TPS54354-EP

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The TPS5435x is a medium output current synchronous buck PWM converter with integrated high-side MOSFETs and an optional low-side gate to drive external MOSFETs. Features include a high-performance voltage error amplifier capable of maximum efficiency under transient conditions. The TPS5435x has an undervoltage latching circuit that prevents start-up until the input voltage reaches a predetermined value; Internal slow-start circuitry to limit inrush current, and a power good output indicates valid output conditions. The synchronization function is not configured as input or output to facilitate 180° out-of-phase synchronization.

The TPS5435x device is available in a thermally enhanced 16-pin TSSOP (Public Service) PowerPAD™ package.

• 100 mOhm, 4.5 - A high efficiency MOSFET peaks at 3 continuous output switching currents
• Use an external MOSFET or diode Lowside
• Fixed output version - 1.2V/1.5V/1.8V/2.5V/3.3V/5.0V
• Internally compensates for low component count
• Synchronize to an external clock
• 180 ° out-of-phase synchronization
• Wide PWM frequency - fixed 250 kHz, 500 kHz or adjustable to 700 kHz 250 kHz
• Internal slow start
• The load is protected by peak current limit and thermal shutdown
• Adjustable undervoltage lockout
• The 16-pin TSSOP is available in a PowerPAD™ package
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  • Industrial and commercial low-energy systems
  • LCD monitor and television
  • Computer peripheral products
  • High-performance DSP, FPGAs, ASICs and microprocessor regulations for point-of-load