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AS3644 |
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| Part Number | AS3644 |
| Manufacturer | austriamicrosystems |
| Description | The AS3644 is an inductive high efficient DCDC step up converter driving a current source. The DCDC step up converter operates at a fixed frequency of 4MHz and includes soft startup to allow easy inte... |
| Features |
Total flash driver solution only 11mm2 High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils LED currents 260mA to 320mA flash current (20mA steps) 51.6mA or 72.3mA Assist light (=torch) current Flash LED(s) cathode connected to ground: Improved thermal performance (ground = heat sink) Simplified PCB layout Adjustable Flash Timer 30ms to 480ms in 30ms steps Flash, Torch, Assist and Indicator Mode Protection functions: Automatic Flash timer to protect the LED Overvoltage and undervoltage Protection Overtemperature Protection LED short circuit... |
| Document |
 AS3644 Data Sheet
PDF 1.45MB |
Similar Datasheet
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|---|---|---|---|---|
| 1 | AS3642 |
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Ultra Small 500mA Inductive White LED Flash Driver |
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| 2 | AS3643 |
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1300mA High Current LED Flash Driver |
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| 3 | AS3647 |
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1600mA High Current LED Flash Driver |
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| 4 | AS3647B |
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| 5 | AS3648 |
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| 6 | AS3649 |
ams |
2500mA High Current LED Flash Driver |
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Desde 2024. D4U Semiconductor.
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