
THERMAL
THERMAL
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FIRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFACTURES SPECIFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
WLED_ADIM
L603
BLM18PG121SN1D
R625
100
1%
OPT
R636
51K
R600
100
OPT
C639
10uF
10V
R649
100
1%
C619
4.7uF
25V
OPT
C627
0.1uF
50V
5V_ST_ON
C618
10uF
10V
OPT
R660
0
OPT
IC601
MP3378E mask revison
3
ISET
2
OSC
4
ADIM
1
GND1
6
LED3
5
LED4
7
LED2
8
LED1
9
OVP
10
NC_1
11
NC_2
12
FB
13
EN2
14
VCC2
15
VIN2
16
SW
17
GND2_1
18
GND2_2
19
AGND
20
BST
21
SYNC
22
ISENSE
23
GATE
24
VIN1
25
VCC1
26
COMP
27
EN1
28
PWM
29
[EP]GND
R643
1K
+19V
C617
0.1uF
16V
OPT
C609
0.1uF
16V
OPT
R639
0
C620
10uF
10V
OPT
+19V
C612
4.7uF
25V
OPT
C614
27uF
80V
105C
HDR400
P602
12507WR-06L
1
2
3
4
5
6
7
R618
100K
OPT
C615
33uF
100V
-55TO+105C
OPT
R630
100K
R612
270
1%
OPT
JP610
R646
18K
1%
R624
200
1%
OPT
R647
5.6K
1%
R605
15K
OPT
R663
5.1
OPT
+19V
R620
1K
OPT
R662
5.1
OPT
JP604
C650
0.047uF
50V
OPT
L602
33uH
OPT
JP600
C610
1uF
50V
OPT
L600
BLM18PG121SN1D
OPT
C651
0.047uF
50V
OPT
JP602
C603
0.1uF
50V
OPT
JP605
JP607
R626
0.1
1W
1%
OPT
P600
12507WR-06L
OPT
1
2
3
4
5
6
7
JP611
+19V
JP609
C616
4.7uF
25V
OPT
C600
1uF
16V
OPT
R659
OPT
0
C649
0.047uF
50V
+19V
R615
100K
OPT
R617
10K
OPT
R614
100K
OPT
R661
0
OPT
C602
0.1uF
16V
OPT
C647
0.047uF
50V
WLED_ADIM
C643
0.047uF
50V
OPT
R608
220K 1%
OPT
C645
0.047uF
50V
OPT
R642
100K
+19V
+19V
ZD600
5.6V
OPT
R609
5.6K
1%
OPT
R652
100K
Q600
AOD2922
OPT
G
D
S
R635
5.6K
1%
C606
0.1uF
50V
OPT
C642
4.7uF
25V
OPT
WLED_ENABLE
C644
4.7uF
25V
OPT
C611
1uF
50V
OPT
C604
4700pF
50V
OPT
R603
9.1K
1/8W
1%
OPT
C601
1000pF
50V
OPT
R629
9.1K
1%
R604
100K
OPT
R622
75K
1%
OPT
R623
11K
1%
OPT
R657
2.7K
1%
OPT
R607
200
1%
OPT
R631
20K
C641
33uF
100V
-55TO+105C
BOE_LGD_COMMON
C640
33uF
100V
-55TO+105C
BOE_LGD_COMMON
C608
0.47uF
50V
OPT
R656
5.1
OPT
R637
100
R621
0
OPT
R654
5.1
OPT
R627
100
R655
5.1
OPT
C637
1uF
50V
C633
4.7uF
25V
R650
0.1
1W
1%
R653
5.1
OPT
+5V_STANDBY
C605
1uF
25V
OPT
WLED_ENABLE
R634
220K
1%
R632
0
WLED_PDIM
C624
0.1uF
50V
R645
0
OPT
D600
100V
BR210
OPT
C631
4.7uF
25V
IC600
MP3378E mask revison
OPT
3
ISET
2
OSC
4
ADIM
1
GND1
6
LED3
5
LED4
7
LED2
8
LED1
9
OVP
10
NC_1
11
NC_2
12
FB
13
EN2
14
VCC2
15
VIN2
16
SW
17
GND2_1
18
GND2_2
19
AGND
20
BST
21
SYNC
22
ISENSE
23
GATE
24
VIN1
25
VCC1
26
COMP
27
EN1
28
PWM
29
[EP]GND
C621
1uF
16V
OPT
C622
1000pF
50V
D601
100V
BR210
C626
1uF
25V
L605
33uH
R640
33
Q601
AOD2922
G
D
S
+19V
C634
0.1uF
16V
R602
0
OPT
C635
10uF
10V
C628
4.7uF
25V
C607
4.7uF
25V
OPT
R638
270
1%
R619
1K
OPT
C636
4.7uF
25V
C630
0.1uF
16V
+19V
C623
0.1uF
16V
R611
100
OPT
WLED_PDIM
C629
0.47uF
50V
R616
33
OPT
C625
4700pF
50V
R601
510K
1/8W
1%
OPT
R628
510K
1/8W
1%
R606
0
OPT
R610
51K
OPT
R658
0
OPT
R651
100K
+19V
R641
10K
+3.3V_NORMAL
R613
0
OPT
C638
1uF
50V
R644
1K
D602
100V
SK510B_TSC
OPT
R633
200
1%
R668
0
R669
0
R666
0
R667
0
C653
0.047uF
50V
C652
0.047uF
50V
JP612
JP613
R664
5.1
OPT
5.1
OPT
R665
ZD601
5V
D603
100V
SK510B_TSC
OPT
L606
BLM18PG121SN1D
OPT
R670
0
OPT
R671
0
OPT
R673
200
1%
OPT
R672
100
1%
R648
100
1%
OPT
C654
10uF
35V
OPT
C655
10uF
35V
OPT
C656
10uF
35V
OPT
C658
10uF
35V
OPT
C613
1uF
50V
OPT
C632
1uF
50V
L601
10uH
OPT
L604
10uH
R674
100
OPT
WLED_PDIM
C659
22uF
63V
105C
LGD_UK850
C660
22uF
63V
105C
OPT
C661
22uF
63V
105C
OPT
C662
22uF
63V
105C
OPT
R675
0
HDR400
R676
0
HDR400
R677
0
OPT
R678
0
OPT
10
LED DRIVER
6
LED Driver
Switching Frequency set : 306KHZ
Min 0.4V / Max 1.5V
Internal RC Filter [ under 20kHz ]
High : 1.5V
LED Current:170mA
977.85/5.8K=168.5mA
OVP Setting : 70.16V
Setting: 5.17V(=0.8(1+75K/13.7K)
Min 0.4V / Max 1.5V
OVP Setting
68.45(min)/70.16(typ)/71.87(max)
OK : 60.1*110%=66.11<68.45
Internal RC Filter [ under 20kHz ]
High : 1.5V
Switching Frequency set : 306KHZ
Setting: 3.37V(=0.8(1+18K/5.6K)
27UK850_670
2018.05.30
OPT
LED Current:170mA
977.85/5.8K=168.5mA
27"
Содержание 27BK67U
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