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TPS40101 Series

4.5-V to 18-V, synchronous buck controller with advanced sequencing and output margining

Manufacturer: Texas Instruments

Catalog(2 parts)

PartVoltage - Supply (Vcc/Vdd)Voltage - Supply (Vcc/Vdd)Output TypeOutput ConfigurationSynchronous RectifierPackage / CaseOutput PhasesTopologyClock SyncOperating TemperatureOperating TemperatureSupplier Device PackageControl FeaturesNumber of OutputsFunctionMounting TypeFrequency - SwitchingFrequency - Switching
Texas Instruments
TPS40101RGER
Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-VQFN (4x4)
4.5 V
18 V
Transistor Driver
Positive
24-VFQFN Exposed Pad
1 ul
Buck
85 °C
-40 °C
24-VQFN (4x4)
Current Limit, Frequency Control, Power Good, Soft Start, Tracking
1 ul
Step-Down
Surface Mount
1000000 Hz
100000 Hz
Texas Instruments
TPS40101RGET
Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-VQFN (4x4)
4.5 V
18 V
Transistor Driver
Positive
24-VFQFN Exposed Pad
1 ul
Buck
85 °C
-40 °C
24-VQFN (4x4)
Current Limit, Frequency Control, Power Good, Soft Start, Tracking
1 ul
Step-Down
Surface Mount
1000000 Hz
100000 Hz

Key Features

Operation over 4.5 V to 18 V Input Range100 kHz to 1 MHz Voltage Mode ControlOutput Voltage Range From 0.69 V to 5.5 VSimultaneous, Ratiometric and Sequential Startup SequencingRemote Sensing (Via Separate GND/PGND)24-Pin QFN PackageThermal ShutdownProgrammable Overcurrent ProtectionPower Good Indicator1%, 690-mV ReferenceOutput Margining, 3% and 5%Programmable UVLO and HysteresisFrequency SynchronizationAPPLICATIONSServersNetworking EquipmentTelecommunications EquipmentPower Supply ModulesOperation over 4.5 V to 18 V Input Range100 kHz to 1 MHz Voltage Mode ControlOutput Voltage Range From 0.69 V to 5.5 VSimultaneous, Ratiometric and Sequential Startup SequencingRemote Sensing (Via Separate GND/PGND)24-Pin QFN PackageThermal ShutdownProgrammable Overcurrent ProtectionPower Good Indicator1%, 690-mV ReferenceOutput Margining, 3% and 5%Programmable UVLO and HysteresisFrequency SynchronizationAPPLICATIONSServersNetworking EquipmentTelecommunications EquipmentPower Supply Modules

Description

AI
The TPS40101 is a wide-input synchronous, step-down controller that offers programmable closed loop soft-start, programmable UVLO and hysteresis, programmable current limit with hiccup recovery and can be synchronized to other timebases. The TPS40101 incorporates MOSFET gate drivers for external N-channel MOSFETs. Gate drive logic incorporates adaptive anti-cross conduction circuitry for improved efficiency, reducing diode conduction in the rectifier MOSFET. The TPS40101 is a wide-input synchronous, step-down controller that offers programmable closed loop soft-start, programmable UVLO and hysteresis, programmable current limit with hiccup recovery and can be synchronized to other timebases. The TPS40101 incorporates MOSFET gate drivers for external N-channel MOSFETs. Gate drive logic incorporates adaptive anti-cross conduction circuitry for improved efficiency, reducing diode conduction in the rectifier MOSFET.