TPS54140DGQ - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

TPS54140DGQ
Manufacturer

TI
ChipWorker Part#

CW3266464
Category

DC to DC Converter
Package

PowerPad-MSOP-10
Description

Step-Down Regulator 3.5V to 42V Input, 1.5A Step Down SWIFT Converter with Eco-Mode (tm) Conv DC-DC Single Step Down 4.5V to 42V 10Pin HVSSOP EP
Documentation

Datasheet

TPS54140DGQ Global Supplier

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TPS54140DGQ Specifications

Attribute	Attribute Value

Part Number	TPS54140DGQ
Manufacturer	TI
ChipWorker Part#	CW3266464
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	10 Pin
Case/Package	PowerPad-MSOP-10
Frequency	2.50 MHz
Supply Voltage (DC)	3.50V (min)
Number of Outputs	1 Output
Output Voltage	0.8V ~ 39V
Output Current	1.5 A
Number of Positions	10 Position
Quiescent Current	116 µA
Number of Regulated Outputs	1 Output
Switching Frequency	2.5 MHz
Thermal Shutdown	Yes
Topology	Buck
Input Voltage (Max)	42 V
Input Voltage (Min)	3.5 V
Output Voltage (Max)	39 V
Output Voltage (Min)	800 mV
Output Current (Max)	1.2 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.5 V
Input Voltage	3.5V ~ 42V
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Size-Length	3 mm
Size-Width	3 mm
Size-Height	1.02 mm
Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS54140DGQ is a 42V 1.5A Step-down Converter with an integrated high-side MOSFET and Eco-mode™. 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 116µA. Using the enable pin, shutdown supply current is reduced to 1.3µA. Under-voltage lockout is internally set at 2.5V, but can be increased using the enable pin. The output voltage start-up ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open drain power good signal indicates the output is within 94 to 107% of its nominal voltage. A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition.
200mR High-side MOSFET
High efficiency at light loads with a pulse-skipping Eco-mode™
116µA Operating quiescent current
1.3µA Shutdown current
100kHz to 2.5MHz Switching frequency
Synchronizes to external clock
Adjustable slow start/sequencing
UV and OV power-good output
Adjustable UVLO voltage and hysteresis
0.8V Internal voltage reference
Green product and no Sb/Br
This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

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