UC3842A Current Mode Controller IC
- High Performance Current Mode Controller
- Bias and Drive Voltages: 30V
- Total Power Supply and Zener Current: 30mA
- Output Current: 1A
- Reference Output Voltage: 5V
- Line Regulation Max: 20mV
- Load Regulation Max: 25mV
- Frequency: 52KHz
- Low Level Output Voltage: 0.1V
- High Level Output Voltage: 13.5V
- Startup Threshold Max: 9V
- Package: DIP-8
- Optimized for Off-Line and DC to DC Converters
- Low Start Up Current (< 1 mA)
- Automatic Feed Forward Compensation
- Pulse-By-Pulse Current Limiting
- Enhanced Load Response Characteristics
- Â Under-Voltage Lockout with Hysteresis
- Double Pulse Suppression
- High Current Totem Pole Output
- Bandgap Reference
- Â Low Ro Error Amp
- Up to 500-kHz Operation
UC3843A Current Mode Controller IC
- High Performance Current Mode Controller
- Bias and Drive Voltages: 30V
- Total Power Supply and Zener Current: 30mA
- Output Current: 1A
- Reference Output Voltage: 5V
- Line Regulation Max: 20mV
- Load Regulation Max: 25mV
- Frequency: 52KHz
- Low Level Output Voltage: 0.1V
- High Level Output Voltage: 13.5V
- Startup Threshold Max: 9V
- Package: DIP-8
UC3844 Current Mode Controller IC
- High Performance Current Mode Controller
- Total Power Supply and Zener Current: 30mA
- Output Current:Â 1A
- Reference Output Voltage: 5V
- Line Regulation Max: 20mV
- Load Regulation Max: 25mV
- Frequency: 52KHz
- Input Bias Current Max: -10µA
- Propagation Delay Max: 300ns
- Low Level Output Voltage: 0.1V
- High Level Output Voltage: 13.5V
- Startup Threshold Max: 17.5V
- Package: DIP-8
- Optimized for off-line and DC-to-DC converters
- Â Low start-up current (< 1 mA)
- Automatic feedforward compensation
- Pulse-by-pulse current limiting
- Enhanced load-response characteristics
- Undervoltage lockout with hysteresis
- Double-pulse suppression
- High-current totem-pole output
- Internally trimmed bandgap reference
- Up to 500-kHz operation
- Error amplifier with low output resistance
ULN2004 7-Channel Darlington Sink Driver IC
- 7-Channel Darlington Sink Driver
- High Sustaining voltage output: 50 V min
- Output Clamp Diodes
- Inputs compatible with various types of logic
- Output sustaining voltage:Â 0 to 50V
- Output Current Max:Â 500mA/ch
- Input Voltage:Â 0 to 24V
- Clamp diode reverse voltage:Â 50V
- Clamp diode forward current:Â 350mA
- Power Dissipation:Â 0.76W
- Package:Â DIP16
UM93214A 1-memory Tone Pulse Dialer IC
- 1-memory Tone/Pulse Dialer
- Low standby current
- 3.58MHz crystal or ceramic resonator
- Calibrated DTMF timing for redialing
- Memory retention voltage Max:Â 5V
- Operation Current(Pulse):Â 0.2mA
- Operation Current(Tone):Â 0.6mA
- Memory retention current: 0.1µA
- System Frequency:Â 3.58MHz
- Pause Time:Â 2.2s
- Operating Voltage: 2.0V – 5.5V
- Operating Temperature Range:Â -200C to +750C
- Package:Â DIP-16