Datasheet

TPS2552, TPS2553
TPS2552-1, TPS2553-1
www.ti.com SLVS841E –NOVEMBER 2008– REVISED FEBRUARY 2012
REVISION HISTORY
Changes from Original (November 2008) to Revision A Page
• Changed Title from: ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES To: PRECISION
ADJUSTABLE CURRENT-LIMITED POWER-DISTRIBUTION SWITCHES ....................................................................... 1
Changes from Revision A (December 2008) to Revision B Page
• Added To Features - UL Listed – File No. E169910 ............................................................................................................ 1
• Changed Figure 22 Ttitle From: Current Limit Threshold Vs R
ILM
...................................................................................... 10
• Changed Figure 23 Ttitle From: Current Limit Threshold Vs R
ILM
...................................................................................... 10
Changes from Revision B (February 2009) to Revision C Page
• Added Feature - Up to 1.5 A Maximum Load Current .......................................................................................................... 1
• Changed 1.3 A (typ) To: 1.7 A (typ) ..................................................................................................................................... 1
• Added Text - and provide up to 1.5 A of continuous load current ........................................................................................ 1
• Changed From 1.2A to 1.5A ................................................................................................................................................. 3
• Changed I
OUT
values for 1.2A and 1.5A ............................................................................................................................... 4
• Changed T
J
values for 1.2A and 1.5A .................................................................................................................................. 4
• Added R
ILIM
= 15 kΩ option ................................................................................................................................................... 4
• Changed From: 19.1 kΩ ≤ R
ILIM
≤ 232 kΩ To: 15 kΩ ≤ R
ILIM
≤ 232 kΩ. ............................................................................... 6
• Changed Text From: current-limit threshold between 75 mA and 1.3 A (typ) To: current-limit threshold between 75
mA and 1.7 A (typ) .............................................................................................................................................................. 12
• Changed Text From: The recommended 1% resistor range for R
ILIM
is 19.1 kΩ ≤ R
ILIM
≤ 232 kΩ to ensure stability
To: The recommended 1% resistor range for R
ILIM
is 15 kΩ ≤ R
ILIM
≤ 232 kΩ to ensure stability ...................................... 14
• Changed From: where 19.1 kΩ ≤ R
ILIM
≤ 232 kΩ. To: where 15 kΩ ≤ R
ILIM
≤ 232 kΩ. ...................................................... 14
• Changed Figure 24 - Current-Limit Threshold vs R
ILIM
....................................................................................................... 15
• Changed Table 1 - added rows for Current Limit of 1400 to 1700 ..................................................................................... 17
Changes from Revision C (September 2009) to Revision D Page
• Changed From: Fast Overcurrent Response - 2-μS (typ) To: Fast Overcurrent Response - 2-μs (typ) in the Features ..... 1
• Added text To Feature - UL Listed "and NEMKO IEC60950-1-am1 ed2.0" ......................................................................... 1
• Added Features Item "See the TI Switch Portfoilo" .............................................................................................................. 1
• Changed the DEVICE INFORMATION table, and Deleted Note 3 ...................................................................................... 3
• Added ESD-system level (contact/air) to the ABS MAX table, and Added Note 3 ............................................................... 3
• Added text to the REVERSE-VOLTAGE PROTECTION section: "A reverse.....when this occurs." .................................. 12
Changes from Revision D (June 2011) to Revision E Page
• Changed V
EN
to V
EN
in RECOMMENDED OPERATING CONDITIONS .............................................................................. 4
• Changed V
EN
to V
EN
in RECOMMENDED OPERATING CONDITIONS .............................................................................. 4
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Product Folder Link(s): TPS2552 TPS2553 TPS2552-1 TPS2553-1