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ICE3AR2280CJZ Datasheet(PDF) 4 Page - Infineon Technologies AG

Part # ICE3AR2280CJZ
Description  Off-Line SMPS Current Mode Controller with integrated 800V CoolMOS짰 and Startup cell (brownout & CCM) in DIP-7
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

ICE3AR2280CJZ Datasheet(HTML) 4 Page - Infineon Technologies AG

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CoolSET®-F3R80
ICE3AR2280CJZ
Table of Contents
Page
Version 2.0
4
11 Jan 2012
1
Pin Configuration and Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.1
Pin Configuration with PG-DIP-7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2
Pin Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2
Representative Blockdiagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.2
Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.3
Improved Current Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.3.1
PWM-OP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.3.2
PWM-Comparator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.3.3
Slope Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.4
Startup Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.5
PWM Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.5.1
Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.5.2
PWM-Latch FF1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.5.3
Gate Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.6
Current Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.6.1
Leading Edge Blanking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.6.2
Combined OPP curve considering Propagation Delay and Slope Compen-
sation 14
3.7
Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.7.1
Active Burst Mode (patented) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.7.1.1
Selectable burst entry level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.7.1.2
Entering Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.7.1.3
Working in Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.7.1.4
Leaving Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.7.2
Protection Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
3.7.2.1
Vcc OVP, OTP, external protection enable and Vcc under voltage . . .18
3.7.2.2
Over load, open loop protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
3.7.3
Brownout Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
3.7.4
Fast AC reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
4.1
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
4.2
Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
4.3
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
4.3.1
Supply Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
4.3.2
Internal Voltage Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.3.3
PWM Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.3.4
Soft Start time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
4.3.5
Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
4.3.6
Current Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25


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