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STRS5707 Datasheet(PDF) 2 Page - Allegro MicroSystems |
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STRS5707 Datasheet(HTML) 2 Page - Allegro MicroSystems |
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2 / 8 page 
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 Ω 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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