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TPS40001DGQ-TPS40001DGQR-TPS40001DGQRG4 Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
TPS40001DGQTIN/a1100avaiLow Input Voltage Mode Synchronous Buck Controller
TPS40001DGQRTIN/a5000avaiLow Input Voltage Mode Synchronous Buck Controller
TPS40001DGQRG4TIN/a323avaiLow Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85
TPS40001DGQRG4TEXAS N/a1985avaiLow Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85


TPS40001DGQR ,Low Input Voltage Mode Synchronous Buck Controller     SLUS507D − JANUARY 2002 − REVISED NOVEMBER 20 ..
TPS40001DGQRG4 ,Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85FEATURES APPLICATIONS Operating Input Voltage 2.25 V to 5.5 V  Networking Equipment Output Volta ..
TPS40001DGQRG4 ,Low Input Voltage Mode Synchronous Buck Controller 10-MSOP-PowerPAD -40 to 85ELECTRICAL CHARACTERISTICSover recommended operating temperature range, T = −40C to 85C, V = 5.0 ..
TPS40002DGQ ,Low Input (2.25V-5.5V) 600 kHz Frequency, Synchronous Buck Controller, Source OnlyFEATURES APPLICATIONS Operating Input Voltage 2.25 V to 5.5 V  Networking Equipment Output Volta ..
TPS40002DGQR ,Low Input (2.25V-5.5V) 600 kHz Frequency, Synchronous Buck Controller, Source OnlyELECTRICAL CHARACTERISTICSover recommended operating temperature range, T = −40C to 85C, V = 5.0 ..
TPS40003 ,Low Input Voltage Mode Synchronous Buck ControllerELECTRICAL CHARACTERISTICSover recommended operating temperature range, T = −40C to 85C, V = 5.0 ..
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TPS40001DGQ-TPS40001DGQR-TPS40001DGQRG4
Low Input Voltage Mode Synchronous Buck Controller
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SLUS507D − JANUARY 2002 − REVISED NOVEMBER 2005
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FEATURES
Operating Input Voltage 2.25 V to 5.5 V Output Voltage as Low as 0.7 V 1% Internal 0.7 V Reference Predictive Gate Drive� N-Channel MOSFET
Drivers for Higher Efficiency
Externally Adjustable Soft-Start and
Overcurrent Limit
Source-Only Current or Source/Sink Current Versions for Starting Into VOUT Pre-Bias 10-Lead MSOP PowerPad� Package for
Higher Performance
Thermal Shutdown Internal Boostrap Diode Fixed-Frequency, Voltage-Mode Control
− TPS40000/1/4 300-kHz
− TPS40002/3/5 600-kHz
SIMPLIFIED APPLICATION DIAGRAM
APPLICATIONS
Networking Equipment Telecom Equipment Base Stations Servers DSP Power Power Modules
DESCRIPTION
The TPS4000x are controllers for low-voltage,
non-isolated synchronous buck regulators. These
controllers drive an N-channel MOSFET for the
primary buck switch, and an N-channel MOSFET
for the synchronous rectifier switch, thereby
achieving very high-efficiency power conversion. In
addition, the device controls the delays from main
switch off to rectifier turn-on and from rectifier
turn-off to main switch turn-on in such a way as to
minimize diode losses (both conduction and
recovery) in the synchronous rectifier with TI’s
proprietary Predictive Gate Drive� technology. The
reduction in these losses is significant and increases
efficiency. For a given converter power level, smaller
FETs can be used, or heat sinking can be reduced
or even eliminated.
UDG−01141
VIN
VOUT
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