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The AAT3113 and AAT3114 are low noise, constant frequency charge pump DC/DC converters that use fractional (1.5X) conversion to increase efficiency in white LED applications. The devices can be used to produce current levels up to 20mA for each output from a 2.7V to 5.5V input. A low external parts count (two 1μF flying capacitors and two small bypass capaci.
• AAT3113: Four Outputs
• AAT3114: Six Outputs
• 20mA Full-Scale Current
• Simple Serial Control (S2Cwire) Interface
▪ 32-Position Logarithmic Scale with Digital Control
• Low Noise Constant Frequency Operation
• 33% Less Input Current Than Doubler Charge Pump
• High Accuracy Brightness Matching
• Small Application Circuit
• Regulated Output Current
• Automatic Soft Start
• VIN Range: 2.7V to 5.5V
• No Inductors
• 600kHz Switching Frequency
• IQ <1μA in Shutdown
• Temperature Range: -40°C to 85°C
• 12-Pin TSOPJW Package (AAT3113)
• 16-Pin QFN Package (AAT3114)
Applications
• Programmable Curre.
AAT3114 - AAT
The AAT3113 and AAT3114/14A are low noise, constant frequency charge pump DC/DC converters that use fractional (1.5X) co.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | AAT3110 |
Advanced Analogic Technologies |
MicroPower Regulated Charge Pump |
|
| 2 | AAT3110 |
Skyworks Solutions |
MicroPower Regulated Charge Pump |
|
| 3 | AAT3111 |
Advanced Analogic Technologies |
MicroPower Regulated Charge Pump |
|
| 4 | AAT3111 |
Skyworks Solutions |
MicroPower Regulated Charge Pump |
|
| 5 | AAT3112 |
AAT |
High Efficiency Charge Pump |
|
| 6 | AAT3112 |
Skyworks |
500mA High Efficiency Charge Pump |
|
| 7 | AAT3113 |
Advanced Analogic Technologies |
High Efficiency 1.5X Fractional Charge Pumps For White LED Applications |
|
| 8 | AAT3113 |
Skyworks Solutions |
High Efficiency 1.5X Fractional Charge Pumps |
|
| 9 | AAT3114A |
AAT |
High Efficiency 1.5X Fractional Charge Pumps |
|
| 10 | AAT3119 |
AAT |
High Efficiency 2X Charge Pump |
|
| 11 | AAT3119 |
Skyworks |
High Efficiency 2X Charge Pump |
|
| 12 | AAT3103 |
Advanced Analog Technology |
3-Channel Charge-Pump LED Driver |
|