Showing all 11 results

  • IKSemicon TL494 Pulse-Width-Modulation Controller IC

    16.28

    The IL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the IL494 contains an on-chip 5-volt regulator, two error amplifiers,an adjustable oscillator, a dead-time control comparator, a pulse-steering flip-flop, and output-control circuitry. The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Push-pull or…

  • IKSemicon TL494 Pulse-Width-Modulation Controller IC

    25.00

    The IL494 incorporates on a single monolithic chip all the functions required in the construction of a pulse-width-modulation control circuit. Designed primarily for power supply control, the IL494 contains an on-chip 5-volt regulator, two error amplifiers,an adjustable oscillator, a dead-time control comparator, a pulse-steering flip-flop, and output-control circuitry. The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Push-pull or…

  • KA3525 (SG3525) PWM Controller

    11.00

    The KA3525A is a monolithic integrated circuit that includes all of the control circuits necessary for a pulse width modulating regulator. There is a voltage reference, an error amplifier, a pulse width modulator, an oscillator, an under-voltage lockout, a soft start circuit, and the output driver in the chip. Features It can operate with a…

  • OB2269AP PWM Controller IC

    19.50

    The highly integrated current mode PWM control IC OB2269AP is designed for high performance, low standby power, and cost-effective offline fly-back converter applications with power levels above 20W. PWM switching frequency can be externally programmed and is reduced to a small range during regular operation. To reduce switching loss, the IC runs in extended ‘burst…

  • ONSEMI SG6858 Green Mode PWM Controller for Flyback Converters

    29.86

    This highly integrated PWM controller provides several special enhancements designed to meet the low standby power needs of low-power SMPS. The proprietary green-mode function provides off-time modulation to linearly decrease the switching frequency under light-load conditions to minimise standby power consumption. This green-mode function enables the power supply to meet even the strictest power conservation…

  • ONSEMI SG6858 Green Mode PWM Controller for Flyback Converters

    32.00

    This highly integrated PWM controller provides several special enhancements designed to meet the low standby power needs of low-power SMPS. The proprietary green-mode function provides off-time modulation to linearly decrease the switching frequency under light-load conditions to minimise standby power consumption. This green-mode function enables the power supply to meet even the strictest power conservation…

  • Texas Instruments TL2843 Current-Mode PWM Controller IC SMD

    32.00

    The TL2843 family of control integrated circuits provides the functionality required to construct off-line or DC-to-DC fixed-frequency current-mode control schemes with the least number of external components. An undervoltage lockout (UVLO) with a start-up current of less than 1 mA and a precision reference trimmed for accuracy at the error amplifier input are a couple…

  • UC3843 Current Mode PWM Controller

    13.00

    The UC3843 fixed frequency current mode controller is specifically designed for off−line and DC−to−DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem…

  • UC3845 Current Mode PWM Controller

    14.00

    The UC3845 fixed frequency current mode controller is specifically designed for off−line and DC−to−DC converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem…

  • Unisonic Tech. UC3845L DIP-8 Current mode PWM Controller

    13.00

    It’s a Unisonic Technologies UC3845L DIP-8 High Performance Current mode PWM Controller. With a small number of external components, it is a high-performance fixed frequency current mode controller that is intended for off-line and DC-to-DC converter applications. UC3845 has UVLO thresholds of 8.5V(ON) and 7.6V(OFF) for lower voltage applications. DATASHEET Features: Operation output switching frequency up to…

  • UNITROAD UCC3895 BiCMOS PWM Controller IC

    140.00

    The UCC3895 is a phase shift PWM (pulse-width modulation) controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other. It allows constant frequency pulse-width modulation in addition with resonant zero-voltage switching to provide high efficiency at high frequencies. It can be used either…