Features
◆Built-in high-voltage startup power supply
◆±4% LED output current accuracy
◆Output current externally adjustable: 5mA~60mA
◆Internally integrated 450V power tube
◆No transformer required
◆Over-temperature regulation function
◆Simple peripheral circuits, few components
◆Chip can be directly soldered on aluminum substrate
◆No EMI problem in system application

Application range
◆LED ceiling lamp
◆LED bulb
◆T5/T8 series LED fluorescent tube
◆Other LED lighting
CL1570 adopts TO-252-2L, ESOP8 and
SOT-89-3L package