TLV61224 Converter Datasheet

TLV61224 Datasheet, PDF, Equivalent


Part Number

TLV61224

Description

Single-Cell High-Efficient Step-Up Converter

Manufacture

etcTI

Total Page 22 Pages
Datasheet
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TLV61224
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TLV61224
SLVSAM7A – MARCH 2011 – REVISED MAY 2015
TLV61224 Single-Cell, High-Efficient, Step-Up Converter in 6-Pin SC-70 Package
1 Features
1 Up to 94% Efficiency at Typical Operating
Conditions
• 5-μA Quiescent Current
• Operating Input Voltage From 0.7 V to 3 V
• Pass-Through Function During Shutdown
• Output Current of More Than 40 mA From a 1.2-V
Input
• Typical Switch Current Rating 400 mA
• Output Overvoltage Protection
• Overtemperature Protection
• Fixed 3-V Output Voltage
• Small 6-Pin SC-70 Package
2 Applications
• Battery Powered Applications
– 1- to 2-Cell NiMH or Alkaline
– 1-Cell Li-Primary
• Consumer and Portable Medical Products
• Personal Care Products
3 Description
The TLV61224 device provides a power-supply
solution for products powered by either a single-cell
or 2-cell alkaline or NiMH, or 1-cell Li-primary battery.
Possible output currents depend on the input-to-
output voltage ratio. The boost converter is based on
a hysteretic controller topology using synchronous
rectification to obtain maximum efficiency at minimal
quiescent currents. The output voltage of this device
is set internally to a fixed output voltage of 3 V. The
converter can be switched off by a featured enable
pin. While being switched off, battery drain is
minimized. The device is offered in a 6-pin SC-70
package (DCK) measuring 2 mm × 2 mm to enable
small circuit layout size.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TLV61224
SOT (6)
2.00 mm × 1.25 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
VIN
0.8 V to VOUT
Typical Application Schematic
L1
4.7 µH
L
VOUT
C1
10 µF
VIN
EN
GND
FB
VOUT
C2 3.0 V
10 µF
TLV61224
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.

TLV61224
TLV61224
SLVSAM7A – MARCH 2011 – REVISED MAY 2015
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................................................... 8
7.4 Device Functional Modes.......................................... 9
8 Application and Implementation ........................ 10
8.1 Application Information............................................ 10
8.2 Typical Application ................................................. 10
9 Power Supply Recommendations...................... 13
10 Layout................................................................... 13
10.1 Layout Guidelines ................................................. 13
10.2 Layout Example .................................................... 13
10.3 Thermal Considerations ........................................ 14
11 Device and Documentation Support ................. 15
11.1 Device Support...................................................... 15
11.2 Documentation Support ........................................ 15
11.3 Community Resource............................................ 15
11.4 Trademarks ........................................................... 15
11.5 Electrostatic Discharge Caution ............................ 15
11.6 Glossary ................................................................ 15
12 Mechanical, Packaging, and Orderable
Information ........................................................... 15
4 Revision History
Changes from Original (March 2011) to Revision A
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 1
2 Submit Documentation Feedback
Product Folder Links: TLV61224
Copyright © 2011–2015, Texas Instruments Incorporated


Features Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TLV61224 SLVSAM7A – MARCH 2011 – REVISED MAY 2015 TLV61224 Sing le-Cell, High-Efficient, Step-Up Conver ter in 6-Pin SC-70 Package 1 Features •1 Up to 94% Efficiency at Typical Op erating Conditions • 5-μA Quiescent Current • Operating Input Voltage Fro m 0.7 V to 3 V • Pass-Through Functio n During Shutdown • Output Current of More Than 40 mA From a 1.2-V Input • Typical Switch Current Rating 400 mA Output Overvoltage Protection • Ov ertemperature Protection • Fixed 3-V Output Voltage • Small 6-Pin SC-70 Pa ckage 2 Applications • Battery Powere d Applications – 1- to 2-Cell NiMH or Alkaline – 1-Cell Li-Primary • Con sumer and Portable Medical Products • Personal Care Products 3 Description The TLV61224 device provides a power-su pply solution for products powered by e ither a single-cell or 2-cell alkaline or NiMH, or 1-cell Li-primary battery. Possible output currents depend on the input-tooutput volta.
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