Description In general, quasi-resonant converters (QRCs) show low EMI and high power conversion efficiency compared to conventional hard-switching converters with fixed switching frequency. Therefore, it is very suitable for QRC noisesensitive applications such as color TV and audio. Each product in the FSCQ series contains an integrated pulse width modulation (PWM) controlle...
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illustrate The FSD200 and FSD210's integrated Pulse Width Modulator (PWM) and Field Effect Transistor sense specially designed high performance offline Switch Mode Power Supplies (SMPS) with minimal external components. Both devices are monolithic high-voltage switching power supplies that combine a voltage-mode PWM control block with a conscious LDMOS FET. ...
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Description The FSDH0165 is specially designed for off-line switching power supplies with minimal external components. The FSDH0165 is a monolithic high voltage power switching regulator that combines a value SenseFET (LDMOS device) voltage mode PWM control block. Includes PWM controller with integrated fixed oscillator, undervoltage lockout, leading edge blanking, optim...
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Description The FSDL0165RN is a specially designed high-performance off-line switching power supply (SMPS) with integrated pulse width modulator (PWM) and detection FET with minimal external components. This device is an integrated high voltage power switching regulator combined with a rugged sense FET control block for avalanche and current mode PWM. Features of the inte...
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DESCRIPTION The X60003x-41™ FGA voltage reference is a very high precision analog voltage reference fabricated with Intersil's proprietary floating gate analog technology, which achieves superior levels of performance when compared to traditional bandgap, buried Zener, or XFET ™ technology. FGA's Voltage Reference™ features very high initial accuracy, very low...
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Device Description The ZH431 is a three-terminal adjustable shunt regulator providing excellent temperature stability and output current handling capability up to 30mA. The output voltage can be set to any selected voltage from 2.5 to 36 volts with two select external voltage divider resistors. The device can be used as a replacement for Zener diodes in many applications where Zener impr...
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Device Description The ZR2431 is a three-terminal adjustable shunt regulator providing excellent temperature stability and output current handling capability up to 25mA. The output voltage can be set to any selected voltage between 1.24 and 15 volts by two external resistor dividers. This device can be used as a replacement for Zener diodes in many applications where improvements in Zene...
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Device Description The ZRA124 circuit design using a bandgap achieves a high precision micropower voltage reference of 1.24 volts. The device is available in a small outline surface mount package, ideal for applications where space savings is important, and kit through-hole requirements. The ZRA124 is designed to provide a stable voltage without external capacitors and stable capacitive...
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DESCRIPTION Fairchild's Power Switch (FPS) product family is specifically designed for off-line switching power supplies with minimal external components. Fairchild's Power Switch (FPS) consists of a high voltage value SenseFET and a current mode PWM IC. Includes PWM controller with integrated fixed oscillator, optimized gate turn-on/turn-off driver with...
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Explain that the KA7500B is used for PWM control circuit switching regulator. The KA7500B consists of a 5V reference voltage circuit, two error amplifiers, a flip-flop, an output control circuit, a PWM comparator, a dead-time comparator and an oscillator. The device operates at a switching frequency of 1kHz to 300kHz. Features • Internal regulator provides a regulated 5V volt...
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DESCRIPTION The L6565 is a current mode master controller chip specially designed to build off-line quasi-resonant ZVS (Zero Voltage Switching On Switching) flyback converters. Quasi-resonant operation is a means by which the transformer demagnetization detection input triggers the conduction of the MOSFET. Changes in the power supply and mains voltage capability of th...
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