STR6A161HZ
Overview
The STR6A100HZ series are power ICs for switching power supplies, incorporating a MOSFET and a current mode PWM controller IC. To enhance efficiency in all load ranges, the IC automatically shifts its operation to the green mode or burst oscillation mode, depending on the load.
- Improving circuit efficiency (Since the step drive control can keep VRM of secondary rectification diodes low, the circuit efficiency can be improved by low VF)
- Current Mode Type PWM Control
- Brown-in and Brown-out Function
- No Load Power Consumption, PIN < 25mW
- Automatically changed operation mode in response to load conditions - Fixed switching frequency mode, 100 kHz (typ.) in normal operation. - Green mode, 25 kHz (typ.) to 100 kHz (typ.) in middle to light load. - Burst oscillation mode in light load.
- Random Switching Function
- Slope Compensation Function
- Leading Edge Blanking Function
- Bias Assist Function
- Protections - Two Types of Overcurrent Protection (OCP): Pulse-by-Pulse, built-in compensation circuit to minimize OCP point variation on AC input voltage - Overload Protection with timer (OLP): Ato restart - Overvoltage Protection (OVP): Latch shutdown - Thermal Shutdown (TSD): Latch shutdown
