DC1322A - Schematic

REVISION HISTORY
ECO
REV
DESCRIPTION
0
VIN
8V - 40V
DATE
APPROVED
1st PROTOTYPE
T1
E1
7
C1
6.8uF
50V
E2
GND
C2
6.8uF
50V
C3
82uF
50V
+
6
8
D1
C6
C4
0.1uF
630V
CMR1U-10
9
VCC
R4
100K
U1
LT3751EUFD
5
DONE
E6
6
C7
R8
80.6K
CHARGE
1
1%
11
1uF
R10
R11
845K
1%
2
80.6K 1%
3
GO
R3
4
1.33K
1%
10
R6
E5
STOP
R2
0 Ohm
R5
100K
19
CHARGE
1
(Opt)
R1
40.2K
1%
VCC
R17
JP1
RVTRANS
DONE
CHARGE
VCC
14
RVOUT
16
RDCM
17
HGATE
13
20
UVLO1
LVGATE
12
1
OVLO1
CSP
10
2
UVLO2
CSN
9
3
OVLO2
FB
8
4
FAULT
CLAMP
7
442K 1%
VCC
RBG
DCT20EFD-U32S003
21.0K
1%
Q1
Si7846DP
(Opt)
R16
0.012
1%
VCC
R23
OUTPUT BLEEDER
100K
R13
33K
R14
33K
R15
33K
2
R24
0 Ohm
E7
R12
100K
1
DISCHARGE
0 Ohm
(Opt)
21
E4
GND
GND
R18
VOUT
300V
C5
+ 400uF
330V
Rubycon
3
40.2K
1%
R7
R9
E3
VOUT
12
5
NORMAL
OPERATION
FAULT
Q2
2SD2568TLQ
3
JP2
R19
R20
R25
0 Ohm
C10
(Opt)
1206
0 Ohm
(Opt)
(Opt)
E8
VCC
8V - 24V
VCC
U2
LT3010EMS8E
C8
0.47uF
50V
8
VIN
OUT
1
VCC
1
E9
GND
5
SHDN
GND
9
SENSE
GND
4
2
EXT
2
3
R21
34.0K
1%
C9
1uF
WARNING!
SHOCK HAZARD.
OPERATION BY HIGH VOLTAGE
TRAINED PERSONNEL ONLY.
INT
JP3
R22
4.99K
1%
APPROVALS
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice: Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application. Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
DRAWN: Rudy Bautista
ENGINEER:
Wei Gu
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD
MILPITAS, CA. 95035
(408)432-1900
(408)434-0507 (FAX)
www.linear.com
LTC Confidential For Customer Use Only
Title:: LT3751EUFD
Capacitor Charger Controller with Regulation
APPROVED:
CHECKED:
Date: Wednesday, February 04, 2009
SD
Document Number
Rev
Demo Circuit 1322A
C:\ORCADWIN\CAPTURE\1322A\1322A_REV1.DSN
Sheet
1
1
of
1
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