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TPS5120-TPS5120DBT-TPS5120DBTG4-TPS5120DBTR-TPS5120DBTRG4 Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
TPS5120TIN/a60avaiDual Output, Two-Phase Synchronous Buck Controller with Wide Input Voltage Range
TPS5120DBTTIN/a520avaiQ1
TPS5120DBTG4TI/BBN/a347avaiQ1
TPS5120DBTRTIN/a36618avaiQ1
TPS5120DBTRG4TIN/a50avaiDual Output, Two-Phase Synchronous Buck Controller with Wide Input Voltage Range 30-TSSOP -40 to 85


TPS5120DBTR ,Q1features, such as undervoltage lockout, power good, overvoltage,undervoltage, and programmable shor ..
TPS5120DBTRG4 ,Dual Output, Two-Phase Synchronous Buck Controller with Wide Input Voltage Range 30-TSSOP -40 to 85features, such as undervoltage lockout, power good, overvoltage,undervoltage, and programmable shor ..
TPS5120Q1 ,Automotive Catalog Dual Output Two-Phase Synchronous Buck DC/DC Controller/packaging.Please be aware that an important notice concerning availability, standard warranty, and ..
TPS5120QDBTRQ1 ,Q1            SGLS225B − JANUARY 2004 − REVISED APRIL ..
TPS5120QDBTRQ1G4 ,Automotive Catalog Dual Output Two-Phase Synchronous Buck DC/DC Controller 30-TSSOP -40 to 125features, such as undervoltage lockout, power good, overvoltage,undervoltage, and programmable shor ..
TPS51211DSCR ,High-Performance, Single Synchronous Step-Down Controller 10-WSON -40 to 85FEATURES APPLICATIONS2• Wide Input Voltage Range: 3 V to 28 V • Notebook Computers• Output Voltage ..
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TPS5120-TPS5120DBT-TPS5120DBTG4-TPS5120DBTR-TPS5120DBTRG4
Dual Output, Two-Phase Synchronous Buck Controller with Wide Input Voltage Range
Pin-Selectable PWM/SKIP Mode for HighEfficiency Under Light Loads Synchronous Buck Operation Allows up to
95% Efficiency
Separate Standby Control and Overcurrent
Protection for Each Channel
Programmable Short-Circuit Protection Low Supply (1 mA) and Shutdown (1 nA)
Current
Power Good Output High-Speed Error Amplifiers Sequencing Easily Achieved by Selecting
Softstart Capacitor Values.
5-V Linear Regulator Power Internal IC
Circuitry
30-Pin TSSOP Packaging

description

The TPS5120 is a dual channel, high-efficiency synchronous buck controller where the outputs run 180 degrees
out of phase, which lowers the input current ripple, thereby reducing the input capacitance cost. The PWM/SKIP
pin allows the operating mode to switch from PWM mode to skip mode under light load conditions. The skip
mode enables a lower operating frequency and shortens the pulse width to the low-side MOSFET, increasing
the efficiency under light load conditions. These two modes, along with synchronous-rectifier drivers, dead time,
and very low quiescent current, allow power to be conserved and the battery life to be extended under all load
conditions. The 1.5 A (typical) high-side and low-side MOSFET drivers on-chip are designed to drive less
expensive N-channel MOSFET s. The resistorless current protection and fixed high-side driver voltage simplify
the power supply design and reduce the external parts count. Each channel is independent, offering a separate
controller, overcurrent protection, and standby control. Sequencing is flexible and can be tailored by choosing
different softstart capacitor values. Other features, such as undervoltage lockout, power good, overvoltage,
undervoltage, and programmable short-circuit protection promote system reliability.
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.
PWM/SKIP
5V_STBY
GND
REF
STBY1
STBY2
FLT
POWERGOOD
SOFTSTART2
FB2
INV2
OUT1_d
OUTGND1
TRIP1CC
TRIP2
VREF5
REG5V_IN
OUTGND2
OUT2_d
LL2
OUT2_u
LH2
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