34704_11 Datasheet, PDF (53/54 Pages) Freescale Semiconductor, Inc – Multiple Channel DC-DC Power Management IC

REVISION DATE
2.0
4/2008
3.0
6/2008
4.0
6/2009
5.0
1/2010
REVISION HISTORY
REVISION HISTORY
DESCRIPTION OF CHANGES
• Initial Release
• Revised 34704 Simplified Application Diagram on page 1
• Revised 34704 Internal Block Diagram on page 3
• Revised 34704 Pin Definitions on page 4
• Revised 34704A Typical Application Diagram on page 49 and 34704B Typical Application Diagram
on page 49
• Updated category from Advance Information to Technical Data.
• Added Max I²C Speed as 400kHz to dynamic electrical characteristics table
• Added Device Physical address to dynamic electrical characteristics table.
• Added register Definition summary table
• Changed REG7 name definition on Functional Description table to "Inverter boost"
• Added efficiency Plots
• Clarified GrpC and E Shutdown Sequence
• Clarified REG8 Voltage/Current Regulation Mode on feature list.
• Clarified Pulse Skipping operation.
• Added minimum Fine Scaling value at 40%
• Correted Register Vs Bit notation on I²C user interface section.
• Added I²C reading and writing Bit stream sequence example.
• Added ACCURATE Bit definition
• Revised Pin Definitions Table for Pins 3, 11, 35, 40, 46 and 53
• Removed Li-ion battery references throughout document.
• Added Feedback Reference Voltage and Feedback Reference Voltage on Current Regulation
Mode to Table 4.
Analog Integrated Circuit Device Data
Freescale Semiconductor
34704
53