CoolSET™ F3R80

ICE3AR4780VJZ

Data Sheet

5

V2.1, 2013-10-22

Table of Contents

Revision History ..............................................................................................................................................4

Table of Contents ............................................................................................................................................5

Off-

Line SMPS Current Mode Controller with integrated 800V CoolMOS™ and Startup cell (input OVP &

frequency jitter) in DIP-7.................................................................................................................7

1

Pin Configuration and Functionality ...........................................................................................8

1.1

Pin Configuration with PG-DIP-7 ....................................................................................................8

1.2

Pin Functionality.............................................................................................................................8

2

Representative Block Diagram ..................................................................................................10

3

Functional Description...............................................................................................................11

3.1

Introduction ..................................................................................................................................11

3.2

Power Management .....................................................................................................................11

3.3

Improved Current Mode ...............................................................................................................12

3.3.1

PWM-OP.................................................................................................................................14

3.3.2

PWM-Comparator ...................................................................................................................14

3.4

Startup Phase ..............................................................................................................................14

3.5

PWM Section ...............................................................................................................................17

3.5.1

Oscillator.................................................................................................................................17

3.5.2

PWM-Latch FF1......................................................................................................................17

3.5.3

Gate Driver .............................................................................................................................17

3.6

Current Limiting............................................................................................................................18

3.6.1

Leading Edge Blanking ...........................................................................................................19

3.6.2

Propagation Delay Compensation (patented)...........................................................................19

3.7

Control Unit..................................................................................................................................20

3.7.1

Basic and Extendable Blanking Mode......................................................................................20

3.7.2

Active Burst Mode (patented) ..................................................................................................21

3.7.2.1

Selectable burst entry level.................................................................................................22

3.7.2.2

Entering Active Burst Mode ................................................................................................23

3.7.2.3

Working in Active Burst Mode.............................................................................................23

3.7.2.4

Leaving Active Burst Mode .................................................................................................23

3.7.3

Protection Modes ....................................................................................................................24

3.7.3.1

Vcc OVP, OTP and Vcc under voltage................................................................................25

3.7.3.2

Over load, open loop protection..........................................................................................26

3.7.4

Input OVP Mode......................................................................................................................27

3.7.5

Action sequence at BV pin ......................................................................................................28

4

Electrical Characteristics...........................................................................................................30

4.1

Absolute Maximum Ratings..........................................................................................................30

4.2

Operating Range..........................................................................................................................31

4.3

Characteristics .............................................................................................................................31

4.3.1

Supply Section ........................................................................................................................31

4.3.2

Internal Voltage Reference ......................................................................................................32

4.3.3

PWM Section ..........................................................................................................................32

4.3.4

Soft Start time .........................................................................................................................32

4.3.5

Control Unit.............................................................................................................................33

4.3.6

Current Limiting.......................................................................................................................34