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Output Current (A)

Efficiency (%)

1E-5 0.0001 0.001 0.01 0.1 1 2

100

D002

= 2.8 V

= 3.6 V

= 4.2 V

TLV62080

1 µH

10 µF

2.5 V to 5.5 V

POWER GOOD

VOS

VIN

GND

22 µF

180 kΩ

OUT

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TLV62080, TLV62084

SLVSAK9E –OCTOBER 2011–REVISED FEBRUARY 2014

TLV6208x 1.2-A and 2-A High-Efficiency Step-Down Converter in 2-mm × 2-mm SON

Package

1 Features 3 Description

The TLV62080 and TLV62084 devices are low cost

• DCS-Control™ Architecture for Fast Transient

buck converters in small size with less external

Regulation

components. They are synchronous step-down

• 2.5 to 5.5-V Input Voltage Range (TLV62080)

converters with an input voltage range of 2.5 and 2.7

• 2.7 to 5.5-V Input Voltage Range (TLV62084)

(2.5 V for TLV62080, 2.7 V for TLV62084) to 5.5 V.

The TLV6208x device focuses on high-efficiency

• 100% Duty Cycle for Lowest Dropout

step-down conversion over a wide output current

• Power Save Mode for Light Load Efficiency

range. At medium to heavy loads, the TLV6208x

• Output Discharge Function

converter operates in PWM mode and automatically

enters power save mode operation at light-load

• Power Good Output

currents to maintain high efficiency over the entire

• Thermal Shutdown

load current range.

• Available in 2 mm × 2 mm 8-Terminal SON

To address the requirements of system power rails,

Package

the internal compensation circuit allows a large

• For Improved Features Set, See the TPS62080

selection of external output capacitor values ranging

datasheet (SLVSAE8)

from 10-µF up to 100-uF effective capacitance. With

the DCS-Control™ (Direct Control with Seamless

2 Applications

transition into power save mode) architecture

excellent load transient performance and output

• Battery-Powered Portable Devices

voltage regulation accuracy are achieved. The device

• Point-of-Load Regulators

is available in 2-mm × 2-mm SON package with

• System Power Rail Voltage Conversion

Thermal Pad.

Device Information

ORDER NUMBER PACKAGE BODY SIZE

TLV62080DSGR WSON (8) 2,00 mm × 2,00 mm

TLV62080DSGT WSON (8) 2,00 mm × 2,00 mm

TLV62084DSGR WSON (8) 2,00 mm × 2,00 mm

TLV62084DSGT WSON (8) 2,00 mm × 2,00 mm

4 Typical Application

Efficiency vs Load Current

OUT

= 1.2 V

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. UNLESS OTHERWISE NOTED, this document contains PRODUCTION

DATA.

Summary of content (26 pages)

