DC998A - Schematic

A
B
C
4
+5V
U2
HCPL-0300
NC
2
3
= Probe Openings
R2
1K
4
1
3
14
12
10
8
6
4
2
C1
0.1uF, 16V
X7R
U6
24LC025
NC
2
3
3
4
A0
VCC
A1
WP
A2
SCL
VSS
SDA
R6
5.11K
1%
8
R7
5.11K
1%
+
+
+
+
+
+
+
GND
+
+
+
+
+
+
RTN
U4
MOC207-M
R4
100K
1
6
2
5
INTVCC
E13
SHORT PIN
1
3
RTN
JP8
ON
E16
1
3
5
ON
INTVCC
TP9
TP11
E17
+
+
+
+
+
+
+
2
4
6
HIGH
EXT
LOW
R9
10K
1
2
5
6
INTVCC
R16
0
R15
100K
R18
100K
R17
0
R19
100K
R20
100K
CVCC
0.1uF, 16V
X7R
RUV1
10.2K
1%
RUV2
0
E26
E28
SDAO
SDAO
9
CUV
0.01uF, 10V
X7R
10
11
ROV2
42.2K
1%
VEE
ROV1
1.02K
1%
COV
0.01uF, 10V
X7R
12
JP11
ADIN2
R21
10.0K
1%
E25
VEE
E24
EXT
1
3
R22
(Opt.)
+
+
13
TP15
2
4
+
+
TP16
14
PGI
PGIO
ON
PG
ALERT
EN
SDAO
ADR1
SDAI
ADR0
RIN6
510
1/4W
RIN5
510
1/4W
UVL
NC
R23
(Opt.)
E31
TP17
1
Q5
Opt.
Q6
Opt.
2
1
Q4
Opt.
2
1
Q3
Opt.
2
1
-48V INPUT
D3
LED
GREEN
E34
SCL
D9
LED
Opt.
RIN3
510
1/4W
R33
24K
1/4W
RTN
+
E36
RTN
R14
10K
DCLAMP1
SMBT70A
RIN2
510
1/4W
TP19
2
4
6
LOW
FLOAT
HIGH
I2C
ADDRESS
+
+
+
+
+
+
2
4
6
LOW
FLOAT
HIGH
FLTIN
CF
0.033uF
25V
16
RD
1M
15
GATE
3
VIN
E21
VEE
CIN
1uF
16V
CTMR
0.22uF
16V
CSS
0.22uF
16V
3
R13
100K
E22
TP13
E23
RF
1K
Q1
IRF1310NS
CR
0.01uF,100V
X5R
4
Q2
(Opt.)
HUF75652
MIN. TRACE WIDTH FOR
HIGH CURRENT PATH = 500 MILS
4
TP18
A1
R24
(Opt.)
D4
LED
GREEN
A2
2
SDAI
D8
LED
Opt.
C2
Opt.
R32
Opt.
+
+
+
R34
24K
1/4W
MIN. ISOLATION LANE WIDTH = 55 MILS
R35
24K
1/4W
DCLAMP2
S1B
2
E32
-48V/200W OUTPUT
R36
24K
1/4W
E35
1
R31
Opt.
+
+
+
INTVCC
E20
TP14
1
R30
Opt.
3
SDAO
D7
LED
Opt.
R29
Opt.
2
R28
Opt.
3
ALERT
D6
LED
Opt.
R27
Opt.
3
R26
Opt.
3
R25
Opt.
VEE
R12
422K
1%
2
E33
E10
JP10
ADR0
1
3
5
E19
TP12
17
3
VEE
E8
EN
ADIN
R10
(Opt.)
18
CG
0.047uF,16V
X5R
RS
.008
VEE
HIGH
EXT
LOW
JP4
ADR1
VIN
19
NC
RG
10
RIN4
510
1/4W
1
3
20
DRAIN
SENSE
2
4
6
INTVCC
R5
10.0K
1%
R11
10.2K
1%
21
RAMP
VEE
+
+
+
22
SS
OV
+
+
+
+
+
E
E12
23
TIMER
UVH
+
+
24
VIN
ADIN2
EXT
25
FLTIN
INTVCC
ALERT
E30
5
VDS
26
ADIN
SCL
2
4
27
OV
VIN
E29
ALERT
28
E27
SDAI
SDAI
7
8
ADIN2
SCL
SCL
RUV3
162K
1%
E9
JP9
ADIN
U5
LTC4261CGN
4
TP7
1
3
5
C
6
1
3
5
BYPASS
+
+
+
1
R1
10K
JP2
EN
1
3
TP6
PERSONALITY
AREA
VEE
OPTO
2
4
VEE
E15
A2
D2
LED
GREEN
TP2
U3
MOC207-M
PG
OUTPUT
5
TP10
PGIO
E5
2
PGI
INPUT
E14
RTN
4
E
E2
PGIO
OUTPUT
2
4
JP6
PGI
3
INTVCC
2
R3
100
7
TP8
+
+
E11
E18
6
+
+
C
E1
E6
K
SPLIT
R8
5.11K
1%
5
E7
2
4
+
+
6
2
EXT
JP5
UV/OV
TP5
COM
1
3
1
GND
5
SHORT
PIN
2
4
JP7
SDA
E4
6
U1
MOC207-M
A1
OPTO
1
3
OUTPUT
A
I2C
13
11
9
7
5
3
1
E3
7
SINGLE WIRE
INTERFACE
2
4
+
+
8
C3
0.1uF, 16V
X7R
1
1
+
+
+
+
+
+
+
+
+
VOUT
TP3
SINGLE
WIRE
TP4
RL
CATHODE
JP3
INTERFACE
J1
I2C INTERFACE
VCC
ANODE
R37
(Opt.)
E
D1
LED
GREEN
JP1
PGIO
1
1
INTVCC
TP1
D
RIN1
510
1/4W
RTN
+
E37
RTN
+
E38
UV
1
INPUT
THRESHOLDS
OFF
38.7V
UV
ON
43.2V
OV
ON
73.4V
OV
OFF
75.0V
1
LTC CONFIDENTIAL - FOR CUSTOMER USE ONLY
Customer Notice
Linear Technology Has Made A Best Effort To Design A
Circuit That Meets Customer-Supplied Specifications;
However, It Remains The Customer's 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 Technology
Applications Engineering For Assistance.
This Circuit Is Proprietary To Linear Technology And
Supplied For Use With Linear Technology Parts.
NOTES: UNLESS OTHERWISE SPECIFIED
A
B
C
D
LINEAR TECHNOLOGY CORPORATION
1630 McCARTHY BLVD.
MILPITAS, CA. 95035
408-432-1900
408-434-0507 FAX
Title
200W Negative 48V Hot Swap Controller
With Current and Voltage Monitoring
Size
Document Number
Date:
Monday, April 24, 2006
Demo Circuit 998A
E
Rev
LTC4261CGN
Sheet
1
of
1
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