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STRG6651 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part No. STRG6651
Description  OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATOR
Download  8 Pages
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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STRG6651 Datasheet(HTML) 2 Page - Allegro MicroSystems

   
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STR-G6651
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATOR
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1999, 2000 Allegro MicroSystems, Inc.
FUNCTIONAL BLOCK DIAGRAM
FEEDBACK &
OVER-CURRENT
PROTECTION
GROUND
V
IN
SOURCE
DRAIN
Dwg. FK-002-5
0.73 V
TSD
OVER-VOLT.
PROTECT
R
SQ
REF.
FAULT
LATCH
4
1
2
1.45 V
UVLO
+
5
+
3
DRIVE
REG.
OSC
ALLOWABLE PACKAGE POWER DISSIPATION
MAXIMUM SAFE OPERATING AREA
30
20
10
20
60
100
1.5 W
140
LIMITED BY FRAME
TEMP. = +125
°C MAX.
FREE AIR
27 W
0
TEMPERATURE in
°C
MOUNTING SURFACE
TEMPERATURE
Dwg. GK-003-4
0.8 W
CONTROLLER
50
5
0.5
0.05
DRAIN-SOURCE VOLTAGE in VOLTS
Dwg. GK-004-5
0.15
1.5
15
3.0
10
30
100
300
NO HEAT SINK
NATURAL COOLING
TA = +25
°C
tw =
1 ms
SINGLE
PULSE
1000
tw =
0.1
m
s S
IN
GL
E P
UL
SE
LIMITED
BY
rDS(on)


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