PAGE 1
Sample & Buy Product Folder Support & Community Tools & Software Technical Documents TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 TLV6208x 1.2-A and 2-A High-Efficiency Step-Down Converter in 2-mm × 2-mm SON Package 1 Features 3 Description • The TLV62080 and TLV62084 devices are low cost buck converters in small size with less external components. They are synchronous step-down converters with an input voltage range of 2.5 and 2.7 (2.5 V for TLV62080, 2.
PAGE 2
TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com Table of Contents 1 2 3 4 5 6 7 8 Features ................................................................. Applications .......................................................... Description ............................................................ Typical Application ............................................... Revision History ................................................... Terminal Configurations and Functions .
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 Changes from Revision B (July 2012) to Revision C • Page Changed the Thermal Information table values .................................................................................................................... 5 Changes from Revision A (November 2011) to Revision B Page • Changed QFN to SON in ORDERING INFORMATION .....................................................................................................
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com Device Comparison Table (1) PART NUMBER (1) INPUT VOLTAGE OUTPUT CURRENT TLV62080DSG 2.5 V to 5.5 V 1.2 A TLV62084DSG 2.7 V to 5.5 V 2A For detailed ordering information please check the Mechanical, Packaging, and Orderable Information section at the end of this datasheet.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) VIN, PG, VOS (2) Voltage range SW (2) (3) MIN MAX –0.3 7 V –0.3 VIN + 0.3 V FB (2) –0.3 3.6 V EN (2) –0.3 VIN + 0.3 V –40 150 °C Operating junction temperature range, TJ (1) (2) (3) UNIT Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com 7.5 Electrical Characteristics Over recommended free-air temperature range, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted), VIN= 3.6 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT SUPPLY VIN Input voltage range,TLV62080 2.5 5.5 VIN Input voltage range,TLV62084 2.7 5.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 7.6 Typical Characteristics Table 1. Table of Graphs FIGURE Load current, VOUT = 0.9 V Figure 1 Load current, VOUT = 1.2 V Figure 2 Load current, VOUT = 2.5 V Figure 3 Input Voltage, VOUT = 0.9 V Figure 4 Input Voltage, VOUT = 2.5 V Figure 5 Load current, VOUT = 0.9 V Figure 6 Load current, VOUT = 2.5 V Figure 7 Switching Frequency Load current, VOUT = 2.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com 0.92 2.54 0.912 Output Voltage (V) Output Voltage (V) 2.52 2.5 2.48 IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT IOUT 2.46 2.44 2.42 2.5 3 3.5 = = = = = = = = = 10 mA, TA = 25qC 1 A, TA = 25qC 2 A, TA = 25qC 10 mA, TA = 40qC 1 A, TA = 40qC 2 A, TA = 40qC 10 mA, TA = 85qC 1 A, TA = 85qC 2 A, TA = 85qC 4 4.5 Input Voltage (V) 5 0.904 0.896 0.888 TA = 40qC TA = 25qC TA = 85qC 0.88 1E-5 5.5 0.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 8 Detailed Description 8.1 Overview The TLV62080 and TLV62084 synchronous switched-mode converters are based on DCS-Control. DCS-Control is an advanced regulation topology that combines the advantages of hysteresis and voltage mode control. The DCS-Control topology operates in PWM (pulse width modulation) mode for medium to heavy load conditions and in power save mode at light load currents.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com Feature Description (continued) 8.3.2 Enabling and Disabling the Device The device is enabled by setting the EN input to a logic HIGH. Accordingly, a logic LOW disables the device. If the device is enabled, the internal power stage starts switching and regulates the output voltage to the programmed threshold. The EN input must be terminated with a resistance less than 1-MΩ pulled to VIN or GND. 8.3.