Datasheet

TPS54225
SLVSA15C –OCTOBER 2009– REVISED FEBRUARY 2011 www.ti.com
REVISION HISTORY
Changes from Original (October 2009) to Revision A Page
• Changed the device from Product Preview to Production .................................................................................................... 1
Changes from Revision A (October 2009) to Revision B Page
• Changed TPS54225PWPR tape and reel quantity From: 3000 To: 2000 ............................................................................ 2
• Added V
CC
, V
IN
= 12V to the conditions statement in the Electrical Characteristics table ................................................... 3
• Added Note 1 to Table 1 ..................................................................................................................................................... 13
Changes from Revision B (October 2010) to Revision C Page
• Changed –45°C to 85°C to –40°C to 85°C in Ordering Information ..................................................................................... 2
• Deleted quantity from Transport Media column .................................................................................................................... 2
• Added Thermal Information table ......................................................................................................................................... 2
• Added I
O
row to the ROC table ............................................................................................................................................. 3
• Changed Functional Block Diagram ..................................................................................................................................... 6
• Changed TPS54326 to TPS54225 in PWM Frequency and Adaptive On-Time Control section ......................................... 7
• Changed Power Good section text ....................................................................................................................................... 7
• Changed Current Protection section text .............................................................................................................................. 7
• Changed TPS54326 to TPS54225 ....................................................................................................................................... 8
• Changed Design Guide information .................................................................................................................................... 12
• Changed C4 values in Table 1 ........................................................................................................................................... 13
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Product Folder Link(s): TPS54225