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1
2
4
TP2
TEST_PLUG
+12V
04693_p2
04693_p2.sch
+12V
VREF
JP1
TP3
TEST_PLUG
U3
VREF
1
Vdd
2
A0
3
A1
4
Vout
JUMPER2
GND
SDA
SCL
PD
8
7
6
5
TP5
Drive Vo tage
VDRIVE
VDRIVE
LAMP_FDBACK
HEADER 4
C2
0.1 uF
R4
+
100
C3
ACOMP
TP1
AD5321-RM8
TEST_PLUG
R2
R3
N/I
N/I
N/I
C24
N/I
LAMP_FDBACK
R8
C
VREF
RP2A
2
4.7K
U1B
LM358
6
R21
0.2 Ohms, 2W
5
3
RP2B
4.7K
D6
1N4148
TP11
Lamp Current
R10
75, 1/4W
+12V
Q6
NPN
R14
10
A
B
C
C1
5/1/03
6/1/03
9/3/03
11/18/03
CREATED
Changed layout on 1st switvher stage
Changed R15 value
Changed R43 & C15 values
R13
14
249
8
1
R27
R28
40K
+12V
5 1K
3
ACOMP
C14
1
R36
20K
LM358
R35
40K
4
R32
40K
R29
100K
U1A
2
C9
0.1 uF
1 uF
R31
47K
R30
47K
IPRIMARY
R38
4.7K
4
OSC. OUTPUT
1N914
2
3
R11
47K
GROUND
COMP
VC
16
R17
47K
2
5
R15
7
232
6
12
R16
3.9K
9
C11
C12
B
R18
40k
C7
0 01 uF
0 0047 uF 0.1 uF
VCOMP
1N914 D9
7
5
HYSTERIESIS SET RESISTORS FOR PWM ERROR COMPARATOR
LM358
0 01 uF
Error : LOGO BMP file not found
R33
40K
1
DISCHARGE
RT
SHUTDOWN
R40
30K
BLINK MULTIVIBRATOR
CT
INV. INPUT
U4B
7v ZENER
VREF
VREF
NONINV. INPUT
SOFT START
R26
50K
VREF
OUPUT B
D1
6
VCC
OUTPUT A
U2
SG3525
D2
R39
255K
C16
VSET
A
10
1N914
VDAC
R34
40K
INITIAL
CAC
CAC
CAC
CAC
11
249
SYNC
R25
10K,1%
CC STAGE AMPLIFIER FOR COMP
13
15
R12
D8
CHANGE DESCRIPTION
TP12
ACOMP
ACOMP
PWM CONTROLLER
8
DATE
C
30K
R22
D7
7V
DAC I2C ADDRESS
WRITE ADDRESS READ ADDRESSASSY NUMBER
18
19
TBD
1A
1B
TBD
1C
1D
TBD
1E
1F
TBD
REV.
R5
N/I
+12V
LAMP CURRENT FEEDBACK AMPLIFIER
Applies to PCAs: 04540 -01 and -02
VLAMP
4
3
A1
0
1
0
1
TP9
Lamp Voltage
VCOMP
7
C5
0.01 uF
A0
0
0
1
1
D
R1
N/I
1N4148
R6
75, 1/4W
+12V
B
LAMP OUTPUT
1N4148
LAMP DRIVE POWER STAGE
LAMP POWER CONTROL DAC
1
TP8
Primary Current
10k
C6
0.03 uF
D4
1N4148
D5
TP7
Q3 Drain V
IRF520
Q3
C23
TP10
PreReg_Control
D3
0.01 uF
IRF520
Q2
VREF
VDAC
R20
C4
220
VREF
ACOMP_2
PE-6196
2.7k, 25W
RP2D
4.7K
VREF
1
2
3
4
5
6
7
8
TP6
Q2 Drain V T1
IPRIMARY
TP4
TEST_PLUG
R7
3.9K
6
P2
8
1
2
3
4
5
7
P1
D
3
PRIMARY WINDING OVERCURRENT CUTOFF
4
The information herein is the
property of TML and is
submitted in strictest confidence for reference only
Unauthorized use by anyone
for any other purposes is
prohibited This document or
any information contained
in it may not be duplicated
without proper authorization
5
APPROVALS
DATE
Used for PCA 04692
DRAWN
CAC
CHECKED
Sch, Bursting UV Lamp Drv,
5/1/03
SIZE
B
APPROVED
DRAWING NO.
REVISION
04693
E
LAST MOD.
SHEET
2-Jun-2004
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