RT9226

RT922 : The RT922 device is a rail-to-rail dual BiCMOS operational amplifier optimized and fully specified for 3 V and 5 V operation. The device has high output currents which allow low-load impedances to be driven. Very low noise, low distortion, low offset, and a high output current capability make this device an excellent choice for aerospace and defense applications. The device is stable for capacitive loads up to 500 pF. October 2014 This is information on a product in full production. DocID026924 Rev 1 1/15 www.st.com Contents Contents RT922 1 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . . . . . . ..

RT9221 : The RT9221 integrates a PWM controller and two low-dropout linear regulators into a single chip. The PWM controller provides the CPU core voltage controlled by a 5-bit DAC and the linear section regulates power for GTL bus, clock driver or other circuits on motherboards. The PWM controller provides an adjustable Intel-compatible 1.3V~3.5V output voltage. The synchronous N-MOSFET driver with 200 KHz switching frequency optimizes the efficiency, device size, and cost built-in over–voltage and current-limiting protection prevent the CPU from damage. Power-good signal is sent when the core voltage is within ±10% of the setting point. The linear section is a low dropout regulator which drives l.

RT9221 : The RT9221 integrates a PWM controller and two low-dropout linear regulators into a single chip. The PWM controller provides the CPU core voltage controlled by a 5-bit DAC and the linear section regulates power for GTL bus, clock driver or other circuits on motherboards. The PWM controller provides an adjustable Intel-compatible 1.3V~3.5V output voltage. The synchronous N-MOSFET driver with 200 KHz switching frequency optimizes the efficiency, device size, and cost built-in over–voltage and current-limiting protection prevent the CPU from damage. Power-good signal is sent when the core voltage is within ±10% of the setting point. The linear section is a low dropout regulator which drives l.

RT9222 : The RT9222 integrates a PWM controller and two low-dropout linear regulators into a single chip. The PWM controller provides the CPU core voltage controlled by a 5-bit DAC and the linear section regulates power for GTL bus, clock driver or other circuits on motherboards. The PWM controller provides an adjustable Intel-compatible 1.3V~3.5V output voltage. The synchronous N-MOSFET driver with 200 KHz switching frequency optimizes the efficiency, device size, and cost built-in over–voltage and current-limiting protection prevent the CPU from damage. Power-good signal is sent when the core voltage is within ±10% of the setting point. The linear section is a low dropout regulator which drives low.

RT9223 : .

RT9224 : The RT9224 is a high speed switching controller designed for use in synchronous DC/DC buck converter for modern CPUs. The regulated output voltage is digitally programmable from 1.3V to 3.5V by a 5-bit DAC which provides initial accuracy of ±1%. The RT9224 drives two external N-Channel MOSFETs, providing high efficiency and eliminating the need for high cost P-Channel devices. It senses the output current across the on-resistance of the upper N-Channel MOSFET and provides an adjustable current limit without external sense resistor. RT9224 monitors the output voltage and provides the output signal for power-good and over-voltage protection. The switching controller drivers two N-MOSFETs at 20.

RT9224C : The RT9224C is a high speed switching controller designed for use in Synchronous DC/DC buck converter for modern CPUs. The regulated output voltage is digitally programmable from 1.075V to 1.85V by a 5-bit DAC which provides initial accuracy of ±1%. The RT9224C drives two external N-Channel MOSFETs, providing high efficiency and eliminating the need for high cost P-Channel devices. It senses the output current across the on-resistance of the N-Channel MOSFET and provides an adjustable current limit without external sense resistor. The RT9224C monitors the output voltage and provides the output signal for power-good and over-voltage protections. The switching frequency is 200kHz. The high swi.

RT9224E : The RT9224E is a high speed switching controller designed for use in Synchronous DC/DC buck converter for modern CPUs. The regulated output voltage is digitally programmable from 1.05V to 1.825V by a 5-bit DAC which provides initial accuracy of ±1%. The RT9224E drives two external N-Channel MOSFETs, providing high efficiency and eliminating the need for high cost P-Channel devices. It senses the output current across the on-resistance of the N-channel MOSFET and provides an adjustable current limit without external sense resistor. RT9224E monitors the output voltage and provides the output signal for power-good and over-voltage protections. The switching frequency is 200kHz. The high switchi.

RT9226B : The RT9226B is a low cost, high-efficiency voltage-mode PWM controller for motherboard power supply application. Synchronous N-Channel MOSFET driver, short-circuit protection, and soft start function are integrated in a single chip. A simple high power buck regulator with shutdown function can be implemented with minimum external components. The RT9226B provides current-limit protection by monitoring the voltage drop across N-Channel MOSFET in over current condition, therefore, eliminates the current sensing resistor and minimizes the efficiency loss. The soft start function reduces the stress on power supply and components in power on duration. The 200kHz operating frequency and high speed .

RT9227A : The RT9227A is a 3-in-one power controller optimized for high-performance microprocessor and computer applications. The IC integrates a synchronous buck PWM controller, a linear regulator and a linear controller as well as monitoring and protection functions into a 24-pin SOP package. The PWM controller regulates the microprocessor core voltage. The linear regulator provides power for the clock driver circuit and the linear controller regulates power for the GTL bus. The RT9227A features an Intel-compatible, TTL 5-bit programmable DAC that adjusts the core voltage from 2.1V to 3.5V in 0.1V increments and from 1.3V to 2.05V in 0.05V steps. The 5-bit DAC has a typical ±1% tolerance. The linear.

RT9228 : The RT9228 is a 3-in-one power controller optimized for high-performance microprocessor and computer applications. The IC integrates a synchronous buck PWM controller, a linear regulator, and a linear controller as well as monitoring and protection functions into a 24-pin SOP package. The PWM controller regulates the microprocessor core voltage. The linear regulator provides power for the clock driver circuit and the linear controller regulates power for the GTL bus. The RT9228 features an Intel-compatible, TTL 5-bit programmable DAC that adjusts the core voltage from 2.1V to 3.5V in 0.1V increments and from 1.3V to 2.05V in 0.05V steps. The 5-bit DAC has a typical ±1% tolerance. The linear .

RT9229 : w w w .d e e h s a t a . u t4 m o c www.DataSheet4U.com .