On Semiconductor NCL30001 Evaluation Board NCL30001LEDGEVB NCL30001LEDGEVB 数据表
产品代码
NCL30001LEDGEVB
4/1/2010
- 2 -
www.onsemi.com
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Xfmr
NCS1002
8
7
6
5
4
3
2
1
1uF
0.1
0.1
100V
0.1
100V
0.1
0.10
2W
2W
68K
6.2K
82K
3.9K
2.7K
2.7K
MMSD4148
MMSD4148
43K
2.2K
U2
C24
Vcc = 14V
Is
Gnd
Z4
Is
Vs
1
2
MMSZ5245B
MMSZ5245B
Vref
10nF
internal
to U3
2.5V
43K
feedback
optocoupler
8
11
R24
C19
C20
C21
C22
C23
100, 1/2W
1nF
D8
MURH860CTG
1000uF, 63V x 3
5.1K
10K
10K
10K
LED Anode
LED Cathode
PWM In
1 kHz
1 kHz
MMBTA06LT1G
1nF
Z5
0.1uF
100
10
50V/1.0A LED Driver CVCC Secondary Sensing with
PWM Dimming Input & Option Card (Rev 3A)
Vcc
NTD12N10T4G
PWM Output
Switch
Current Sense
Sample & Hold
U3A
U3B
D11
D12
Q6
Q4
Q5
C27
To Primary
Ground Plane
Ground Plane
2.2nF
C25
C26
C30
C31
C32
C33
R26
R27
R28
R29
R30
R31
R32
R33
R34
R35
R36
R37
R38
R39
R40
R41
2N7002KT1G
1
2
3
5
6
Dimming
Control
Options
Card
10
10
R42
R43
1 kHz PWM
Out
Vcc In
Analog
Dim out
Dim out
Vref In
Common
Q7
MJD243G
4.7K, 0.5W
P1
J2
Gnd
J3
Jumper if DIM
Card not used
C34
0.1
R44
C35
0.1
R32 output current setting:
43K for 1.5 A out
68K for 1.0 A out
43K for 1.5 A out
68K for 1.0 A out