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STR-A6061H Datasheet(PDF) 1 Page - Sanken electric |
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STR-A6061H Datasheet(HTML) 1 Page - Sanken electric |
1 / 13 page SANKEN ELECTRIC CO., LTD. http://www.sanken-ele.co.jp/en/ Description The STR-A6059H, STR-A6061H, STR-A6062H, and STR-A6069H are power ICs for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC in one package. To achieve low power consumption, these products include a startup circuit and a standby function in the controller. The switching modes are automatically changed according to load conditions: in normal operation, PWM mode, and in light load conditions, burst mode. The rich set of protection features helps to realize low component counts, and high performance- to-cost power supply. Features and Benefits ▪ Current mode PWM control ▪ Brown-In and Brown-Out function: auto-restart, prevents excess input current and heat rise at low input voltage ▪ Auto Standby function: improves efficiency by Burst mode operation in light load ▫ Normal load operation: PWM mode ▫ Light load operation: Burst mode ▪ No load power consumption < 25 mW ▪ Operating frequency, fOSC(AVG)(typ) = 100 kHz ▪ Random Switching function: reduces EMI noise, and simplifies EMI filters ▪ Slope Compensation function: avoids subharmonic oscillation ▪ Leading Edge Blanking function PWM Off-Line Switching Regulator ICs Typical Application Circuit Not to scale Continued on the next page… STR-A6000H Series STR-A6000H-DS January 8, 2013 Applications: Switching power supplies for electronic devices such as: • Battery charger • Standby power supply • Small switch-mode power supply (SMPS) • Auxiliary power supply for controller Package: DIP8 VAC C1 C5 R1 D1 BR1 R2 C2 T1 D P PC1 C3 ROCP C9 CRD clamp snubber C4 C (CR) Dumper snubber 123 4 D/ST D/ST BR NC S/OCP FB/OLP GND VCC 87 5 STR-A6000 U1 D2 C10 RC RB RA D51 C51 R51 R52 U51 R54 R56 C52 S PC1 R53 R55 L51 C53 VOUT GND |
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