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L6615N Datasheet(PDF) 1 Page - STMicroelectronics

Part # L6615N
Description  HIGH/LOW SIDE LOAD SHARE CONTROLLER
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6615N Datasheet(HTML) 1 Page - STMicroelectronics

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L6615
July 2003
s
SSI SPECS COMPLIANT
s
HIGH/LOW SIDE CURRENT SENSING
s
FULLY COMPATIBLE WITH REMOTE
OUTPUT VOLTAGE SENSING
s
FULL DIFFERENTIAL LOW OFFSET
CURRENT SENSE
s
2.7V TO 22V VCC OPERATING RANGE
s
32k
Ω SHARE SENSE AMPLIFIER INPUT
IMPEDANCE
s
HYSTERETIC UVLO
APPLICATION
s
DISTRIBUTED POWER SYSTEMS
s
HIGH DENSITY DC-DC CONVERTERS
s
(N+1) REDUNDANT SYSTEMS, N UP TO 20
s
SMPS FOR (WEB) SERVERS
DESCRIPTION
This controller IC is specifically designed to
achieve load sharing of paralleled and indepen-
dent power supply modules in distributed power
systems, by adding only few external components.
Current sharing is achieved through a single wire
connection (share bus) common to all of the paral-
leled modules.
DIP8
SO8
ORDERING NUMBERS:
L6615N
L6615D
L6615DTR(T & Reel)
HIGH/LOW SIDE LOAD SHARE CONTROLLER
TYPICAL APPLICATION DIAGRAM
CS-
CGA
CS+
VCC
ADJ
SHARE
GND
COMP
3
2
4
1
5
6
7
8
L6615
+OUT
GND
PS #1
C
C
R
C
R
CGA
R
ADJ
R
SENSE
CS-
CGA
CS+
VCC
ADJ
SHARE
GND
COMP
3
2
4
1
5
6
7
8
L6615
+OUT
+OUT_S
-OUT_S
-OUT
PS #N
C
C
R
C
R
CGA
R
ADJ
R
SENSE
+OUT
+OUT_S
-OUT_S
-OUT
R
G1
R
G2
R
G1
R
G2
SHARE BUS
LOAD
(
*
) OR-ing FET can
be used to reduce
power dissipation
(
*
)
(
*
)
CS-
CGA
CS+
VCC
ADJ
SHARE
GND
COMP
3
2
4
1
5
6
7
8
L6615
+OUT
GND
PS #1
C
C
R
C
R
CGA
R
ADJ
R
SENSE
CS-
CGA
CS+
VCC
ADJ
SHARE
GND
COMP
3
2
4
1
5
6
7
8
L6615
+OUT
+OUT_S
-OUT_S
-OUT
PS #N
C
C
R
C
R
CGA
R
ADJ
R
SENSE
+OUT
+OUT_S
-OUT_S
-OUT
R
G1
R
G2
R
G1
R
G2
SHARE BUS
LOAD
CS-
CGA
CS+
VCC
ADJ
SHARE
GND
COMP
3
2
4
1
5
6
7
8
L6615
+OUT
GND
PS #1
C
C
R
C
R
CGA
R
ADJ
R
SENSE
CS-
CGA
CS+
VCC
ADJ
SHARE
GND
COMP
3
2
4
1
5
6
7
8
L6615
+OUT
+OUT_S
-OUT_S
-OUT
PS #N
C
C
R
C
R
CGA
R
ADJ
R
SENSE
+OUT
+OUT_S
-OUT_S
-OUT
R
G1
R
G2
R
G1
R
G2
SHARE BUS
LOAD
(
*
) OR-ing FET can
be used to reduce
power dissipation
(
*
)
(
*
)
BCD TECHNOLOGY


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