TPS43060/61

ISNS-

ISNS+

VIN

EN

PGOOD

FB

AGND

VCC

BOOT

COMP

RT/CLK

SS

L

(Note1)

LDRV

PGND

SW

HDRV

TPS43060

TPS43061

www.ti.com

SLVSBP4A – DECEMBER 2012 – REVISED DECEMBER 2012

Check for Samples: TPS43060, TPS43061

1

FEATURES

APPLICATIONS

2

•

58 V Maximum Output Voltage

•

Thunderbolt Port for PCs

•

•

Automotive Power Systems

•

TPS43060: 7.5 V Gate Drive Optimized for

•

Synchronous Flyback

Standard Threshold MOSFETs

•

GaN RF Power Amplifiers

•

TPS43061: 5.5 V Gate Drive Optimized for Low

•

Tablet Computer Accessories

Qg NexFETs™

•

Battery Powered Systems

•

Current-Mode Control with Internal Slope

•

5 V, 12 V, and 24 V DC Bus Power Systems

Compensation

•

Adjustable Frequency from 50kHz to 1MHz

DESCRIPTION

•

Synchronization Capability to External Clock

mode synchronous boost controllers with wide input

•

Adjustable Soft-Start Time

voltage range from 4.5 V to 38 V (40 V abs max) and

•

Inductor DCR or Resistor Current Sensing

boosted output range up to 58 V. Synchronous

•

Output Voltage Power-Good Indicator

rectification enables high efficiency for high current

applications, and lossless inductor DCR sensing

•

±0.8% Feedback Reference Voltage

further improves efficiency. The resulting low power

•

5 µA Shutdown Supply Current

losses combined with a 3 mm x 3 mm QFN-16

•

600 µA Operating Quiescent Current

package with PowerPad™ supports high power-

density and high reliability boost converter solutions

•

Integrated Bootstrap Diode (TPS43061)

over extended (-40°C to 150°C) temperature range.

•

Cycle-by-Cycle Current Limit and Thermal

Shutdown

The TPS43060 includes a 7.5 V gate drive supply

which is suitable to drive a broad range of MOSFETs.

•

Adjustable UVLO and Output Overvoltage

The TPS43061 has a 5.5 V gate drive supply and

Protection

driver strength optimized for low Qg NexFET™. In

•

Small 16-Pin QFN (3 mm x 3 mm) Package with

addition, TPS43061 provides an integrated bootstrap

PowerPAD™

diode for the high side gate driver to reduce external

•

parts count.

SIMPLIFIED SCHEMATIC

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

NexFETs, PowerPAD are trademarks of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Copyright © 2012, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.