Description
Features
- Ultra low dropout regulated current sinks
- 3-Channels: KTD2026
- 4-Channels: KTD2027
- 40mV typical at 10mA per channel
- Programmable LED setting using I2C control
- Individual channel control
- On/Off Interval Time Control
- Dimming Up/Down Time
- Current Level Setting
- RGB or RGBW LED Color Control
- 192 current levels: 24mA max, 0.125mA step
- ±5% current matching for max current
- Low supply current of 200µA typ.
- No noise, non-pulsating LED current
- Fast, smooth start-up
- VIN Range: 2.7V to 5.5V
- 0.1µA Shutdown Current
- Pb-free Package: UTDFN-8 1.5×1.5mm
- -40°C to +85°C Temperature Range
Applications
- RGB indicator LEDs
- Flashing LEDs
- Mobile Phones
- Handheld Devices
- Digital Cameras
Key Electrical Specifications
| Vin(Min) | Vin(Max) | Number of LEDs/Channel | LED Channels | Brightness Control | Max. Current per Channel | Accuracy | Dropout | Package |
| 2.7V | 5.5V | 1 | 3 | I2C | 24mA | ±5% | 40mV | UTDFN-8 1.5×1.5mm |
Typical Application Diagram
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