EL7585 INTERSIL [Intersil Corporation], EL7585 Datasheet - Page 7

• Manufacturer Part Number: EL7585
• Description: TFT-LCD Power Supply
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Performance Curves
V
BOOST-DELAY
FIGURE 17. LX WAVEFORM - CONTINUOUS MODE
V
LOGIC
V
V
OFF
ON
V
V
I
OUT
IN
OUT
FIGURE 15. START-UP SEQUENCE
=5V
=200mA
=13V
TIME (400ns/DIV)
TIME (10ms/DIV)
FIGURE 19. PACKAGE POWER DISSIPATION vs AMBIENT TEMPERATURE
7
C
DLY
(Continued)
=220nF
2.5
1.5
0.5
3
2
1
0
0
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD - QFN EXPOSED
DIEPAD SOLDERED TO PCB PER JESD51-5
2.703W
2.500W
θ
25
JA
AMBIENT TEMPERATURE (°C)
QFN16
=40°C/W
EL7585
50
θ
JA
QFN24
75
=37°C/W
85
FIGURE 18. PACKAGE POWER DISSIPATION vs AMBIENT
100
FIGURE 16. LX WAVEFORM - DISCONTINUOUS MODE
125
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
V
V
I
0
OUT
IN
OUT
0
JEDEC JESD51-3 AND SEMI G42-88
(SINGLE LAYER) TEST BOARD
TEMPERATURE
714mW
667mW
=5V
=30mA
=13V
150
θ
JA
25
AMBIENT TEMPERATURE (°C)
QFN16
=150°C/W
TIME (400ns/DIV)
50
θ
JA
QFN24
75
=140°C/W
85
100
125
150
July 1, 2005
FN7345.1