English
Language : 

ICE2QR0665G_14 Datasheet, PDF (5/27 Pages) Infineon Technologies AG – Off-Line SMPS Quasi-Resonant PWM Controller with integrated 650V CoolMOS? and startup cell in DSO-16/12
CoolSET™Q1
ICE2QR0665G
Table of Contents
Revision History ...................................................................................................................................................4
Table of Contents .................................................................................................................................................5
1
Pin Configuration and Functionality ..............................................................................................7
1.1
Pin Configuration with PG-DSO-16/12...............................................................................................7
1.2
Pin Functionality.................................................................................................................................7
2
Representative Block Diagram .......................................................................................................8
3
3.1
3.2
3.3
3.3.1
3.3.1.1
3.3.1.2
3.3.2
3.3.2.1
3.3.3
3.4
3.4.1
3.5
3.5.1
3.5.2
3.5.3
3.6
Functional Description ....................................................................................................................9
VCC Pre-Charging and Typical VCC Voltage During Start-up...........................................................9
Soft-start ............................................................................................................................................9
Normal Operation.............................................................................................................................10
Digital Frequency Reduction.......................................................................................................10
Up/down counter....................................................................................................................10
Zero crossing (ZC counter) ....................................................................................................11
Ringing suppression time............................................................................................................12
Switch on determination ........................................................................................................12
Switch Off Determination ............................................................................................................12
Current Limitation.............................................................................................................................12
Foldback Point Correction...........................................................................................................13
Active Burst Mode Operation ...........................................................................................................14
Entering Active Burst Mode Operation........................................................................................14
During Active Burst Mode Operation ..........................................................................................14
Leaving Active Burst Mode Operation ........................................................................................14
Protection Functions ........................................................................................................................15
4
4.1
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
4.3.9
4.3.10
Electrical Characteristics ..............................................................................................................17
Absolute Maximum Ratings .............................................................................................................17
Operating Range..............................................................................................................................17
Characteristics .................................................................................................................................18
Supply Section ............................................................................................................................18
Internal Voltage Reference .........................................................................................................18
PWM Section ..............................................................................................................................19
Current Sense.............................................................................................................................19
Soft Start.....................................................................................................................................19
Foldback Point Correction...........................................................................................................19
Digital Zero Crossing ..................................................................................................................20
Active Burst Mode.......................................................................................................................20
Protection....................................................................................................................................21
CoolMOSTM Section ....................................................................................................................21
6
Input power curve ..........................................................................................................................24
8
Marking ...........................................................................................................................................26
Data Sheet
5
V2.1, 2014-04-01