LT1939EDD#TRPBF

PMIC - Voltage Regulators - Linear + Switching

The LT1939EDD#TRPBF is a high-performance voltage regulator designed to operate in both Linear and Switching application fields. It provides a wide range of output voltages and is capable of delivering up to 150mA in switched mode and up to 100mA in linear mode. The device includes a wide-frequency oscillator, two-stage Charge Pump, and a bias generator, allowing it to operate in both linear and switching modes.

Operating Voltages

The LT1939EDD#TRPBF operates over a wide input voltage range of 3.1V to 17V, making it suitable for a variety of applications. The output voltage range is between 0.7V to 10V, allowing for a wide range of output voltages to meet various operational needs.

Charge Pump

The LT1939EDD#TRPBF includes an onboard two-stage charge pump that allows it to deliver more power than a linear regulator and also allows for faster transient response times. The charge pump ensures that the voltage regulators operates efficiently and reduces the amount of ripple on the output voltage.

Wide Frequency Oscillator

The LT1939EDD#TRPBF includes a wide frequency oscillator that allows it to operate up to 1MHz in switching mode and up to 500kHz in Linear mode. This oscillator provides a wide range of frequencies that enables the regulator to operate faster and provides more flexibility for different applications.

Bias Generator

The LT1939EDD#TRPBF has an onboard bias generator that enables it to operate in linear mode. The bias generator allows the device to operate with low quiescent current and provides voltage regulation even at low load currents. The bias generator also allows the device to operate at higher temperatures compared to other linear regulators.

Conclusion

The LT1939EDD#TRPBF is a versatile voltage regulator that is capable of operating in both linear and switching mode fields. It provides a wide range of output voltages, a wide-frequency oscillator, two-stage Charge Pump, and a bias generator, making it suitable for a variety of applications.