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TLV61046A Datasheet Preview

TLV61046A Datasheet

28-V Output Voltage Boost Converter

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TLV61046A
SLVSD82A – APRIL 2017 – REVISED APRIL 2017
TLV61046A 28-V Output Voltage Boost Converter with Power Diode and Isolation Switch
1 Features
1 Input Voltage Range: 1.8 V to 5.5 V, down to 1.6
V after Startup
• Output Voltage Up to 28 V
• Integrated Power Diode and Isolation Switch
• 980-mA (typical) Switch Current
• Up to 85% Efficiency at 3.6-V Input and 12-V
Output
• ±2.5% Output Voltage Accuracy
• Power Save Operation Mode at Light Load
• Internal 7-ms Soft Start Time
• True Disconnection between Input and Output
during Shutdown
• Output Short Circuit Protection
• Output Over-Voltage Protection
• Thermal Shutdown Protection
• 3-mm × 3-mm SOT23-6 Package
2 Applications
• PMOLED Power Supply
• LCD Panel
• Wearable Devices
• Portable Medical Equipment
• Sensor Power Supply
3 Description
The TLV61046A is a highly integrated boost
converter designed for applications such as PMOLED
panel, LCD bias supply and sensor module. The
TLV61046A integrates a 30-V power switch, an input
to output isolation switch, and a rectifier diode. It can
output up to 28 V from input of a Li+ battery or two
alkaline batteries in series.
The TLV61046A operates with a switching frequency
at 1.0 MHz. This allows the use of small external
components. The TLV61046A has an internal default
12-V output voltage setting by connecting the FB pin
to the VIN pin. Thus it only needs three external
components to get 12-V output voltage. The
TLV61046A has typical 980-mA switch current limit. It
has 7-ms built-in soft start time to reduce the inrush
current. When the TLV61046A is in shutdown mode,
the isolation switch disconnects the output from input
to minimize the leakage current. The TLV61046A also
implements output short circuit protection, output
over-voltage protection and thermal shutdown.
The TLV61046A is available in a 6-pin 3-mm x 3-mm
SOT23-6 package.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TLV61046A
SOT23-6 (6)
2.9 mm x 1.6 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
1.8 V ~ 5.5 V
Simplified Schematic
L1
C1
OFF
ON
VIN
GND
EN
SW
VOUT
FB
4.5 V ~ 28 V
C2
R1
R2
Copyright © 2017, 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.




etcTI

TLV61046A Datasheet Preview

TLV61046A Datasheet

28-V Output Voltage Boost Converter

No Preview Available !

TLV61046A
SLVSD82A – APRIL 2017 – REVISED APRIL 2017
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings ............................................................ 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 6
7 Detailed Description .............................................. 8
7.1 Overview ................................................................... 8
7.2 Functional Block Diagram ......................................... 8
7.3 Feature Description................................................... 9
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 11
8.1 Application Information............................................ 11
8.2 Typical Application - 12-V Output Boost Converter 11
8.3 System Examples ................................................... 15
9 Power Supply Recommendations...................... 16
10 Layout................................................................... 17
10.1 Layout Guidelines ................................................. 17
10.2 Layout Example .................................................... 17
11 Device and Documentation Support ................. 18
11.1 Device Support .................................................... 18
11.2 Receiving Notification of Documentation Updates 18
11.3 Community Resources.......................................... 18
11.4 Trademarks ........................................................... 18
11.5 Electrostatic Discharge Caution ............................ 18
11.6 Glossary ................................................................ 18
12 Mechanical, Packaging, and Orderable
Information ........................................................... 18
4 Revision History
Changes from Original (April 2017) to Revision A
Page
• Changed to Production Data .................................................................................................................................................. 1
2 Submit Documentation Feedback
Product Folder Links: TLV61046A
Copyright © 2017, Texas Instruments Incorporated


Part Number TLV61046A
Description 28-V Output Voltage Boost Converter
Maker etcTI
Total Page 26 Pages
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