ACT6330
Rev0, 02-Apr-08
www.
DataSheet4U.
com
Dual PWM Step-Up DC/DCs in TQFN33 FEATURES
• Multiple Patents Pending • Two Integrated
Regulators
− PWM Step-Up DC/DC with OVP for WLED Bias − PWM Step-Up DC/DC Converter with OVP
GENERAL DESCRIPTION
The patent-pending ACT6330 integrates two stepup DC/DC into a single, thin, space-saving package to provide a cost-effective, highly-efficient ActivePMUTM power management solution.
This device is ideal for a wide range of portable handheld equipment that can benefit from the advantages of ActivePMU technology but does not require a high level of integration.
REG1 and REG2 are fixed-frequency, current mode PWM step-up DC/DC converter.
REG1 is optimi...