Datasheet Details
| Part number | CAT3604 |
|---|---|
| Manufacturer | Catalyst Semiconductor |
| File Size | 641.71 KB |
| Description | 4-Channel Regulated Charge Pump White LED Driver |
| Datasheet |
 CAT3604 Datasheet
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General Description
The CAT3604 is a charge pump operating in either 1x (LDO) mode or 1.5x fractional mode regulating current through each of the 4 LED pins.
Operation at a fixed high frequency of 1MHz typical allows the use of very small value ceramic capacitors.
Key Features
- I I I I I Drives individually up to 4 LEDs Output current up to 30mA per LED Digital control On/Off of each LED Compatible with supply voltage of 3V to 5.5V I I Automatic short circuit detect/disable I High-frequency Operation at 1MHz Low value ceramic capacitors I "604" compatible pinout I Soft start and current limiting I Thin QFN 16-lead package, 4x4mm, 0.8mm max height Power efficiency up to 93% I 2 modes of operation 1x and 1.5x.