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PDF ICL8201 Data sheet ( Hoja de datos )
| Número de pieza | ICL8201 | |
| Descripción | AC/DC Buck Controller | |
| Fabricantes | Infineon | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ICL8201 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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ICL8201
AC/DC Buck Controller with PFC for LED
Lamps
Data Sheet
Revision V2.0 2015-05-25
Power Management & Multimarket
1 page  
ICL8201
AC/DC Buck Controller with PFC for LED Lamps
Table of Contents
Revision History ....................................................................................................................................................4
Table of Contents ..................................................................................................................................................5
1 Block Diagram ...................................................................................................................................8
2 IC and Application Feature Overview..............................................................................................9
2.1 Application Feature SET .....................................................................................................................9
2.2 IC Feature SET ...................................................................................................................................9
2.3 Regulation Feature SET......................................................................................................................9
2.4 Protection Feature SET.....................................................................................................................10
3 Pin Configuration and Functionality .............................................................................................12
3.1 Pin Configuration with PG-SOT23-6-1 ..............................................................................................12
3.2 Package ............................................................................................................................................12
3.3 Pin Description ..................................................................................................................................12
4
4.1
4.2
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
4.2.8
4.2.9
4.2.10
4.3
4.3.1
4.3.1.1
4.3.1.2
4.3.1.3
4.3.1.4
4.3.1.5
4.3.2
4.3.2.1
4.3.2.2
4.3.2.3
4.3.3
4.3.4
4.3.4.1
4.3.4.2
Functional Description ...................................................................................................................14
Typical Application Circuit .................................................................................................................14
Internal Functional Description..........................................................................................................15
VCC Pre-Charging and Typical VCC voltage profile During Start-up .............................................15
Soft Start ......................................................................................................................................16
Normal Regulation Operation ......................................................................................................17
Zero Current Detection ................................................................................................................17
Peak Detection.............................................................................................................................19
Voltage to Current Converter .......................................................................................................20
ON time generation ......................................................................................................................20
How to calculate output average current .....................................................................................21
Leading Edge Blanking ................................................................................................................21
Driver Stage .................................................................................................................................21
System Functional description ..........................................................................................................22
Start-Up behaviour .......................................................................................................................22
Start-Up: Into Normal Operation .............................................................................................22
Start-Up: Soft-Start Phase ......................................................................................................23
Start-Up: Short Output ............................................................................................................24
Start-Up: Floating Load Protection .........................................................................................25
Start-Up and Run Mode: Short Winding Protection ................................................................26
Run Mode behaviour....................................................................................................................27
Typical Curves during RUN Mode ..........................................................................................27
Run Mode: Short Output .........................................................................................................28
Run Mode: Floating Load Protection ......................................................................................29
Intelligent Over-Temperature Protection (iOTP) ..........................................................................30
IC Working and Typical BUCK Curves ........................................................................................31
Critical Conduction operation with Constant TON Time and variable Frequency ....................31
Typical Curves of a BUCK Converter .....................................................................................32
5 Absolute Maximum Ratings and thermal Characteristics ..........................................................33
5.1 Absolute Maximum Ratings ..............................................................................................................33
5.2 Thermal Characteristics ....................................................................................................................34
6 Electrical Characteristics ...............................................................................................................35
Data Sheet
5 Revision V2.0, 2015-05-25
5 Page 
ICL8201
AC/DC Buck Controller with PFC for LED Lamps
IC and Application Feature Overview
iOTP
Intelligent Over
Temperature Protection
VCC Under Voltage
(UVLO)
Dimmer Input
Acceptable
TJ > 150°C ± 10°C
IOUT from 100% to 50%
VCC < 6.0V
UVLO
iATHD Feature
On Time Reduction
Soft Start digital 24 ms
VCSth = 0.1V till 3 ms
VCSth = 0.2V till 6 ms
VCSth = 0.3V till 9 ms
VCSth = 0.4V till 24 ms
Start UP / RUN Mode
Start UP / RUN Mode
Start UP / RUN Mode
RUN Mode
Disabled during OTP
Start UP
De-rating
within 7
digital Steps
Auto Restart
Auto Restart
N.A.
Limiting
Data Sheet
11 Revision V2.0, 2015-05-25
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ICL8201.PDF ] | |
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