1. General descrtption Scope:
This LDA02-57V220C sepic LED driver for 23” of LCD backlight system.
2. Applications
23” LED Backlight LCD panels For LG LM215WF4-TLA1 LM215WF4-TLA3
3. Absolute maximum rating
l Input supply voltage .: 11.0~13V
l Input current . : 1.65A(MAX)
l Input power : 18.17W
l Output current : 130mA X 2CH
l Output power : 15.99W
l Brightness adjusted voltage : 0V(MAX)~5.0V(MIN)
l Input signal voltage :0V/OFF 5.0V/ON (ON/OFF/control)
l Ambient operating temperature :0℃~40℃
l Storage temperature :-20℃~80℃
l Operating & storage humidify: 10%~85%
l Over voltage protect(OVP)
l High efficency (TYP:88%
4.Electrical Requirements
4.1Input Characteristics
This section defines the electrical requirements for the LED driver
PARAMETER
|
SYMBOL
|
MIN
|
TYP
|
MAX
|
UNIT
|
REMARK
|
Input voltage
|
VIN
|
11.0
|
12.0
|
13.0
|
V
|
|
Input current
|
Iin
|
-
|
1.18
|
1.65
|
A
|
Vadj=0V RL= LM215WF4 Panel
|
Input power
|
Pin
|
-
|
14.25
|
18.17
|
W
|
Vadj=0V RL= LM215WF4 Panel
|
Input voltage
|
Von/off
|
-
|
0
|
1.0
|
V
|
Off State
|
2.5
|
5.0
|
5.5
|
On State
|
Bright adjust
|
Vadj
|
5
|
-
|
0
|
V
|
0V MAX
|
Efficiency
|
η
|
-
|
88
|
-
|
%
|
Vadj=0V RL= LM215WF4 Panel
|
4.2 Output Characteristics:
4.2.1 DC output CN2:
PARAMETER
|
SYMBOL
|
MIN
|
TYP
|
MAX
|
UNIT
|
REMARK
|
Output current
|
IRLED
|
-
|
110
|
130
|
mA
|
Vadj=0V RL= LM215WF4 Panel
|
0
|
-
|
30
|
Vadj=5V RL= LM215WF4 Panel
|
Output voltage
|
VLB
|
-
|
57.0
|
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61.5
|
V
|
Vadj=0V RL= LM215WF4 Panel
|
Output power
|
PO
|
-
|
12.54
|
15.99
|
W
|
Vadj=0V RL= LM215WF4 Panel
|
Over voltage
|
OVP
|
68
|
69
|
70
|
V
|
LATCH
|
5.0 Connector:
5.1 DC input connector
5.1.1Connector type (CN1): S6BPHA (6P 2.0mm)
Pin number
|
Output Name
|
1,2
|
Input voltage
|
3
|
On/off
|
4
|
Vadj
|
5,6
|
GND
|
5.2 Output connector
5.2.1、Connector type(CN2): FN100-Z04B-C20 (4P 1.0mm)
Pin number
|
Output Name
|
1
|
NC
|
2
|
IRLED(Current Out)
|
3
|
IRLED(Current Out)
|
4
|
VLED(Voltage in)
|
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