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The AP3608E is an eight-channel constant current sink with current match used for °C driver. It uses an external resistor to set the current for eight °C strings with an accuracy of ±1.5%. The full scale °C current can be adjusted from 10mA to 100mA for each channel. The °C light can be adjusted by PWM dimming function. The device can keep working when °C opens without damage. It features under voltage lockout protection and over temperature protection. The AP3608E has four interface terminals (FB, SDB, FBX and SDBX pins). The first two terminals allow the device to work with a DC/DC converter to drive °C arrays for good performance. And the other two enable the device to be connected in parallel.
| Dimming | PWM |
|---|---|
| Efficiency (%) | N/A |
| Function | Current Sink |
| MaximumInput Voltage (V) | 5.5 |
| Maximum Output Current per Channel | 100 |
| Maximum Output Voltage (V) | 40 |
| MinimumInput Voltage (V) | 4.2 |
| Number of Regulated Output Channels | 8 |
| OperatingTemperatureRange (°C) | -40 to 85 |
| OVP | No |
| Quiescent Current (µA) | 0.5 |
| Soft Start | No |
| Standby Quiescent Current (µA) | 0.1 |
| SW RDS(ON) | N/A |
| Switching Frequency (MHz) | No |
| Typical Overcurrent Protection Current | N/A |
| VFB | N/A |
A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.
| PCN # | Issue Date | Implementation Date | Subject |
|---|---|---|---|
| PCN-2380 | 2018-11-07 | 2019-05-07 | Device End of Life (EOL) |
