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L6615

HIGH/LOW SIDE LOAD SHARE CONTROLLER

s

s

s

s

s

s

s

SSI SPECS COMPLIANT

HIGH/LOW SIDE CURRENT SENSING

FULLY COMPATIBLE WITH REMOTE

OUTPUT VOLTAGE SENSING

FULL DIFFERENTIAL LOW OFFSET

CURRENT SENSE

2.7V TO 22V V

CC

OPERATING RANGE

32k鈩?SHARE SENSE AMPLIFIER INPUT

IMPEDANCE

HYSTERETIC UVLO

BCD TECHNOLOGY

DIP8

SO8

ORDERING NUMBERS:

L6615N

L6615D

L6615DTR(T & Reel)

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

TYPICAL APPLICATION DIAGRAM

R

SENSE

+OUT

+OUT_S

-OUT_S

-OUT

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.

(*)

R

ADJ

PS #1

R

G1

R

G2

1

2

3

4

GND

CS-

CS+

ADJ

VCC

CGA

SHARE

COMP

8

7

6

5

L6615

C

C

R

C

R

CGA

R

SENSE

+OUT

+OUT_S

(*)

R

ADJ

+OUT

LOAD

GND

-OUT_S

-OUT

PS #N

R

G1

R

G2

1

2

3

4

GND

CS-

CS+

ADJ

VCC

CGA

SHARE

COMP

8

7

6

5

SHARE BUS

L6615

C

C

R

C

R

CGA

(*) OR-ing FET can

be used to reduce

power dissipation

July 2003

1/20

next

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