TPS54240DGQ Part Information

Details for TPS54240DGQ by Texas Instruments

Electronic & Electrical Components>Semiconductors - ICs>Power Management

Part Description

The TPS54240 device is a 42-V, 2.5-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 138 μA. Using the enable pin, shutdown supply current is reduced to 1.3 μA, when the enable pin is low. Undervoltage lockout is internally set at 2.5 V, but it 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 its nominal voltage. A wide switching frequency range allows efficiency and optimization of external component size. Frequency foldback and thermal shutdown protects the part during an overload condition. The TPS54240 is available in 10-pin, thermallyenhanced HVSSOP and 10-pin 3-mm x 3-mm PowerPAD package.

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Part Features

  • 0.8-V Internal Voltage Reference
  • 1.3-u03bcA Shutdown Current
  • 10-Pin HVSSOP and 10-Pin 3-mm x 3-mm VSON Packages with PowerPADu2122
  • 100-kHz to 2.5-MHz Switching Frequency
  • 138-u03bcA Operating Quiescent Current
  • 200-mu2126 High-Side MOSFET
  • 3.5-V 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
  • Supported by WEBENCHu00ae
  • Synchronizes to External Clock
  • UV and OV Power Good Output

Part 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 2.5A
Output Voltage Min 800mV
Output Voltage Max 39V
Switching Frequency 581kHz
Operating Temperature Max 150°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
Base Number 54240
Operating Temperature Min -40°C
Operating Temperature Range -40°C to +150°C
Output Voltage 39V
Primary Input Voltage 42V
RoHS Compliant

Alternative Part Descriptions

  • IC, BUCK, SYNC, ADJ, 2.5A, 10MSOP; 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:2.5A; Output Voltage Min:800mV; RoHS Compliant: Yes | Newark Electronics
  • PMIC; DC/DC converter; Uin: 3.5÷42V; Uout: -0.6÷47V; MSOP10; buck | Transfer Multisort Elektronik
  • 3.5V to 42V Input, 2.5A Step-Down Converter with Eco-Mode | Texas Instruments
  • DC/DC Converter [Texas Instruments] TPS54240DGQ DC/DC Converter | Distrelec

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