A power management system for an RF power amplifier comprising: an amplifier circuit including a supply input configured to receive a direct current input voltage (24, 30) and an amplifier in communication with a power amplifier supply voltage (Vcc); and a multi-level charge pump buck converter including: a supply input configured to receive the direct current input voltage (24, 30), a switching voltage output in communication with the power amplifier supply voltage (Vcc), and a boost charge pump circuit, wherein: when the multi-level charge pump buck converter is in a first operational state the boost charge pump circuit is in a charging mode and is configured to provide the direct current input voltage to the switching voltage output which is shunted to ground by coupling the switching voltage output to ground, when the multi-level charge pump buck converter is in a second operational state the boost charge pump circuit is in the charging mode and is configured to provide the direct current input voltage to the switching voltage output, when the multi-level charge pump buck converter is in a third operational state the boost charge pump circuit is in a first boost mode and is configured to provide 1.5 times the direct current input voltage to the switching voltage output, and when the multi-level charge pump buck converter is in a fourth operational state the boost charge pump circuit is in a second boost mode and is configured to provide 2 times the direct current input voltage to the switching voltage output. an amplifier circuit including a supply input configured to receive a direct current input voltage (24, 30) and an amplifier in communication with a power amplifier supply voltage (Vcc); and a multi-level charge pump buck converter including: a supply input configured to receive the direct current input voltage (24, 30), a switching voltage output in communication with the power amplifier supply voltage (Vcc), and a boost charge pump circuit, wherein: when the multi-level charge pump buck converter is in a first operational state the boost charge pump circuit is in a charging mode and is configured to provide the direct current input voltage to the switching voltage output which is shunted to ground by coupling the switching voltage output to ground, when the multi-level charge pump buck converter is in a second operational state the boost charge pump circuit is in the charging mode and is configured to provide the direct current input voltage to the switching voltage output, when the multi-level charge pump buck converter is in a third operational state the boost charge pump circuit is in a first boost mode and is configured to provide 1.5 times the direct current input voltage to the switching voltage output, and when the multi-level charge pump buck converter is in a fourth operational state the boost charge pump circuit is in a second boost mode and is configured to provide 2 times the direct current input voltage to the switching voltage output. a supply input configured to receive the direct current input voltage (24, 30), a switching voltage output in communication with the power amplifier supply voltage (Vcc), and a boost charge pump circuit, when the multi-level charge pump buck converter is in a first operational state the boost charge pump circuit is in a charging mode and is configured to provide the direct current input voltage to the switching voltage output which is shunted to ground by coupling the switching voltage output to ground, when the multi-level charge pump buck converter is in a second operational state the boost charge pump circuit is in the charging mode and is configured to provide the direct current input voltage to the switching voltage output, when the multi-level charge pump buck converter is in a third operational state the boost charge pump circuit is in a first boost mode and is configured to provide 1.5 times the direct current input voltage to the switching voltage output, and when the multi-level charge pump buck converter is in a fourth operational state the boost charge pump circuit is in a second boost mode and is configured to provide 2 times the direct current input voltage to the switching voltage output.