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 8.4 Device Functional Modes 8.4.1 Power Save Mode As the load current decreases the TLV62080 and TLV62084 devices enter the power save mode operation. During power save mode the converter operates with reduced switching frequency in PFM mode and with a minimum quiescent current maintaining high efficiency. The power save mode occurs when the inductor current becomes discontinuous which is based on a fixed on time architecture.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com 9.2.2 Detailed Design Procedure Table 3. List of Components REFERENCE DESCRIPTION MANUFACTURER C1 10 μF, Ceramic Capacitor, 6.3 V, X5R, size 0603 Std C2 22 μF, Ceramic Capacitor, 6.3 V, X5R, size 0805, GRM21BR60J226ME39L Murata C3 47 μF, Tantalum Capacitor, 8 V, 35 mΩ, size 3528, T520B476M008ATE035 Kemet L1 1 μH, Power Inductor, 2.2 A, size 3 mm × 3 mm × 1.2 mm, XFL3012-102MEB R1 65.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 Table 5. List of Recommended Inductors INDUCTANCE [µH] CURRENT RATING [mA] DIMENSIONS L x W x H [mm3] DC RESISTANCE [mΩ typ] TYPE MANUFACTURER 1 2500 3 × 3 × 1.2 35 XFL3012-102ME Coilcraft Murata 1 1650 3 × 3 × 1.2 40 LQH3NPN1R0NJ0 2.2 2500 4 × 3.7 × 1.65 49 LQH44PN2R2MP0 Murata 2.2 1600 3 × 3 × 1.2 81 XFL3012-222ME Coilcraft 9.2.2.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com 9.2.3 Application Curves SW (2 V/div) SW (2 V/div) VOUT (20 mV/div) VOUT (20 mV/div) L COIL (0.5 A/div) L COIL (0.2 A/div) Time (2 µs/div) Time (200 ns/div) VIN = 3.3 V VOUT = 1.2 V ILOAD = 500 mA VIN = 3.3 V Figure 11. Typical Application (PWM Mode) VOUT = 1.2 V ILOAD = 10 mA Figure 12.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 4.2 V VIN (1 V/div) EN (5 V/div) 3.3 V PG (1 V/div) VOUT (1 V/div) VOUT (50 mV/div) LCOIL (0.5 A/div) Time (20 µs/div) Time (100 µs/div) VIN = 3.3 to 4.2 V ILOAD = 2.2 Ω VOUT = 1.2 V VIN = 3.3 V Figure 15. Line Transient VOUT = 1.2 V ILOAD = 2.2 Ω Figure 16. Startup EN (5 V/div) PG (1 V/div) VOUT (1 V/div) LCOIL (0.2 A/div) Time (20 µs/div) VIN = 3.3 V VOUT = 1.2 V Figure 17.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com 10 Power Supply Recommendations The devices are designed to operate from an input voltage supply range between 2.5 V (2.7 V for the TLV62084 device) and 5.5 V. This input supply must be well regulated. If the input supply is located more than a few inches from the TLV6208x converter additional bulk capacitance may be required in addition to the ceramic bypass capacitors.
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TLV62080, TLV62084 www.ti.com SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 11.3 Thermal Information Implementation of integrated circuits in low-profile and fine-pitch surface-mount packages typically requires special attention to power dissipation. Many system-dependent issues such as thermal coupling, airflow, added heat sinks and convection surfaces, and the presence of other heat-generating components affect the powerdissipation limits of a given component.
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TLV62080, TLV62084 SLVSAK9E – OCTOBER 2011 – REVISED FEBRUARY 2014 www.ti.com 12 Device and Documentation Support 12.1 Device Support 12.1.1 Third-Party Products Disclaimer TI'S PUBLICATION OF INFORMATION REGARDING THIRD-PARTY PRODUCTS OR SERVICES DOES NOT CONSTITUTE AN ENDORSEMENT REGARDING THE SUITABILITY OF SUCH PRODUCTS OR SERVICES OR A WARRANTY, REPRESENTATION OR ENDORSEMENT OF SUCH PRODUCTS OR SERVICES, EITHER ALONE OR IN COMBINATION WITH ANY TI PRODUCT OR SERVICE. 12.
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 28-Feb-2014 Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties.
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PACKAGE MATERIALS INFORMATION www.ti.com 28-Feb-2014 TAPE AND REEL INFORMATION *All dimensions are nominal Device Package Package Pins Type Drawing TLV62080DSGR WSON DSG 8 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) B0 (mm) K0 (mm) P1 (mm) 1.2 4.0 8.0 Q2 3000 179.0 8.4 2.2 2.2 W Pin1 (mm) Quadrant TLV62080DSGT WSON DSG 8 250 179.0 8.4 2.2 2.2 1.2 4.0 8.0 Q2 TLV62084DSGR WSON DSG 8 3000 180.0 8.4 2.3 2.3 1.15 4.0 8.
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PACKAGE MATERIALS INFORMATION www.ti.com 28-Feb-2014 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) TLV62080DSGR WSON DSG 8 3000 195.0 200.0 45.0 TLV62080DSGT WSON DSG 8 250 195.0 200.0 45.0 TLV62084DSGR WSON DSG 8 3000 210.0 185.0 35.0 TLV62084DSGT WSON DSG 8 250 210.0 185.0 35.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.