| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
|
|
|
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 |
|
|
|
|
Allegro Microsystems |
STR-6654 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
Allegro MicroSystems |
Voltage Regulator |
|
|
|
|
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) |
|
|
|
|
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 |
|
|
|
|
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) ■ |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
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 |
|
|
|
|
Allegro MicroSystems |
OFF-LINE SWITCHING REGULATORS WITH POWER MOSFET OUTPUT D E R P N E U Y D L O N O T C E C s PWM Flyback Conversion or Forward Conversion s Output Power to 250 W s Pulse-by-Pulse Current Limiting s Fixed-Frequency 100 kHz PWM s Avalanche-Rated Power MOSFET Switch s Soft Start R O R F E R E s Int |
|
|
|
|
Allegro MicroSystems |
Flyback Switching Regulators 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 |
|
|
|
|
Allegro Microsystems |
STR-F6653 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 |
|
|
|
|
Allegro MicroSystems |
Off-Line Quasi-Resonant Switching Regulators and Benefits Description The STR-X6769 is a quasi-resonant topology IC designed for SMPS applications. It shows lower EMI noise characteristics than conventional PWM solutions, especially at greater than 2 MHz. It also provides a soft-switching mode |
|