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The LM36273 is an integrated three-channel WLED driver and LCD bias supply. The ultra-compact size, high efficiency, high level of integration, and programmability allow the LM36273 to address a variety of applications without the need for hardware changes while minimizing the overall solution area. The backlight boost provides the power to bias three parall.
•1 Drives up to Three Parallel White LED Strings (29-V Maximum VOUT)
• 11-Bit Exponential and Linear Dimming Control
• PWM and I2C Brightness Control
• Backlight Operation With 4.7-µH to 15-µH Inductor
• Backlight and LCD Bias Efficiency up to 92%
• Programmable LCD Bias Voltages (±4 V to ±6.5 V
With 50-mV resolution) With Up to 80-mA per Output
• 0.2% Matched LED Current From 60 µA to 30 mA
• 1% Accurate LED Current From 60 µA to 30 mA
• 2.7-V to 5-V Input Voltage Range
2 Applications
• LCD Panels With up to 24 LEDs
• Smart Phones
• Tablets and Gaming Tablets
• Home Automation Panels
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| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | LM36272 |
Texas Instruments |
Two-Channel LCD Backlight Driver |
|
| 2 | LM36274 |
Texas Instruments |
Four-Channel LCD Backlight Driver |
|
| 3 | LM3620 |
National Semiconductor |
Lithium-Ion Battery Charger Controller |
|
| 4 | LM3621 |
National Semiconductor |
Single Cell Lithium-Ion Battery Charger Controller |
|
| 5 | LM3622 |
National Semiconductor |
Lithium-Ion Battery Charger Controller |
|
| 6 | LM3622 |
Texas Instruments |
Lithium-Ion Battery Charger Controller |
|
| 7 | LM3623-11 |
Ledtech |
THREE DIGIT DISPLAY |
|
| 8 | LM3625 |
National Semiconductor |
dual high speed MOS sense amp |
|
| 9 | LM360 |
National Semiconductor |
High Speed Differential Comparator |
|
| 10 | LM360 |
Texas Instruments |
High Speed Differential Comparator |
|
| 11 | LM360M |
Texas Instruments |
High Speed Differential Comparator |
|
| 12 | LM361 |
National Semiconductor |
High Speed Differential Comparators |
|