STR6S161HXD
STR6S161HXD is Off-line PWM Controllers manufactured by Sanken.
Off-line PWM Controllers with Integrated Power MOSFET
Data Sheet
Description
The STR6S161HXD is power IC for switching power supplies, incorporating a power MOSFET and a current mode PWM controller IC.
The operation mode is automatically changed, in response to load, to the fixed switching frequency, to the switching frequency control, and to the burst oscillation mode. Thus, the power efficiency is improved.
The product achieves high cost-effective power supply systems with few external ponents.
Features
- Pb-free (Ro HS pliant)
- 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
- AC Input Voltage Detection Function
- Overvoltage Protection Function (HVP)
- Brown-In and Brown-Out Function
- No Load Power Consumption, PIN < 40 m W
- Automatically changed operation mode in response to load conditions
- Fixed switching frequency mode, 100 k Hz (typ.) in normal operation.
- Green mode, 25 k Hz (typ.) to 100 k Hz (typ.) in middle to light load.
- Burst oscillation mode in light load.
- Random Switching Function
- Slope pensation Function
- Leading Edge Blanking Function
- Bias Assist Function
- Protections
- Two Types of Overcurrent Protection (OCP): Pulse-by-Pulse, built-in pensation circuit to minimize OCP point variation on AC input voltage
- Overload Protection with timer (OLP): Auto-restart
- Overvoltage Protection (OVP): Auto-restart
- Thermal Shutdown (TSD): Auto-restart
Typical Application
Package
SOIC16...
