TPS40190DRCR ,LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLERMAXIMUM RATINGS(1)over operating free-air temperature range unless otherwise notedTPS40190 UNITVDD ..
TPS40190DRCRG4 ,LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLERELECTRICAL CHARACTERISTICST = –40°C to 85°C, V = 12 V , T =T , all parameters at zero power dissipa ..
TPS40190DRCRG4 ,LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLERThese devices have limited built-in ESD protection. The leads should be shorted together or the dev ..
TPS40190DRCT ,LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLERFEATURESDESCRIPTION• Input Operating Voltage Range: 4.5 V to 15 VThe TPS40190 is a cost-optimized s ..
TPS40192DRCR ,4.5V to 18V Input, Low Pin Count, Synchronous Buck Controller with Power Good 10-VSON -40 to 85Features 3 DescriptionTPS40192 and TPS40193 are cost-optimized1• Input Operating Voltage Range: 4.5 ..
TPS40192DRCRG4 ,4.5V to 18V Input, Low Pin Count, Synchronous Buck Controller with Power Good 10-VSON -40 to 85Features... 1 8 Application and Implementation...... 158.1 Application Information........ 152 Appl ..
TSB43DA42 ,IEC61883, 1394a Link Layer Controller integrated with a 1394a, 400Mbps, 2-port Physical Layer (PHY)SLLS560–FEBRUARY 2007DESCRIPTION/ORDERING INFORMATIONThe TSB43DA42/TSB43DB42 are high-performance c ..
TSB43DA42AGHC , IEEE 1394a-2000 CONSUMER ELECTRONICS SOLUTION
TSB43DA42AZHC ,IEC61883, 1394a Link Layer Controller integrated with a 1394a, 400Mbps, 2-port Physical Layer (PHY) 196-BGA MICROSTAR -20 to 85SLLS560–FEBRUARY 2007APPLICATION INFORMATIONHDTV ApplicationSDRAM CPUTSB43DA42 Audio DACMPEG2 Trans ..
TSB43DB42 , IEEE 1394a-2000 CONSUMER ELECTRONICS SOLUTION
TSB772SCT , Low Vce(sat) PNP Transistor
TSB81BA3 ,IEEE P1394b s800 Three-Port Cable Transceiver/ArbiterFeatures to Conserve Energyand Blocks any Leakage From the Portin Battery Powered ApplicationsBack ..
TPS40190DRCR-TPS40190DRCRG4-TPS40190DRCT
LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLER
TPS40190
www.ti.com SLUS658C –JULY 2005–REVISED JULY 2012
LOW PIN COUNT SYNCHRONOUS BUCK CONTROLLER
Checkfor Samples: TPS40190
1FEATURES
DESCRIPTION• Input Operating Voltage Range: 4.5Vto15V The TPS40190isa cost-optimized synchronous buck
• Reference 0.591V ±1% controller that operates from 4.5Vto 15V nominally,
• Voltage Mode Control and implementsa fixed frequency voltage mode
power supply. The controller uses an adaptive anti-
• Internal 5-V Regulator For Internalcross conduction schemeto prevent both the high-
Housekeeping, Driver Power and Light side and the rectifier MOSFETtobe turned onat the
External Loads same time, preventing shoot through currentin the
• Selectable Short-Circuit Protection Thresholds two MOSFETs.
Pre-Bias Ouput Safe The controller also providesa short circuit protection
• Fixed Switching Frequencyof 300 kHz threshold thatis user selectable between oneof three
Internal Soft-Start values. The protection levelis set witha single
external resistor connected from COMP to GND.
• Small3 mm×3 mm, 10-Pin SON Package During start-up, the impedance connectedto COMP
• Bootstrapped Drivers for N-Channel MOSFET is sensed, and the informationis decodedto select
Adaptive Anti-Cross Conduction one of the three thresholds. When the controller
senses an output short circuit, both MOSFETs are
• Internal Bootstrap Diode turned off anda timeout periodis observed before
• 1.2-A Drivers for Decreased Switching Loss attempting to restart. This provides limited power
dissipationin the eventofa sustained fault.
APPLICATIONS The TPS40190 provides strong driversto minimize
• Cable modem CPE switching lossesin the power stage, reducing heat
Digital Set Top Box build up in the MOSFETs and allowing larger
MOSFETsto be used without undue switching time
• Graphics/Audio Cards penalty.
• Entry-level and Mid-Range Servers
SIMPLIFIED APPLICATION DIAGRAM
