PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER WITH 1.5V / 2.5V DUAL LOW DROPOUT LINEAR REGULATOR CONTROLLER

[Richtek] General Description 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 motherbo

Dual E2POT??Nonvolatile Digital Potentiometer

DESCRIPTION The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit. FEATURES • Two E2POTs in One Package • Two-Wire Serial Interface • Register Oriented Format —Directly Write Wiper Position —Read Wiper Position —S

Dual E2POT??Nonvolatile Digital Potentiometer

DESCRIPTION The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit. FEATURES • Two E2POTs in One Package • Two-Wire Serial Interface • Register Oriented Format —Directly Write Wiper Position —Read Wiper Position —S

Dual E2POT??Nonvolatile Digital Potentiometer

DESCRIPTION The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit. FEATURES • Two E2POTs in One Package • Two-Wire Serial Interface • Register Oriented Format —Directly Write Wiper Position —Read Wiper Position —S

Dual E2POT??Nonvolatile Digital Potentiometer

DESCRIPTION The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit. FEATURES • Two E2POTs in One Package • Two-Wire Serial Interface • Register Oriented Format —Directly Write Wiper Position —Read Wiper Position —S

Dual E2POT??Nonvolatile Digital Potentiometer

DESCRIPTION The X9221 integrates two nonvolatile E2POT™ digitally controlled potentiometers on a monolithic CMOS microcircuit. FEATURES • Two E2POTs in One Package • Two-Wire Serial Interface • Register Oriented Format —Directly Write Wiper Position —Read Wiper Position —S