DescriptionThe LD49300 is a high-bandwidth, low-dropout, 3.0A voltage regulator, ideal for powering core voltages of low-power microprocessors. The LD49300 implements a dual supply configuration allowing for very low output impedance and very fast transient response. The LD49300 requires a bias input supply and a main input supply, allowing for ultra-low input voltages on the main supply rail. The input supply operates from 1.4V to 5.5V and the bias supply requires between 3V and 6V for proper operation. The LD49300 offers fixed output voltages from 0.8V to 1.8V and adjustable output voltages down to 0.8V.The LD49300 requires a minimum output capacitance for stability, and work optimally with Applications Graphics processors PC Add-In Cards Microprocessor core voltage supply Low voltage digital ICs High Efficiency Linear power suppliesSMPS post regulatorswww.st.comPPAKOrder code Part numberPackagePackagingLD49300PT08R (1)1.Adjustable Version.PPAK (Tape&Reel)2500 parts per reelLD49300PT Feature summaryInput voltage range:VI = 1.4V to 5.5VVBIAS = 3V to 6VStable with ceramic capacitor1.5% initial toleranceMaximum dropout voltage (VI - VO) of 400mV over temperature Adjustable output voltage down to 0.8V Ultra fast transient response (up to 10MHz bandwidth) Excellent line and load regulation specifications Logic controlled shutdown optionThermal shutdown and current limit protectionJunction temperature range: 25C to 125CDescriptionThe LD49300 is a high-bandwidth, low-dropout, 3.0A voltage regulator, ideal for powering core voltages of low-power microprocessors. The LD49300 implements a dual supply configuration allowing for very low output impedance and very fast transient response. The LD49300 requires a bias input supply and a main input supply, allowing for ultra-low input voltages on the main supply rail. The input supply operates from 1.4V to 5.5V and the bias supply requires between 3V and 6V for proper operation. The LD49300 offers fixed output voltages from 0.8V t specifications Logic controlled shutdown o