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The AAT3103 is a constant frequency charge-pump based current-source white LED driver capable of driving one to three LEDs up to 30mA, each. The charge pumps automatically switch between 1x mode and 2x mode to maintain the highest efficiency and optimal LED current accuracy and matching. A low external parts count (one 1μF flying capacitor, two small 1μF cap.
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• Source WLED Driver, up to 3 LEDs at up to 30mA, each Automatic Switching Between 1x and 2x Modes 900KHz Switching Frequency Linear LED Output Current Control ▪ Single-wire, S2Cwire Interface AAT3103-1: 16-step AAT3103-2: 8-step ON/OFF or PWM Interface ▪ AAT3103-4 ±10% LED Output Current Accuracy ±3% LED Output Current Matching Low-current Shutdown Mode Built-in Short Circuit and Thermal Protection Automatic Soft-start 2x2.1mm SC70JW-10 Package
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Applications
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• Cordless Phone Handsets Mobile Phone Handsets MP3 and PMP Players Digital Cameras
Typical Application
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AAT3103 - Skyworks
The AAT3103 is a constant frequency charge-pump based current-source white LED driver capable of driving one to three LE.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | AAT3104 |
Advanced Analogic Technologies |
Low Cost 1x/2x 4 Channel Charge Pump WLED Driver |
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| 2 | AAT3104 |
Skyworks |
Low Cost 1x/2x Four-Channel Charge Pump WLED Driver |
|
| 3 | AAT3105 |
Skyworks |
Low Cost 1x/2x Four-Channel Charge Pump WLED Driver |
|
| 4 | AAT3110 |
Advanced Analogic Technologies |
MicroPower Regulated Charge Pump |
|
| 5 | AAT3110 |
Skyworks Solutions |
MicroPower Regulated Charge Pump |
|
| 6 | AAT3111 |
Advanced Analogic Technologies |
MicroPower Regulated Charge Pump |
|
| 7 | AAT3111 |
Skyworks Solutions |
MicroPower Regulated Charge Pump |
|
| 8 | AAT3112 |
AAT |
High Efficiency Charge Pump |
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| 9 | AAT3112 |
Skyworks |
500mA High Efficiency Charge Pump |
|
| 10 | AAT3113 |
Advanced Analogic Technologies |
High Efficiency 1.5X Fractional Charge Pumps For White LED Applications |
|
| 11 | AAT3113 |
Skyworks Solutions |
High Efficiency 1.5X Fractional Charge Pumps |
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| 12 | AAT3114 |
Skyworks Solutions |
High Efficiency 1.5X Fractional Charge Pumps |
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