Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
The MIC3287 is a 1.2MHz pulse width modulated (PWM) step-up switching regulator that is optimized for constant current white LED driving applications. With a maximum output voltage of 24V and a switch current of over 350mA, the MIC3287 drives a string of up to 4 white LEDs in series, ensuring uniform brightness and eliminating several ballast resistors. The .
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• 2.8V to 5.5V Input Voltage 350mA Switch Current 1.2 MHz PWM Operation 250mV Feedback Voltage 24V Output Over-Voltage Protection (OVP) Option <1% Line and Load Regulation <1µA Shutdown Current Over-Temperature Protection Under-Voltage Lock Out (UVLO) Low Profile Thin SOT-23-5 Package Option Low Profile Thin SOT-23-6 Package Option 8-pin 2mm x 2mm MLF™ Package Option
–40°C to +125°C Junction Temperature Range
Applications
• White LED Driver for Backlighting: - Cell phones - PDAs - GPS systems - Digital cameras - MP3 players - IP phones
• LED Flashlights
• Constant Curren.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | MIC3289 |
Micrel Semiconductor |
1.2MHz PWM White LED Driver |
|
| 2 | MIC3201 |
Micrel Semiconductor |
High Brightness LED Driver |
|
| 3 | MIC3202 |
Micrel Semiconductor |
High-Brightness LED Driver |
|
| 4 | MIC3202-1 |
Micrel Semiconductor |
High-Brightness LED Driver |
|
| 5 | MIC3203 |
Micrel Semiconductor |
High-Brightness LED Driver Controller |
|
| 6 | MIC3203-1 |
Micrel Semiconductor |
High-Brightness LED Driver Controller |
|
| 7 | MIC3223 |
Micrel Semiconductor |
High Power Boost LED Driver |
|
| 8 | MIC3230 |
Micrel Semiconductor |
Constant Current Boost Controller |
|
| 9 | MIC3231 |
Micrel Semiconductor |
Constant Current Boost Controller |
|
| 10 | MIC3232 |
Micrel Semiconductor |
Constant Current Boost Controller |
|
| 11 | MIC3263 |
Micrel Semiconductor |
Six-Channel WLED Driver for Backlighting Applications |
|
| 12 | MIC3291 |
Micrel Semiconductor |
1.2MHz PWM White LED Driver |
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