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
UF4007 Diode
- Maximum Recurrent Peak Reverse Voltage - 1000 V
- Maximum Average Forward Output Current - 1 A
- Maximum Forward Voltage Drop per element at 1.0A DC - 1.7 V
- Maximum reverse recovery time - 75 ns
- Typical Junction Capacitance 15 pF
- Package - DO-41
- Operating and Storage Temperature Range: -55...+125 °C
- Weight 0.33 grams
UF5408 Diode
- Maximum repetitive peak reverse voltage VRRM: 1000V
- Maximum RMS voltage VRMS:Â 700V
- Maximum DC blocking voltage VDC: 1000V
- Maximum average forward rectified current, 0.375" (9.5 mm) lead length at TA= 55°C, IF(AV) = 3.0V
-
Diffused Junction
-
 Low Forward Voltage Drop
-
High Current Capability
-
High Reliability
-
High Surge Current Capability
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
ULN2803 8-Channel Darlington Sink Driver IC
- 8-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 30V
- Clamp diode reverse voltage:Â 50V
- Clamp diode forward current:Â 500mA
- Power Dissipation:Â 1.47W
- Package:Â DIP18
ULN2804 8-Channel Darlington Sink Driver IC
- 8-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 30V
- Clamp diode reverse voltage:Â 50V
- Clamp diode forward current:Â 500mA
- Power Dissipation:Â 1.47W
- Eight Darlingtons with common emitters
- TTL, PMOS or CMOS Compatible inputs
- Clamp diodes for transient suppression
- Package:Â DIP18
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
UTC1240A Electronic Dual-Tone Ringer
VIPER12A Low Power Offline SMPS Primary Switcher IC
- Drain Source voltage: 730V
- Off State Drain Current: 0.1mA
- Static drain-source ON state resistance: 27Ω
- of Outputs: 1
- Power dissipation: 8W
- Package: DIP-8
- Low power offline switched-mode power supply primary switcher
- Fixed 60 kHz switching frequency
- High voltage start-up current source
- Over temperature, over current and over voltage protection with auto-restart
VIPER22A Low Power Offline SMPS Primary Switcher IC
- Drain Source voltage: 730V
- Off State Drain Current: 0.1mA
- Static drain-source ON state resistance: 15Ω
- of Outputs: 1
- Power dissipation: 12W
- Package: DIP-8
- Low power offline switched-mode power supply primary switcher
- Fixed 60 kHz switching frequency
- High voltage start-up current source
- Over temperature, over current and over voltage protection with auto-restart