TPS54294_15 Datasheet, PDF (19/30 Pages) Texas Instruments – 2A Dual Channel Synchronous Step-Down Switcher with Integrated FET

TPS54294
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SLVSB00D – OCTOBER 2011 – REVISED SEPTEMBER 2013
REVISION HISTORY
NOTE: Page numbers of current version may differ from previous versions.
Changes from Original (October 2011) to Revision A
Page
• Added input voltage range for VFB1, VFB2 to Absolute Maximum Ratings ........................................................................ 2
• Added input voltage range for VFB1, VFB2 to Recommended Operating Conditions ......................................................... 3
• Added indication for not production tested parameters. ....................................................................................................... 3
• Added indication for not production tested parameters. ....................................................................................................... 4
• Added Over/Under Voltage Protection Description .............................................................................................................. 8
Changes from Revision A (November 2011) to Revision B
Page
• Deleted V_REG5 MIN and MAX values ..................................................................................................................................... 3
• Deleted Line and Load regulation specs from VREG5 specification .................................................................................... 3
• Added "Specified by design. Not production tested" annotation to MOSFETs specification ................................................ 3
• Deleted MIN and MAX values from V_UVREG5 specification .................................................................................................... 4
Changes from Revision B (December 2011) to Revision C
Page
• Removed ( SWIFT™) from the data sheet title .................................................................................................................... 1
• Added 16-pin VQFN package to Features and Description ................................................................................................. 1
• Added RSA pinout image, pin names and functions to Device Info Section ........................................................................ 5
• Changed TPS54295, 2 places to TPS54294 in Over/Under Voltage protection section ..................................................... 8
• Added RSA-package board layout, .................................................................................................................................... 18
Changes from Revision C (April 2013) to Revision D
Page
• Deleted T_A = 25°C from the ELECTRICAL CHARACTERISTICS Conditions column ......................................................... 3
• Changed VIN supply current Max value From: 2000 µA To: 2500 µA ................................................................................. 3
• Changed VIN shutdown current Max value From: 150 µA To: 200 µA ................................................................................ 3
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