown, and thermal shutdown.
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