EL7585AILZ(2005) Просмотр технического описания (PDF) - Intersil

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Компоненты Описание

производитель

EL7585AILZ
(Rev.:2005)

TFT-LCD Power Supply

Intersil 

EL7585A

Typical Performance Curves (Continued)

AVDD

VLOGIC

VOFF

VON

CDLY=220nF

TIME (10ms/DIV)

FIGURE 15. START-UP SEQUENCE

VIN=5V

VOUT=13V

IOUT=30mA

TIME (400ns/DIV)

FIGURE 16. LX WAVEFORM - DISCONTINUOUS MODE

VIN=5V

VOUT=13V

IOUT=200mA

TIME (400ns/DIV)

FIGURE 17. LX WAVEFORM - CONTINUOUS MODE

JEDEC JESD51-3 AND SEMI G42-88

(SINGLE LAYER) TEST BOARD

0.8

714mW

0.7

0.6 667mW

0.5

QFN24

θJA=140°C/W

0.4

QFN16

θJA=150°C/W

0.3

0.2

0.1

0

0

25

50

75 85 100 125 150

AMBIENT TEMPERATURE (°C)

FIGURE 18. PACKAGE POWER DISSIPATION vs AMBIENT

TEMPERATURE

JEDEC JESD51-7 HIGH EFFECTIVE THERMAL

CONDUCTIVITY TEST BOARD - QFN EXPOSED

DIEPAD SOLDERED TO PCB PER JESD51-5

3

2.703W

2.5

2.500W

2

QFN24

θJA=37°C/W

1.5

QFN16

θJA=40°C/W

1

0.5

0

0

25

50

75 85 100 125 150

AMBIENT TEMPERATURE (°C)

FIGURE 19. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE

7

FN7523.2

September 21, 2005

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