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LM3434 |
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| Part Number | LM3434 |
| Manufacturer | Texas Instruments (https://www.ti.com/) |
| 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. The outp... |
| Features |
1
•2 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 Efficiency • No Output Capacitor Required • Up to 1MHz Switching Frequency • Low IQ, 1mA Typical • Soft Start • Adaptive Programmable ON Time Allows for Constant Ripple Current • 24-Pin WQFN Package APPLICATIONS • Projection Systems • Solid State Lighting • Automotive Lighting DESCRIPTION The LM3434... |
| Document |
 LM3434 Data Sheet
PDF 229.49KB |
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | LM343 |
National Semiconductor |
High Voltage Operational Amplifier |
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| 2 | LM3430 |
Texas Instruments |
Boost Controller |
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| 3 | LM3430 |
National Semiconductor |
high voltage low-side N-channel MOSFET controller |
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| 4 | LM3431 |
Texas Instruments |
3-Channel Constant Current LED Driver |
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| 5 | LM3431 |
National Semiconductor |
3-Channel Constant Current LED Driver |
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| 6 | LM3431A |
National Semiconductor |
3-Channel Constant Current LED Driver |
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Desde 2024. D4U Semiconductor.
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