Integrated Circuits (ICs)

TPS54140QDRCRQ1

Obsolete

Texas Instruments

IC REG BUCK ADJ 1.5A 10VSON

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Integrated Circuits (ICs)

TPS54140QDRCRQ1

Obsolete

Texas Instruments

IC REG BUCK ADJ 1.5A 10VSON

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	TPS54140QDRCRQ1

Current - Output	1.5 A
Frequency - Switching [Max]	2.5 MHz
Frequency - Switching [Min]	100 kHz
Function	Step-Down
Grade	Automotive
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	10-VFDFN Exposed Pad
Qualification	AEC-Q100
Supplier Device Package	10-VSON (3x3)
Synchronous Rectifier	False
Topology	Buck
Voltage - Input (Max) [Max]	42 V
Voltage - Input (Min) [Min]	3.5 V
Voltage - Output (Max) [Max]	39 V
Voltage - Output (Min/Fixed)	0.8 V

TPS54140A Series

3.5V to 42V Input, 1.5A Step-Down Converter with Eco-Mode

Part	Topology	Package / Case	Voltage - Input (Max) [Max]	Voltage - Input (Min) [Min]	Mounting Type	Output Type	Qualification	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Output (Max) [Max]	Frequency - Switching [Max]	Frequency - Switching [Min]	Supplier Device Package	Number of Outputs	Current - Output	Output Configuration	Grade	Function	Voltage - Output (Min/Fixed)	Package / Case	Board Type	Supplied Contents	Frequency - Switching	Voltage - Input [Min]	Voltage - Input [Max]	Voltage - Output	Outputs and Type	Outputs and Type	Main Purpose	Regulator Topology	Utilized IC / Part
Texas Instruments TPS54140QDRCRQ1	Buck	10-VFDFN Exposed Pad	42 V	3.5 V	Surface Mount	Adjustable	AEC-Q100	150 °C	-40 °C	39 V	2.5 MHz	100 kHz	10-VSON (3x3)	1	1.5 A	Positive	Automotive	Step-Down	0.8 V
Texas Instruments TPS54140ADGQ	Buck	10-MSOP 10-PowerTFSOP	42 V	3.5 V	Surface Mount	Adjustable		150 °C	-40 °C	39 V	2.5 MHz	100 kHz	10-HVSSOP	1	1.5 A	Positive		Step-Down	0.8 V	0.118 in 3 mm
Texas Instruments TPS54140EVM-429															1.5 A						Fully Populated	Board(s)	500 kHz	25 V	42 V	3.3 V	Non-Isolated	1	DC/DC Step Down	Buck	TPS54140
Texas Instruments TPS54140ADRCT	Buck	10-VFDFN Exposed Pad	42 V	3.5 V	Surface Mount	Adjustable		150 °C	-40 °C	39 V	2.5 MHz	100 kHz	10-VSON (3x3)	1	1.5 A	Positive		Step-Down	0.8 V
Texas Instruments TPS54140DGQ	Buck	10-MSOP 10-PowerTFSOP	42 V	3.5 V	Surface Mount	Adjustable		150 °C	-40 °C	39 V	2.5 MHz	100 kHz	10-HVSSOP	1	1.5 A	Positive		Step-Down	0.8 V	0.118 in 3 mm
Texas Instruments TPS54140DGQR	Buck	10-MSOP 10-PowerTFSOP	42 V	3.5 V	Surface Mount	Adjustable		150 °C	-40 °C	39 V	2.5 MHz	100 kHz	10-HVSSOP	1	1.5 A	Positive		Step-Down	0.8 V	0.118 in 3 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

TPS54140A Series

The TPS54140 device is a 42-V, 1.5-A, step-down regulator with an integrated high-side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load, regulated output-supply current to 116 µA. Using the enable pin, the shutdown supply current is reduced to 1.3 µA.

Undervoltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output-voltage startup ramp is controlled by the slow-start pin that can also be configured for sequencing and tracking. An open-drain power-good signal indicates the output is within 94% to 107% of the nominal voltage.

A wide switching frequency range allows efficiency and external component size to be optimized. Frequency foldback and thermal shutdown protects the device during an overload condition.

Documents

Technical documentation and resources