Datasheet Details
| Part number | LM3434 |
|---|---|
| Manufacturer | National Semiconductor (now Texas Instruments) |
| File Size | 287.82 KB |
| Description | Common Anode Capable High Brightness LED Driver |
| Datasheet |
 LM3434 Datasheet
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General Description
The LM3434 is an adaptive constant on-time DC/DC buck (step-down) constant current controller (a true current source).
The LM3434 provides a constant current for illuminating high power LEDs.
Key Features
- include thermal shutdown, VCC under-voltage lockout, and logic level shutdown mode. The LM3434 is available in a low profile LLP-24 package. Features.
- Operating input voltage range of -9V to -30V w. r. t. LED anode.
- Control inputs are referenced to the LED anode.
- Output current greater than 6A.
- Greater than 30kHz PWM frequency capable.
- Negative output voltage capability allows LED anode to be tied directly to chassis for maximum heat sink efficacy.
- No output capacito.