STRA6062H Datasheet | Sanken

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 m W - Operating frequency, f OSC(AVG)(typ) = 100 k Hz - Random Switching function: reduces EMI noise, and simplifies EMI filters - Slope pensation function: avoids subharmonic oscillation - Leading Edge Blanking function Continued on the next page… 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 ponent counts, and high performanceto-cost power supply. 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 Not to scale Typical Application Circuit CRD clamp snubber BR1 VAC RA C1 RB D1 C5 R1 P C51 S D2 8 7 NC 5 VCC T1 D51 L51 VOUT R54 PC1 R52 R51 R55 C53 R2 C52 R53 U51 R56 D/ST D/ST C4 C2 D GND U1 STR-A6000 S/OCP BR GND FB/OLP C（ CR ） Dumper...