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STRS5707 Datasheet(PDF) 2 Page - Allegro MicroSystems

Part No. STRS5707
Description  OFF-LINE SWITCHING REGULATORS - WITH BIPOLAR SWITCHING TRANSISTOR
Download  8 Pages
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Maker  ALLEGRO [Allegro MicroSystems]
Homepage  http://www.allegromicro.com
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STRS5707 Datasheet(HTML) 2 Page - Allegro MicroSystems

   
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STR-S5707 AND STR-S5708
OFF-LINE
QUASI-RESONANT FLYBACK
SWITCHING REGULATORS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
FUNCTIONAL BLOCK DIAGRAM
ALLOWABLE PACKAGE POWER DISSIPATION
MAXIMUM SAFE OPERATING AREA
60
40
20
20
60
100
3.2 W
140
LIMITED BY FRAME
TEMP. = +125
°C MAX.
RECOMMENDED MAX.
FRAME TEMP. = +100
°C
FREE AIR
54 W
0
TEMPERATURE in
°C
MOUNTING SURFACE
TEMPERATURE
Dwg. GK-003-2
PROPORTIONAL
DRIVE
TSD
OVER-VOLT.
PROTECT
OSC.
R
S
Q
V
IN
SENSE
7
OVER-CURRENT
PROTECTION
COMMON
COLLECTOR
BASE
SINK
DRIVE
3300 pF
1 k
Rton
Rtoff
0.75 V
-1 V
1.4 V
5.1 V
REF.
FAULT
LATCH
+
+
+
+
INHIBIT
9
6
8
4
3
1
2
5
Dwg. FK-001-1
UVLO
1500 pF
30
3.0
0.3
COLLECTOR-EMITTER VOLTAGE in VOLTS
Dwg. GK-002-1A
1.0
10
0
200
400
600
1000
0.5
5.0
800
STR-S5708 (15 A)
STR-S5707 (12 A)
L = 6 mH
IB1 = 2.5 A
IB2 = 0.8 A
ton = 100
µs
dc < 1%
Copyright © 1994 Allegro MicroSystems, Inc.


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