Power Supply Specs - LG 47LB1DA 1080p LCD Training Manual

CIRCUIT DESCRIPTIONS

POWER SUPPLY SPECS

Output Voltage
Voltage Range
[V]
Current Range [A]
Output Voltage
Ripple Voltage Range [mVp-p]
Output Voltage
Load Max [A]
Static Regulation
Voltage Spec [V]
Load Variable[A]
Cross
Regulation
Voltage Spec [V]
No Load [A]
Voltage Spec [V]
Output Voltage
Load [A]
Wattage [W]
Output Voltage
NO
1 STB5Vo
2 6Vo
3 12Vo
4 19Vo
5 24Vo
6 3.4Vo
Directview LCD Training
Max Output
STB 5Vo
4.95
~ 5.45
2
Max Ripple
STB 5Vo
200mV
Output Regulation
STB 5Vo
2
4.95 ~ 5.45
0.8
4.95 ~ 5.45
0.08
4.95 ~ 5.45
Deep Sleep Mode
STB 5Vo
0.08
SMPS Protect modes
Over Current Protection
*1)
Name
Range[A]
Min. 3A
Min. 6A
Min. 4A
Min. 5.5A
Min. 14A
Min. 6A
3.4V 6Vo 12Vo
3.2 5.7 11.4
~ 3.6 ~ 6.3 ~ 12.6
5 5 3
STB 3.4Vo 6Vo 12Vo
150mV 200mV 360mV
3.4Vo 6Vo 12Vo
5 5 3
3.2 ~ 3.6 5.7 ~ 6.3 11 ~ 13
4 3.5 2.5
3.2 ~3.6 5.7 ~6.3 11.4 ~ 12.6
On / Off
3.2 ~3.6/OFF
3.3Vo 12Vo 19Vo
Less than 1W [at 230Vac/50Hz]
Over Voltage Protection
Protection Range[V] Protection
Shutdown
8 Shutdown
Shutdown
Shutdown 14 Shutdown
Shutdown 22 Shutdown
Shutdown 26 Shutdown
Shutdown 4.5 Shutdown
14
19Vo 24Vo
17 22.8
~ 20 ~ 25.2
4.4 12
19Vo 24Vo
540mV 720mV
19Vo 24Vo
3 10.5
16 ~ 20 22.8 ~ 25.2
1 ~ 2.5 10.5
16 ~ 20 22.8 ~ 25.2
Off
Off
24Vo 5Vo
0
Short circuit Protection
No Hardware
Failure
Circuit Descriptions