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Details for TPS54140DGQ by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
TPS54140DGQ
Buy Directly from Texas Instruments (6987 in stock) $1.0000
DC DC CONVERTER STEP DOWN 10MSOP
TPS54140DGQ image

TPS54140DGQ by Texas Instruments

DC DC CONVERTER STEP DOWN 10MSOP
Features
0.8-V Internal Voltage Reference
1.3-u03bcA Shutdown Current
100-kHz to 2.5-MHz Switching Frequency
116-u03bcA Operating Quiescent Current
200-mu2126 High-Side MOSFET
3.5- to 42-V Input Voltage Range
Adjustable Slow Start and Sequencing
Adjustable UVLO Voltage and Hysteresis
High Efficiency at Light Loads with a Pulse Skipping Eco-modeu2122
MSOP10 Package With PowerPADu2122
Supported by WEBENCHu00ae
Synchronizes to External Clock
UV and OV Power-Good Output
Part Information
TPS54140DGQ image
RoHS Compliant
Description
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 outputvoltage 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. The TPS54140 device is available in a 10-pin thermally enhanced MSOP PowerPAD package.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
3.5V
Input Voltage Max:
42V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
MSOP
No. of Pins:
10Pins
Output Current:
1.5A
Output Voltage Min:
800mV
Output Voltage Max:
39V
Switching Frequency:
2.5MHz
Operating Temperature Max:
150°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
1%
Adjustable Output Voltage Min:
0.8V
Base Number:
5414
Frequency:
2.5MHz
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +150°C
Output Voltage:
39V
Primary Input Voltage:
42V
Supply Voltage Min:
3.5V
Termination Type:
Surface Mount Device
Voltage Regulator Type:
Step Down
Alternate Descriptions
3.5V to 42Vin Step Down SWIFT Converter RS Components
Step Down Regulator IC; No. of Outputs:1; Output Voltage:39V; Output Current:1.5A; No. of Pins:10; Operating Temperature Range:-40°C to +150°C; Input Voltage Primary Max:47V; Leaded Process Compatible:Yes; Output Current Max:1.5A RoHS Compliant: Yes Newark Electronics
Conv DC-DC Single Step Down 4.5V to 42V 10-Pin HTSSOP EP Avnet America
PMIC; DC/DC converter; Uin:3.5÷42V; Uout:0.8÷39V; HVSSOP10; buck Transfer Multisort Elektronik
Conv DC-DC Single Step Down 4.5V to 42V 10-Pin HTSSOP EP Avnet Europe
3.5V to 42V Input, 1.5A Step-Down Converter with Eco-Mode Texas Instruments
DC/DC Converter [Texas Instruments] TPS54140DGQ DC/DC Converter Distrelec