Datasheet

TPS61220, TPS61221, TPS61222
SLVS776A –JANUARY 2009–REVISED APRIL 2014 www.ti.com
Table of Contents
10.1 Application Information.......................................... 13
1 Features.................................................................. 1
10.2 Typical Applications .............................................. 13
2 Applications ........................................................... 1
11 Power Supply Recommendations ..................... 17
3 Description ............................................................. 1
11.1 Typical Power Sources ......................................... 17
4 Simplified Schematic............................................. 1
11.2 Input Voltage Effects On Output Current and
5 Revision History..................................................... 2
Efficiency.................................................................. 17
6 Pin Configuration and Functions......................... 3
11.3 Behavior While Disabled....................................... 17
7 Specifications......................................................... 3
11.4 Startup................................................................... 17
7.1 Absolute Maximum Ratings ...................................... 3
12 Layout................................................................... 18
7.2 Handling Ratings....................................................... 3
12.1 Layout Guidelines ................................................. 18
7.3 Recommended Operating Conditions....................... 4
12.2 Layout Example .................................................... 18
7.4 Thermal Information .................................................. 4
13 Device and Documentation Support ................. 19
7.5 Electrical Characteristics........................................... 4
13.1 Device Support...................................................... 19
7.6 Typical Characteristics .............................................. 5
13.2 Related Documentation ....................................... 19
8 Parameter Measurement Information ................ 10
13.3 Related Links ........................................................ 19
9 Detailed Description ............................................ 11
13.4 Trademarks........................................................... 19
9.1 Overview ................................................................. 11
13.5 Electrostatic Discharge Caution............................ 19
9.2 Functional Block Diagrams ..................................... 11
13.6 Glossary................................................................ 19
9.3 Feature Description................................................. 11
14 Mechanical, Packaging, and Orderable
9.4 Device Functional Modes........................................ 12
Information ........................................................... 20
10 Applications and Implementation...................... 13
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision Original (August 2009) to Revision A Page
• Updated data sheet format..................................................................................................................................................... 1
• Changed the data sheet title From: LOW INPUT VOLTAGE STEP-UP CONVERTER IN 6 PIN SC-70 PACKAGE
To: TPS6122x LOW INPUT VOLTAGE, 0.7V BOOST CONVERTER WITH 5.5μA QUIESCENT CURRENT ..................... 1
• Changed Feature bullet and Simplified Schematic text from "....1.8 V to 5.5 V" to "....1.8 V to 6 V"..................................... 1
• Deleted "machine model" ESD rating because JEDEC discontinued its use in 2012. ......................................................... 3
• Changed Overvoltage protect threshold min and V
OUT
max levels from 5.5V to 6V.............................................................. 4
• Changed Adjustable output voltage version description text string from "....output voltage is 5.5 V" to " ....output
voltage is 6.0 V".................................................................................................................................................................... 15
• Changed Layout diagram to correct typo in resistor numbers. ............................................................................................ 18
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