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Allegro Microsystems |
Off-Line Quasi-Resonant Flayback Switching Regulators The series is provided in a five-pin overmolded TO-3P style package, affording dielectric isolation without compromising thermal characteristics. 2 3 VIN 1 OVER-CURRENT & FEEDBACK 4 Dwg. PK-011-1 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Contro |
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Allegro Microsystems |
STR-6654 |
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Allegro |
OFF-LINE SWITCHING REGULATORS I I I I I I I I I Quasi-Resonant Operation for Low EMI and High Efficiency Output Power to 220 W Low-Power Output Standby Mode Pulse-by-Pulse Over-Current Protection Latched Over-Voltage and Thermal Protection Third-Generation Switching Transistor wi |
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Allegro MicroSystems |
Quasi-Resonant Topology Primary Switching Regulators and Benefits ▪ Quasi-resonant topology IC ⇒ Low EMI noise and soft switching ▪ Bottom-skip operation ⇒ Improved system efficiency over the entire output load by avoiding increase of switching frequency ▪ Standby burst mode operation ⇒ Lowers input po |
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Allegro MicroSystems |
STR-A6252 higher allowable switching current and lower on-resistance. The STR-A6251 is also available for 67 kHz operation. Covering the power range from below 21 watts or 24 watts for a 230 VAC input, or to 15 or 20 watts for a universal (85 to 264 VAC) input |
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Allegro MicroSystems |
Voltage Regulator |
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Allegro |
OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATOR The device is provided in a five-pin over-molded TO-220 style package, affording dielectric isolation without compromising thermal characteristics. Proven in substantial volumes, the STR-G6653 is a robust low-risk solution for off-line power supplie |
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Allegro Microsystems |
Universal Input/100W Off-Line Quasi Resonant Flyback Switching Regulator The STR-W6754 is provided in a fully molded TO-220-style flangemounted, high power, isolated plastic package. FEATURES AND BENEFITS ■ Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required ■ 0.96 Ω Maximum rDS(on) |
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Allegro Microsystems |
Off-Line Quasi-Resonant Flayback Switching Regulators The series is provided in a five-pin overmolded TO-3P style package, affording dielectric isolation without compromising thermal characteristics. 2 3 VIN 1 OVER-CURRENT & FEEDBACK 4 Dwg. PK-011-1 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Contro |
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Allegro Microsystems |
Universal Input / 58W Off-line Quasi Resonant Flyback Switching Regulator The STR-W6753 is provided in a fully molded TO-220-style flangemounted, high power, isolated plastic package. FEATURES AND BENEFITS ■ Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required ■ 1.7 Ω Maximum rDS(on) ■ |
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Allegro MicroSystems |
STR-A6259H AND BENEFITS provide high reliability of system design. 100 kHz PWM with ±5% frequency jittering for EMI noise Cycle-by-cycle current limiting, undervoltage lockout with filtering cost reduction hysteresis, overvoltage protection, and thermal shutdow |
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Allegro MicroSystems |
STR-A6051M and Benefits ▪ Small DIP8 package with 8 to 24 W power output 230 VAC ▪ Current Mode PWM control with 67 kHz switching frequency ▪ Built-in Random Switching function, reducing EMI noise, and simplifying EMI filters, and therefore reducing cost ▪ Buil |
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Allegro MicroSystems |
OFF-LINE SWITCHING REGULATORS - WITH BIPOLAR SWITCHING TRANSISTOR I Quasi-Resonant Operation for Low EMI and High Efficiency I Low-Power Output Standby Mode I Indirect Feedback from Auxiliary Winding Reduces External Component Count I Pulse-by-Pulse Over-Current Protection I Latched Over-Voltage and Thermal Protect |
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Allegro |
PWM Switching Regulator and Benefits ▪ Overcurrent protection (OCP) with ac input voltage compensation function; no additional peripheral circuits required—minimizes dependency of OCP on ac input ▪ Overload protection (OLP) with integrated timer reduces power stress (temper |
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Allegro MicroSystems |
Quasi-Resonant Topology Primary Switching Regulators and Benefits ▪ Quasi-resonant topology IC ⇒ Low EMI noise and soft switching ▪ Bottom-skip operation ⇒ Improved system efficiency over the entire output load by avoiding increase of switching frequency ▪ Standby burst mode operation ⇒ Lowers input po |
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Allegro Microsystems |
60 W-Universal Input/90 W-230 Vac Input PWM Switching Regulators and Benefits ▪ Overcurrent protection (OCP) with ac input voltage compensation function; no additional peripheral circuits required—minimizes dependency of OCP on ac input ▪ Overload protection (OLP) with integrated timer reduces power stress (temper |
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Allegro |
STR-A6169 The STR-A6169 is provided in an 8pin mini-DIP plastic package. FEATURES AND BENEFITS ■ Rugged 800 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required ■ 19.2 Ω rDS(on) ■ Two Operational Modes by Automatic Switching: PRC Mod |
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Allegro Microsystems |
Off-Line Quasi-Resonant Flayback Switching Regulators The series is provided in a five-pin overmolded TO-3P style package, affording dielectric isolation without compromising thermal characteristics. 2 3 VIN 1 OVER-CURRENT & FEEDBACK 4 Dwg. PK-011-1 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Contro |
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Allegro Microsystems |
(STR-A6151 / STR-A6159) Universal Input / 13 or 16W Flyback Switching Regulator higher switching current and avalanche-energy ratings and lower on-resistance. Covering the power range from below 13 watts to 16 watts for a 230 VAC input, or 10 to 12 watts for a universal (85 to 264 VAC) input, these devices can be used in a range |
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Allegro Microsystems |
Off-Line Quasi-Resonant Flayback Switching Regulators The series is provided in a five-pin overmolded TO-3P style package, affording dielectric isolation without compromising thermal characteristics. 2 3 VIN 1 OVER-CURRENT & FEEDBACK 4 Dwg. PK-011-1 ABSOLUTE MAXIMUM RATINGS at TA = +25°C Contro |
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