AN34044AA 查看數據表（PDF） - Panasonic Corporation

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AN34044AA

AN34044AA SSOP32 / DTV System Power Supply

Panasonic Corporation 

Offering Panasonic’s latest di

Our company as a semiconductor manufacturer with a wide range of industry-

customers during development of television-related products.

We will continue to provide ever-higher levels of technological innovation to

products and solutions with the aim of contributing to the creation of new

Contents

1 Application Block Diagram..................................................................................................................................................2

2 Recommended Product List ...............................................................................................................................................3

3 Details of Units Comprising TV Systems............................................................................................................................4

1. Digital Video Processing Units .....................................................................................................................................4

1-1 Front-end Demodulator LSIs .................................................................................................................................4

1-2 Digital Back-ends...................................................................................................................................................4

2. TV Tuner Unit: Head Amp IC ........................................................................................................................................5

3. Audio Multiplexer Units: Audio Multiplexer/Demodulator ICs........................................................................................5

4. Power Supply Unit ........................................................................................................................................................6

4-1 Intelligent Power Device (IPD)...............................................................................................................................6

4-2 MOS FET for DC-DC Converters...........................................................................................................................6

4-3 Fast Recovery Diodes (FRD).................................................................................................................................7

4-4 Schottky Barrier Diodes (SBD) ..............................................................................................................................7

4-5 DC-DC Converter IC..............................................................................................................................................8

4-6 DTV System Power Supply ...................................................................................................................................8

5. Luminance Sensor........................................................................................................................................................9

6. Remote Control Receptor: Photo IC.............................................................................................................................9

7. SD Card Interface.......................................................................................................................................................10

7-1 SD-IP ...................................................................................................................................................................10

7-2 SDXC Power Supply............................................................................................................................................10

7-3 Switching Diodes ................................................................................................................................................. 11

7-4 ESD Protective Diode .......................................................................................................................................... 11

7-5 Zener Diodes .......................................................................................................................................................12

7-6 Bipolar Transistors ...............................................................................................................................................12

8. PDP Panel Control Units ............................................................................................................................................13

8-1 IGBT.....................................................................................................................................................................13

8-2 Fast Recovery Diodes (FRD)...............................................................................................................................13

8-3 Luminance Sensor...............................................................................................................................................14

8-4 Power Supply Unit (Intelligent Power Device (IPD))............................................................................................14

8-4 Power Supply Unit (MOS FET)............................................................................................................................15

8-4 Power Supply Unit (Schottky Barrier Diodes (SBD)) ...........................................................................................15

9. LCD Panel Control Units ............................................................................................................................................16

9-1 Source Driver/Gate Driver ...................................................................................................................................16

9-2 Luminance Sensor...............................................................................................................................................16

9-3 Power Supply Unit (MOS FET)............................................................................................................................17

9-3 Power Supply Unit (Schottky Barrier Diodes (SBD)) ...........................................................................................17

10. Backlight Units ............................................................................................................................................................18

10-1 LED driver ICs for LCD TV backlights................................................................................................................18

10-2 Inverter Units (MOS FET) ..................................................................................................................................18

10-3 Inverter Unit (SBD) ............................................................................................................................................19

10-4 LCD Panel Fluorescent Lamp Circuit Boards (MOS FET).................................................................................19

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