TOP221PN Off-line PWM Switch IC
- Supply current: 1.2mA
- Supply Voltage: 85-265VAC
- Output Voltage: 5.7 V
- Power (Watts): 9W
- Switching Frequency-Max: 100 kHz
- Package: DIP-8
- Lowest cost, lowest component count switcher solution
- Â Cost competitive with linears above 5 W
-  Very low AC/DC losses – up to 90% efficiency
- Â Built-in Auto-restart and Current limiting
- Latching Thermal shutdown for system level protection
- Implements Flyback, Forward, Boost or Buck topology
- Works with primary or opto feedback
- Stable in discontinuous or continuous conduction mode
- Source connected tab for low EMI
- Circuit simplicity and Design Tools reduce time to market
TOP222YN Off-line PWM Switch IC
- Supply Current: 1.2 mA
- Output Voltage: 5.7 V
- Power (Watts): 25W
- Output Current-Max: 0.5500 A
- Switching Frequency-Max: 110 KHz
- Lowest cost, lowest component count switcher solution.
- Â Cost competitive with linears above 5 W.
- Very low AC/DC losses – up to 90% efficiency.
- Â Built-in Auto-restart and Current limiting.
- Â Latching Thermal shutdown for system level protection.
- Â Circuit simplicity and Design Tools reduce time to market
- Package: TO-22
TOP223Y Offline PWM Switcher IC
- Supply Current: 1.2 mA
- Supply Voltage: 85-265VAC
- Output Voltage: 5.7 V
- Power (Watts): 50W
- Switching Frequency: 100 kHz
- Lowest cost, lowest component count switcher solution
- Cost competitive with linears above 5 W
-  Very low AC/DC losses – up to 90% efficiency
- Â Built-in Auto-restart and Current limiting
- Â Latching Thermal shutdown for system level protection
- Implements Flyback, Forward, Boost or Buck topology
- Â Works with primary or opto feedback
- Â Stable in discontinuous or continuous conduction mode
- Â Source connected tab for low EMI
- Â Circuit simplicity and Design Tools reduce time to market
- Package: TO-220
TL494 Pulse Width Modulation Controller IC
- Supply Voltage: 7 to 40V
- Collector Output Voltage: 40V
- Collector Output Current: 200mA
- Oscillator frequency Max: 300KHz
- Output Regulation: 1mV
- Input Offset Voltage: 2mV
- Input Offset Current: 25nA
- Input Bias Current: 0.2µA
- Pulse Width Modulation Controller
- Uncommitted Outputs for 200mA Sink or Source Current
- Output Control Selects Single-Ended or Push-Pull Operation
- Internal Circuitry Prohibits Double Pulse at Either Output
KA3524 Voltage Mode PWM Control Circuit IC
- Voltage Mode PWM Control Circuit with 200mA Output Drivers
- Output Current (Each Output): 200mA
- Reference Output Current: 50mA
- Oscillator Charging Current: 5mA
- Power Dissipation: 1000mW
- Turn-on Threshold Voltage: 7.5V
- Turn-on Current: 2.5mA
- Output Voltage: 5V
- Maximum Oscillator Frequency: 500KHz
- Line Regulation: 10mV
- Load Regulation: 20mA
- Collector Emitter Voltage: 80V
- Package: Dip-16
20A PWM Motor Speed Controller DC 6 30V 6V 12V 24V 48V
6V 12V 24V 8A PWM DC Motor Speed Controller CCM5D Digital Display LED Motor Controller Speed Regulator
- Input Supply Voltage: 6V-30VDC
- Continuous Current (A): Rated current 5A (8A MAX, cannot be prolonged)
- Maximum Output Power: 240W
- LED display the duty ratio: 0-100%
- PWM Frequency: 16khz
- Duty Cycle adjustable: 0%-100%
- Dimensions: 78*42*25mm
- The display range of 3-digit LED display is "000"-"100".
- Adjustable speed range is 0%-100%
- Fine workmanship and good performance.
- Easy to use.
- Long service life.
- Suitable for the DC motor (or DC load) within 5A, Peak current 8A.
- Incorporate a push key. Push closed, and then push open