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ICE3AS02 데이터시트(PDF) 4 Page - Infineon Technologies AG

부품명 ICE3AS02
상세설명  Off-Line SMPS Current Mode Controller with integrated 500V Startup Cell
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제조업체  INFINEON [Infineon Technologies AG]
홈페이지  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

ICE3AS02 데이터시트(HTML) 4 Page - Infineon Technologies AG

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ICE3AS02 / ICE3AS02G / ICE3BS02 / ICE3BS02G
Table of Contents
Page
Version 1.1
4
21 May 2004
1
Pin Configuration and Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.1
Pin Configuration with PG-DIP-8-6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.2
Pin Configuration with P-DSO-8-8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
1.3
Pin Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2
Representative Blockdiagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
3
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.2
Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3.3
Startup Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3.4
PWM Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.4.1
Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.4.2
PWM-Latch FF1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.4.3
Gate Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.5
Current Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.5.1
Leading Edge Blanking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.5.2
Propagation Delay Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3.6
Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.6.1
Adjustable Blanking Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.6.2
Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.6.2.1
Entering Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.6.2.2
Working in Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.6.2.3
Leaving Active Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.6.3
Protection Mode(Auto Restart Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
4
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.1
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.2
Operating Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.3
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3.1
Supply Section 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3.2
Supply Section 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3.3
Internal Voltage Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.3.4
PWM Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.3.5
Control Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
4.3.6
Current Limiting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4.3.7
Driver Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
5
Typical Performance Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . .21
6
Outline Dimension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22


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유사한 설명 - ICE3AS02

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ICE3A0365 INFINEON-ICE3A0365 Datasheet
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