3.0 A Switch-Mode Power Supply with Linear Regulator

The 33702 provides the means to efficiently supply the Power QUICC™ I, II, and other families of Motorola microprocessors and DSPs. The 33702 incorporates a high-performance switching regulator, providing the direct
supply for the microprocessor’s core, and a low dropout (LDO) linear regulator control circuit providing the microprocessor I/O and bus voltage.

FEATUREs
• Operating Voltage: 2.8 V to 6.0 V
• High-Accuracy Output Voltages
• Fast Transient Response
• Switcher Output Current Up to 3.0 A
• Undervoltage Lockout
• Power Sequencing
• Programmable Watchdog Timer
• Voltage Margining via I2C™ Bus
• Overcurrent Protection
• Reset with Programmable Power-ON Delay
• Enable Inputs
I2C is a trademark of Phillips Corporation.