l6611 STMicroelectronics, l6611 Datasheet - Page 15

• Manufacturer Part Number: l6611
• Description: Digitally Programmable Secondary Housekeeping Controller
• Manufacturer: STMicroelectronics

1 On board digital trimming and mode selection..................................................................................Page 16
2 Error amplifiers and reference voltages ..................................................................................................... 18
3 Normal operation timing diagram ............................................................................................................... 20
4 Undervoltage, overvoltage and relevant timings ........................................................................................ 21
5 AC sense (mains undervoltage warning) ................................................................................................... 22
6 Application example ................................................................................................................................... 23
7 Application ideas ........................................................................................................................................ 25
Main section: error amplifier A and Soft -Start
E/A and reference voltage
3.3V section: error amplifier B
Auxiliary section: error amplifier C
APPLICATION INFORMATION INDEX
L6611
15/28