Low

TPS54040ADGQR - 

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 3.5V-42Vin, 800mV-39Vout, 500mAout, MSOP-10

TEXAS INSTRUMENTS TPS54040ADGQR

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
TPS54040ADGQR
Order Code:
2099920RL
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
42V
:
500mA
:
1Outputs
:
150°C
:
10Pins
:
39V
:
800mV
:
3.5V
:
-
:
Buck (Step Down)
:
-
:
MSOP
:
2.5MHz
:
Cut Tape
:
MSL 1 - Unlimited
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Product Overview

The TPS54040ADGQR is a 0.5A 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 input supply current to 116µA. Using the enable pin, shutdown supply current is reduced to 1.3µA when the enable pin is low. 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 optimization. Frequency foldback and thermal shutdown protect the part during an overload condition.
  • 200mR High-side MOSFET
  • High efficiency at light loads with a pulse-skipping Eco-mode™
  • Tighter enable threshold than TPS54040 for more accurate UVLO voltage
  • Adjustable UVLO voltage and hysteresis
  • 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
  • 0.8V Internal voltage reference
  • Green product and no Sb/Br

Applications

Industrial, Commercial, Power Management, Imaging, Video & Vision, Consumer Electronics

Warnings

IC can be damaged by ESD. We recommend that all ICs be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

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