TPS54260QDGQRQ1

• Qualified for Automotive Applications

• AEC Q100 Qualified with the Following Results:

  – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range

  – Device HBM ESD Classification Level H2

  – Device CDM ESD Classification Level C5

• 3.5 V to 60 V Input Voltage Range

• 200-mΩ High-Side MOSFET

• High Efficiency at Light Loads with a Pulse Skipping Eco-mode™ • 138μA 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

• 0.8-V Internal Voltage Reference

• MSOP10 Package With PowerPAD™ • Supported by SwitcherPro™ Software Tool

• For SWIFT™ Documentation, See the TI Website at http://www.ti.com/swift

APPLICATIONS

• 12-V and 24-V Industrial and Commercial Low Power Systems

• GSM, GPRS Modules in Fleet Management, EMeters, and Security Systems

DESCRIPTION


The TPS54260-Q1 device is a 60 V,2.5 A. step down requlator 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. requlated output supply current to 138 uA. Using the enable pin, shutdown supply current is reduced to 1.3 μA， when the enable pin is low.
Under yoltage 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/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.
The TPS54260-Q1 is available in 10-pin thermally enhanced MSOP Power Pad" package.

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