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TPS61099 Datasheet Preview

TPS61099 Datasheet

Synchronous Boost Converter

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TPS61099
SLVSD88K – JULY 2016 – REVISED MAY 2018
TPS61099x Synchronous Boost Converter with Ultra-Low Quiescent Current
1 Features
1 600 nA Ultra-Low IQ into VOUT Pin
• 400 nA Ultra-Low IQ into VIN Pin
• Operating Input Voltage from 0.7 V to 5.5 V
• Adjustable Output Voltage from 1.8 V to 5.5 V
• Fixed Output Voltage Versions Available
• Minimum 0.8 A Switch Peak Current Limit
• Regulated Output Voltage in Down Mode
• True Disconnection During Shutdown
• Up to 75% Efficiency at 10 µA Load with Fixed
Output Voltage Versions
• Up to 93% Efficiency from 10 mA to 300 mA Load
• 6-Ball 1.23 mm x 0.88 mm WCSP package and 2-
mm x 2-mm WSON package
• Create a Custom Design Using the TPS61099x
With the WEBENCH® Power Designer
2 Applications
• Memory LCD Bias
• Optical Heart Rate Monitor LED Bias
• Wearable Applications
• Low Power Wireless Applications
• Portable Products
• Battery Powered Systems
3 Description
The TPS61099x device is a synchronous boost
converter with 1-µA ultra-low quiescent current. The
device is designed for products powered by an
alkaline battery, NiMH rechargeable battery, Li-Mn
battery or rechargeable Li-Ion battery, for which high
efficiency under light load condition is critical to
achieve long battery life operation.
The TPS61099x boost converter uses a hysteretic
control topology to obtain maximal efficiency at
minimal quiescent current. It only consumes 1-µA
quiescent current under light load condition and can
achieve up to 75% efficiency at 10-µA load with fixed
output voltage version. It can also support up to 300-
mA output current from 3.3 V to 5 V conversion, and
achieve up to 93% at 200-mA load.
The TPS61099x also offers both Down Mode and
Pass-Through operations for different applications. In
Down Mode, the output voltage can still be regulated
at target value even when input voltage is higher than
output voltage. In Pass-Through Mode, the output
voltage follows input voltage. The TPS61099x exits
Down Mode and enters into Pass-Through Mode
when VIN > VOUT + 0.5 V.
The TPS61099x supports true shutdown function
when it is disabled, which disconnects the load from
the input supply to reduce the current consumption.
The TPS61099x offers both adjustable output voltage
version and fixed output voltage versions. It is
available in 6-ball 1.23-mm x 0.88-mm WCSP
Package and 6-pin 2-mm x 2-mm WSON package .
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPS61099
TPS61099x
WCSP (6)
1.23 mm x 0.88 mm
TPS61099
TPS61099x
WSON(6)
2 mm x 2 mm
(1) For all available packages, see the orderable addendum at
the end of this document.
Typical Application Circuit
VIN
0.7 V to 5.5 V
C1
10 µF
L1
2.2 µH
SW
VOUT
VIN TPS61099 FB
EN
GND
1.8 V to 5.5 V
VOUT
R1 C2 C3
10 µF 10 µF
R2
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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TPS61099 Datasheet Preview

TPS61099 Datasheet

Synchronous Boost Converter

No Preview Available !

TPS61099
SLVSD88K – JULY 2016 – REVISED MAY 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Device Comparison Table..................................... 4
6 Pin Configuration and Functions ......................... 4
7 Specifications......................................................... 5
7.1 Absolute Maximum Ratings ...................................... 5
7.2 ESD Ratings.............................................................. 5
7.3 Recommended Operating Conditions....................... 5
7.4 Thermal Information .................................................. 5
7.5 Electrical Characteristics........................................... 6
7.6 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 11
8.3 Feature Description................................................. 11
8.4 Device Functional Modes........................................ 14
9 Application and Implementation ........................ 15
9.1 Application Information............................................ 15
9.2 Typical Application - 5 V Output Boost Converter .. 15
10 Power Supply Recommendations ..................... 19
11 Layout................................................................... 20
11.1 Layout Guidelines ................................................. 20
11.2 Layout Example .................................................... 20
12 Device and Documentation Support ................. 22
12.1 Device Support...................................................... 22
12.2 Documentation Support ........................................ 22
12.3 Receiving Notification of Documentation Updates 22
12.4 Community Resources.......................................... 22
12.5 Trademarks ........................................................... 23
12.6 Electrostatic Discharge Caution ............................ 23
12.7 Glossary ................................................................ 23
13 Mechanical, Packaging, and Orderable
Information ........................................................... 23
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision J (October 2017) to Revision K
Page
• Added Load Efficiency graph for TPS610995 device ............................................................................................................ 8
Changes from Revision I (September 2017) to Revision J
Page
• Changed from +0.3 V to +0.5 V in Description section .......................................................................................................... 1
• Changed graph image for Figure 7 ........................................................................................................................................ 8
• Changed from +0.3 V to +0.5 V in fourth paragraph of Down Mode Regulation and Pass-Through Operation section ..... 13
• Changed Image for Figure 20 ............................................................................................................................................. 14
Changes from Revision H (July 2017) to Revision I
Page
• Added devices to the Device Comparison Table and added graphs to Typical Characteristics section. .............................. 4
Changes from Revision G (July 2017) to Revision H
Page
• Changed TPS610994 Output accuracy typical value from 3.33 to 3.4 for "VIN < VOUT, PFM mode" in the Electrical
Characteristics table. .............................................................................................................................................................. 6
• Changed TPS610993 Output accuracy typical value from 3.03 to 3.1 for "VIN < VOUT, PFM mode" in the Electrical
Characteristics table. .............................................................................................................................................................. 6
Changes from Revision F (June 2017) to Revision G
Page
• Added TPS610993 device Output accuracy specs. to Electrical Characteristics table ........................................................ 6
2
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Product Folder Links: TPS61099
Copyright © 2016–2018, Texas Instruments Incorporated



Part Number TPS61099
Description Synchronous Boost Converter
Maker etcTI
Total Page 3 Pages
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TPS61099 Datasheet PDF





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