Linear Technology DC1819A, Демонстрационное руководство

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5
dc1819afa
DEMO MANUAL DC1819A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
SCHEMATIC DIAGRAM
4 4
3 3
2 2
1 1
4
4
3
3
2
2
1
1
UNLESS NOTED: RESISTORS: OHMS, 0402, 1%, 1/16W CAPACITORS: uF, 0402, 10%, 50V
1.7V -
5
.5
V
1.7V -
5
.5
V
BOTH
ENABLE CONTROL
PRIORITY
YLW
GRN
Y
L
W
GRN
2A
INTERNAL 6A
4A
4A 2A 1A
Iout (A) = 500/RCLPROG
0.5A
6A INTERNAL
1A 0.5A
4A
4A
1.
7V
-
5.5V
1.7V -
5
.5
V
CLIM
1
C
LI
M
2
JOSH Y
.
PRODUCTION FA
B
2
08-19-11
REVISION HISTORY
DESCRIPTION
DATE
APPROVED
ECO
REV
2
DEMO CIRCUIT 1819A
1
1
DUAL 4A IDEAL DIODES WITH ADJUSTABLE CUR
R
EN
T
LI
MI
T
N/A
LTC4415EMSE
NC JOSH Y
.
08-19-11
SIZE DAT
E:
IC NO
.
R
EV
.
SHEE
T
O
F
TITL
E:
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AND PRI
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VIN1 VIN2
VIN2
VIN1
E6
GND
R12
332
R19
1
5%
R16 1K 5 %
C1 10
μ
F
0805 16V
E1
VIN
1
E5
VIN2
C5 10
μ
F
6.3V 0603
JP1
R5 10k
E3
EN1
R13 143
R2
2k
E14
WARN2
E4
EN2
D3 STAT2
1 2
D1
STAT1
1 2
C6 10
μ
F
6.3
V
0603
C4
10
μ
F
16V
0805
U1 LTC4415EMSE
1 3
10
7
17
15 14
2 4 8 5 6
9 16 13 12 11
IN1 EN1
OUT2
IN2
GND
OUT1
STAT1
IN1 CLIM1 IN2 CLIM2 EN2
OUT2 OUT1
WARN1 WARN2
STAT2
R4
10k
E8
CLI
M
2
E15
VOUT1
R8 332
R20 1 5%
C3 10
μ
F
16V 0805
R1 100k
E13
STAT2
E16
GND
JP2
R15 1K 5 %
R7 1k
R17 1K 5 %
E12
WARN1
E17
VOUT
2
C8 10
μ
F
6.3
V
0603
E10
GND
E7
CLI
M
1
E11
STAT1
E18
GND
R6
143
R3 21.5k
D2
WARN1
1 2
R21 1 5%
D4 WARN2
1 2
C7 10
μ
F
6.3
V
0603
R9 1k
E9
GND
R10
1k
JP3
R11 1k
C2
10
μ
F
0805
16V
R14 1K 5 %
R18
1 5%
E2
GND