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TPS40021PWP-TPS40021PWPR-TPS40021PWPRG4 Fast Delivery,Good Price
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TPS40021PWPTIN/a330avaiEnhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink
TPS40021PWPRTIN/a2000avaiEnhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink
TPS40021PWPRG4TIN/a3500avaiENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER


TPS40021PWPRG4 ,ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLERmaximum ratings” may cause permanent damage to the device. These are stress ratings only,and functi ..
TPS40040DRBR ,Low Pin Count, Low Vin Synchronous Buck DC/DC Controller 8-SON -40 to 85Electrical Characteristics 3• Three Selectable Short Circuit ProtectionDevice Information 8Levels o ..
TPS40040DRBRG4 ,Low Pin Count, Low Vin Synchronous Buck DC/DC Controller 8-SON -40 to 85ELECTRICAL CHARACTERISTICST = -40 C to 85C VDD = 5 V, (unless otherwise noted)JPARAMETER TEST CONDI ..
TPS40040DRBT ,Low Pin Count, Low Vin Synchronous Buck DC/DC Controller 8-SON -40 to 85SLUS700D–MARCH 2006–REVISED DECEMBER 2007DESCRIPTION (CONT.)One of three short circuit threshold le ..
TPS40041DRBR ,Low Pin Count, Low Vin Synchronous Buck DC/DC Controller 8-SON -40 to 85SLUS700D–MARCH 2006–REVISED DECEMBER 2007DESCRIPTION (CONT.)One of three short circuit threshold le ..
TPS40041DRBRG4 ,Low Pin Count, Low Vin Synchronous Buck DC/DC Controller 8-SON -40 to 85FEATURES APPLICATIONS• Point of Load23• 2.25-V to 5.5-V Input• Telecommunications• Output Voltage f ..
TSB41AB1PHP ,IEEE 1394a One-Port Cable Transceiver/ArbiterFeatures Single 3.3-V Supply Operation IEEE 1394a-2000 Compliant Common ModeNoise Filter on Incom ..
TSB41AB1PHPG4 ,IEEE 1394a One-Port Cable Transceiver/Arbiter 48-HTQFP 0 to 70      SLLS423I − JUNE 2000 − REVISED MARCH 2005 F ..
TSB41AB1PHPG4 ,IEEE 1394a One-Port Cable Transceiver/Arbiter 48-HTQFP 0 to 70      SLLS423I − JUNE 2000 − REVISED MARCH 2005 F ..
TSB41AB2 ,IEEE 1394a Two-Port Cable Transceiver/ArbiterFeatures Single 3.3-V Supply Operation IEEE 1394a-2000 Compliant Common ModeNoise Filter on Incom ..
TSB41AB2PAP ,IEEE 1394a Two-Port Cable Transceiver/ArbiterFeatures Single 3.3-V Supply Operation IEEE 1394a-2000 Compliant Common ModeNoise Filter on Incom ..
TSB41AB2PAPG4 ,IEEE 1394a Two-Port Cable Transceiver/Arbiter 64-HTQFP 0 to 70Features Single 3.3-V Supply Operation IEEE 1394a-2000 Compliant Common ModeNoise Filter on Incom ..


TPS40021PWP-TPS40021PWPR-TPS40021PWPRG4
Enhanced Low Input Voltage (2.25V-5.5V) Buck
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 Short
Circuit Current Limit
Programmable Fixed-Frequency
100 KHz-to-1 MHz Voltage-Mode Control
Source-Only Current or Source/Sink Current Quick Response Output Transient
Comparators with Power Good Indication
Provide Output Status
16-Pin PowerPAD Package
APPLICATIONS
Networking Equipment Telecom Equipment Base Stations Servers DSP Power
DESCRIPTION

The TPS4002x family of dc-to-dc controllers are designed
for non-isolated synchronous buck regulators, providing
enhanced operation and design flexability through user
programmability.
The TPS4002x utilizes a proprietary Predictive Gate
Drive technology to minimize the diode conduction
losses associated with the high-side and synchronous
rectifier N-channel MOSFET transistions. The integrated
charge pump with boost circuit provides a regulated 5-V
gate drive for both the high side and synchronous rectifier
N-channel MOSFETs. The use of the Predictive Gate
Drive technology and charge pump/boost circuits
combine to provide a highly efficient, smaller and less
expensive converter.
Design flexibility is provided through user programmability
of such functions as: operating frequency, short circuit
current detection thresholds, soft-start ramp time, and
external synchronization frequency. The operating
frequency is programmable using a single resistor over a
frequency range of 100 kHz to 1 MHz. Higher operating
frequencies yield smaller component values for a given
converter power level as well as faster loop closure.
VDD 2.25 V − 5.5 V
VOUT
VDD VOUT

UDG−02094
Not Recommended for New Designs
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