Sharp LC-40LX630E User Manual

87
LC-32LE63x
LC-40LE63x
LC-46LE63x
8.12 Diagram DVBS supply B08A, TPS54283PWP (IC 7T03)
Figure 8-12 Internal block diagram and pin configuration
18770_305_100217.eps
100217
Block diagram
7FB1
+
Soft Start
1
C
COMP
+
SQ
QR
R
+
Current
Comparator
BP
f(I
DRAIN1
)+DC(ofst)
2
1
3
Anti-Cross
Conduction
1.2 MHz
Oscilator
Divide
by 2/4
Ramp
Gen 1
Ramp
Gen 2
CLK1
CLK2
BP
CLK1
Weak
Pull-Down
MOSFET
5EN1
6EN2
6A6A
VDD2
Internal
Control
10SEQ
150 k
150 k
Output
Undervoltage
Detect
BP
FB1
FB2
CLK1
4GND
8FB2
+
Soft Start
2
C
COMP
+
SQ
QR
R
+
Current
Comparator
BP
13
14
12
Anti-Cross
Conduction
BP
CLK2
Weak
Pull-Down
MOSFET
11BP
9ILIM2
150 k
150 k
BP
CLK2
4GND
Level
Select
5.25-V
Regulator
References
BOOT1
PVDD1
SW1
BOOT2
PVDD2
SW2
f(I
DRAIN2
)+DC(ofst)
0.8 V
REF
I
MAX2
(Set to one of two limits)
f(I
DRAIN1
)
f(I
MAX1
)
Overcurrent Comp
f(I
SLOPE1
)
Level
Shift
Level
Shift
f(I
DRAIN2
)
f(I
MAX2
)
f(I
SLOPE2
)
FET
Switch
TSD
PVDD2
f(I
SLOPE1
)
f(I
SLOPE2
)
SD1
SD2
UVLO
0.8 V
REF
SD2
0.8 V
REF
SD1
UDG-07007
Overcurrent Comp
R
COMP
R
COMP
IC Data Sheets (continued)

Sharp LC-40LX630E Specifications

General

Response time	6 ms
Display diagonal	40 \
Display brightness	450 cd/m²
Native aspect ratio	16:9
Native refresh rate	100 Hz
LED backlighting type	Edge-LED
Supported video modes	1080p
Display diagonal (metric)	102 cm
Viewing angle, horizontal	176 °
Supported graphics resolutions	1920 x 1080 (HD 1080)
3D	No
Annual energy consumption	70 kWh
Tuner type	Analog & digital
Analog signal format system	NTSC, PAL, SECAM
Digital signal format system	DVB-C, DVB-T
RMS rated power	10 W
Number of speakers	2
HDMI version	1.4
HDMI ports quantity	3
DVI-D ports quantity	0
USB 2.0 ports quantity	1
Video formats supported	H.264, MPEG4
Panel mounting interface	400 x 400 mm
Power consumption (standby)	0.15 W
Power consumption (typical)	48 W

Weight and Dimensions

Depth (with stand)	242 mm
Height (with stand)	630 mm
Weight (with stand)	14700 g
Depth (without stand)	40 mm
Width (without stand)	947 mm
Height (without stand)	560 mm